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MAINTENANCE SCHEDULE FOR THE
L410 UVP-E20 AEROPLANE WITHOUT OVERHAUL Chapter 9.7. is approved by the Civil Aviation Inspection of the Czech Republic in Prague
\37h
August 1995
LET KUNOVICE
686 04 Kunovice Czech Republic
We cannot correct an error unless we know of its existence, therefore, it is essential that you do your part. Comments, corrections regarding this manual are welcomed and should be sent to: Documentation Department LET, a.s. 686 04 Kunovice Czech Republic EUROPE or fax us to: Documentation Department +4ZO 632 61 352 or send us e-mail to: [email protected]
I
@
1998 LET, a.s.. 686 04 Kunovice, Czech Republic
All rights reserved. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose without the express written.permission of LET, a.s.. . ,
I
LET L 410 UVP-E20 -1NTENANCE SCHEDULE RECORD OF TEMPORARY REVISIONS
Temp. Section No rev. Page No No
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Accomp.document No and d a t e
Signature Date
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LET L 410 UVP-E20
MAINTENANCE
SCHEDULE
RECORD OF TEMPORARY REVISIONS
Section No Page No
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Accomp.document No and date
Signi
Date
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LETECKE ZAVODY a . s . L 410 UVP-E20 MAINTENANCE S C H E D U L E
RECORD OF REVISIONS
Date of I s s u e of N e w Pages
Number o f R e v i s e d Pages
l a t e of CAA Entry aPPsnd Si- roved gnature May 28/98
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LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE SCHEDULE
RECORD OF REVISIONS
Rev. No. 5.
Date of Issue of New Pages Jan 12/02
Number of Revised Pages
Date of 3AA Entry 3PPand Si- roved gnature Feb 4/02
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LETECKE ZAVODY a . s . L 410 UVP-E20 MJXINTENANCE SCHEDULE
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MAINTENANCE
SCHEDULE
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MAINTENANCE
SCHEDULE
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LET L 410 UVP-E20 MAINTENANCE S C H E D U L E
CONTENTS Page 1-1
1. INTRODUCTION ,SAFETY PRECAUTIONS ................. 2. AIRWORTHINESS LIMITATION SECTION - TIME LIMITS/MAINTENANCE CHECKS 3. ROUTINE MAINTENANCE 4. PERIODIC MAINTENANCE ............................. 5. INSPECTION OF AEROPLANE 6. SEASONAL MAINTENANCE 7. UNSCHEDULED MAINTENANCE .......................... 8. STORAGE OF AEROPLANE 9. SUPPLEMENTS 9.1. Lubrication plan 9.2. List of overhaul works after which it is necessary to carry out weighing of aircraft, levelling of aircraft and service test flight 9.3. Survey of operation and lubrication materials
........................ ..............................
.......................... .............................
............................. ...................................... ...........................
9.5. List of sealed items ........................ 9.6. List of adjustable items whose adjustment during service is prohibited ................ 9.7. Operation of instruments and' major components 9.9. Statistics and elaboration of operation defects influencing the operational safety 9.10.Special airframe inspections ................. 9.11.Repair of common defects without the
1
manufacturer's consent ...................... 9.12.Replacement of details ...................... 10. APPENDIXES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aug 31/98
9.9-1 9.10-1 9.11-1 9.12-1 10-1
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MAINTENANCE
SCHEDULE
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Aug 3 1 / 9 5
LET L 410 UVP-E20 MAINTENANCE S C H E D U L E
1 I N T R O D U C T I O N , S A F E T Y P R E C A U T I O N S
Aug 31/95
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MAINTENANCE
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LET L 410 UVP-E20 MAINTENANCE SCHEDULE 1.1. Introduction 1.1.1. General 1.1.1.1.
The Maintenance Schedule (MS) determines the volume and periodicity of executing the maintenance on the L 410UVP-E20 aeroplane its systems and completing products.
1.1.1.2.
The Maintenance Schedule determines the following types of maintenance - routine maintenance (see section 3) - periodic maintenance (see section 4) - inspection of airplane (see section 5) - seasonal maintenance (see section 6) - unscheduled inspections (see section 7) - maintenance during storage (see section 8)
1.1.2. General maintenance instructions
Upon finishing the adjustment of individual major components and/or systems, opening of internal compartments, dismantling of assemblies, aggregates and major components and parts of the aircraft and engine control system as well as other systems because of their repair or exchange, it is necessary to make sure that they are fully capable to operate at maximum values of their parameters. Further it is necessary to ensure that the position of the controlled element corresponds with the position of the controlling element and with the technical specifications. The check of the function of the flight controls must be done from both pilot's seats. 1.1.2.2.
In every case of the routine repair of parts removed from the aircraft, of the replacement of faulty component, repair of electrical wiring in the aircraft or its equipment attachment and avionics, the following should be done :
Aug 31/95
Page
1-3
LET L 410 UVP-E20
MAINTENANCE
SCHEDULE
a) a test shop check of the repaired component (check of main technical parametres) b) an onboard test of functional ability: - of the repaired component fitted in place - of the whole system with repaired component fitted or the system whose wiring of equipment fixture has been repaired - of the systems interconnected with the system containing the repaired component or the systems with repairs to themselves. 1.1.2.3. When doing any type of technical servicing it is necessary to remove every defect and failure which developed during the flight or that was found during maintenance. In cases where the removal of defect(s) would demand too much work or special tools, jigs etc., it is necessary to subject the decision whether the aircraft may fly to the Minimum equipment list.
1.1.2.4. The scheduled
maintenance work of all types must be done using the prescribed ground equipment, mechanical means, marked tools and check and measuring instruments.
1.1.2.5. All work listed in this Maintenance Schedule, as well as all supplementary work on aircraft must be done in accordance with the work procedure charts of the Maintenance Manual for the L 410 UVP-E20 aeroplane. 1.1.2.6. Maintenance must be done by engineering personnel trained for the individual specializations, properly acquainted with aircraft design, operational regulations, safety regulations, this Maintenance Schedule for the L 410 UVP-E20 aeroplane and the work procedure charts for maintenance. Page 1-4
Aug 31/95
LETECKE ZAVODY a.s. L 410 UVP-E2O MAINTENANCE S C H E D U L E The personnel is thus allowed to service (maintain) the L 410 UVP-E20 aircraft according to the valid regulations and is fully responsible for the completeness and quality of all maintenance work. 1.1.2.7. All types of maintenance and work done on the aircraft must be recorded in the technical documentation in accordance with the valid regulations for the civil aviation. 1.1.2.8. The scheduled work on the airframe, engines, propellers and instruments is related to the number of flight hours, number of landings or operation time (monthslyears). The number of flight hours (operation time) is the period recorded from the beginning of the take off to the stop aircraft on runway after landing including all reverse regimes. 1.1.2.9. Keeping record of flights with full wing-tip tanks.When a take-off with full wing-tip tanks took place a record book,chapter V1,Aircraft into the aircraft log operational records,into the Remarks column,must be entered,reading : "WTT + ' I . 1.1.3. Numberinq
scheme of the Maintenance Cross-reference to Other Publications
Schedule
and
The items of the Maintenance Schedule are numbered identically with the numbering of the Maintenance Manual of the aircraft, engine or propeller. The reference numbers of the Maintenance Schedule items comprise an additional letter, differentiating the operations on the object of maintenance. For each reference number in the Maintenance Schedule there is a work procedure chart of the same number in the Maintenance Manual of the aircraft; this gives a quick access to the necessary maintenance information.
Jan 12/02
Page
1-5
LETECKE ZAVODY a.s. L 410 UVP-E20 PJlAINTENANCE
SCHEDULE
1.1.3.2. List of Documents Related with this maintenance Schedule
Abbreviation used in the text: a) Maintenance Manual (MM) of the L 410 UVP-E20 aeroplane
Aircraft MM
b) Maintenance Manual of the
M 601 E or M 601 E-21 engine c) Maintenance Manual of the V-510 propeller
Engine MM
Propeller MM
d) Flight Manual for the L 410 WP-E20 aeroplane e) List of Manufacturing, operating and Repairing tolerances of the L 410 UVP-E20 aeroplane f) Structural Repair Manual of the L 410 aeroplane g) Illustrated parts catalogue for L 410 WP-E20 aeroplane h) Check Flight Methodics for the L 410 WP-E20 aeroplane
Page
1-6
Jan 12/02
LETECKE ZAVODY a.s. L 410 UVP-E20
MAINTENANCE
SCHEDULE
1.1.4. Revision All revision in this Schedule are accomplished by the sheet replacement. New sheets are sent to the holders (users) by means of a Mandatory Bulletin. New sheets are marked in the lower left corner with the date of revision and the revised portion of the text is marked by a vertical line on the left-hand side. When an unchanged text is shifted to the next page this is not indicated. If there is no amendment on the next sheet (except for the shifting of text) the sheet is marked with a next date and a letter "R". Each revision is accompanied with a next llRecord of revision^^^ (page 0-3). The holder ensures that date and signature of person who entered the revision into given volume is filled in. In some cases a so-called "Record of Temporary revisions11is introduced, usually as an supplement to bulletin, introducing the modification of aircraft, or for quicker informing of the operator about a revision being prepared. Record of Temporary revisions a temporary validity. Upon issuing a new, revised sheet is the "Record of Temporary revisions11cancelled together with the original sheet. The filing of listed in and cancelled "Record of Temporary revision^^^ is made by the holder of the Maintenance Schedule in the I1Record of Temporary revision^^^ (page 0-1). 1.1.5. Abbreviations MM
-
Maintenance
Manual
-
this
abbre'viation is
uniform for all products despite differences of wording in actual titles of their service publications - see part. 1.1.3.2.
Jan 12/02 R
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1-7
LETECKE ZAVODY a.s. L 410 UVP-E20 M A I N T E N A N C E SCHEDULE
w/p
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Work Procedure
LH
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RH
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Right-Hand (Starboard)
Rud
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Rudder
Elev
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Elevator
MS
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Maintenance Schedule
IELU
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Integrated Electronic Limiter Unit
L/G
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Landing Gear
n
4
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gas generator speed
P
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propeller speed
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indicated airspeed
n V
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Jan 12/02 R
LETECKE ZAVODY a.s. L 410 W P - E 2 0 MAINTENANCE S C H E D U L E
1.2. Safety precautions 1.2.1. Generally 1.2.1.1.
Before doing checks and any work every safety precaution must be carried out that prevents man-caused discharge of static electricity, wilful switching-on of electric devices, fire on board and human injury.
1.2.1.2.
Ground electric power sources may be connected to the aircraft on board electric system only with consent of a specialist in charge of technical maintenance of given aircraft. When connecting aircraft to the power supply, during inspection and work it is mandatory to mark it visibly with sign "AIRCRAFT ELECTRICITY ALIVEff.
1.2.1.3.
During the refuelling must be all electric devices not needed for the refuelling switched off and all assembly and work stopped.
1.2.1.4.
It is not permitted to disconnect cables and wiring, remove covers from blocks change fuses and lamps on a live equipment.
1.2.1.5. Before
starting the engines make sure there are fire extinguishers at hand, that wheels are chocked and that there are no loose foreign objects in the vicinity of aircraft.
Jan 12/02 R
Page
1-9
LETECKE ZAVODY a - s . L 410 UVP-E20 MAINTENANCE SCHEDULE
1.2.1.6.
For
the
actual
danger
areas
around
the a i r c r a f t with
e n g i n e s r u n n i n g see f o l l o w i n g d r a w i n g : a ) with engines
b ) with engines
a t i d l e power
a t max. T/O power
When i n s p e c t i n g t h e
1.2.1.7.
powerplants a f t e r t h e i r shutting-down
it is n e c e s s a r y t o pay a t t e n t i o n t o h o t p a r t s of e n g i n e ( s ) i n o r d e r t o p r e v e n t b u r n s c a u s e d by c o n t a c t w i t h
them. P o r t a b l e e l e c t r i c lamps, u s e d d u r i n g t h e inspection of &h_e
1.2.1.8. . -
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when s w i t c h e d
protective
on; c o n n e c t i o n
c a b l e must have a r u b b e r o u t e r i n s u l a t i o n . 1.2.1.9.
Page 1-10
A i r c r a f t max b e s e r v i c e d t o wind s p e e d of 1 5 m / s .
Jan 12/02 R
LET L 410 W P - E 2 0 MAINTENANCE SCHEDULE
Safety principles for work on elevated surfaces
1.2.2. 1.2.2.1.
In order to prevent accidental slipping when working on the wing, it is necessary to use footwear with soft-rubber soles.
1.2.2.3.
Work on elevated surfaces should harness (bel) with rope.
1.2.2.4.
When wind blows more than 15 m/s, it is not permitted to work on high ladders (higher than 1 m).
be done wearing
safety
Safety principles for work on jacked-up aircraft 1.2.3.1. -
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When jacking the aircraft up it is necessary to observe the instructions given in Chapter 007 of the ~aintenance Manual-of aircraft;
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When the aircraft is lifted-up forbidden to start engines.
1.2.3.3.
During lifting (lowering) of the aircraft no persons are allowed under the aircraft, in the cockpit, passenger's cabin or on the surface of the aircraft.
1.2.3.4.
During the landing gear retraction test, when the aircraft
1.2.3.5.
The aircraft may exceed 5 m/s.
be lifted if the wind
the
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jacks, it is
velocity does not
1.2.3.6. Asymmetric lifting of the
aircraft and asymmetric loading of wing on jacked-up aircraft is not permitted.
Aug 31/95
Page 1-11
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Safety principles for work with electric equipment 1.2.4.1. When working on the aircraft it is forbidden to: - leave the loose ends of wiring uninsulated, - leave open the panels of distribution devices and covers of connector boxes and devices which are under current. 1.2.5. Protection from Very Hiqh Frequencies 1.2.5.1. When checking equipment radiating very high frequencies it is forbidden to get into the radiating field and make refuelling the (also in the nearness of the airplane). Safety principles for work with the B-3V synthetic oil 1.2.6.1. The B-3V oil is a toxic observe following rules:
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substance. When handling it
It is forbidden to eat, drink and smoke when handling the B-3V oil. It is strictly prohibited to syphon oil from one vessel to another by sucking it first into a hose with one's mouth. All handling of oil must be done wearing special garment (protective overalls) and protective devices.
- Special working garment for handling the oil and the protective devices should be stored in a reserved, set aside locker (separated from normal personal apparel and clothing). If the special overalls or protective devices were stained by the B-3V oil, it is necessary to replace the overalls and thoroughly wash the protective devices with warm water and soap.
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Aug 31/95
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
-
Handling the oil system is permitted only after the pressure to the level of atmospheric pressure and oil temperature drops below +60°c. When pouring the hot oil the worker must be standing on the windward.
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Persons handling the B-3V oil are to be sent for regular medical examination once a year. The initial medical examination must b e d o n e i-mftediately after the worker has been appointed to handle the B-3V oil. -
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If the skin of the aircraft has been stained with the B-3V oil, it is to be wiped clean with a piece of cloth soaked in white spirit (petrol). The cloth must be replaced after use.
1.2.7. Safety principles for work with oxyqen system equipment 1.2.7.1. To handle the oxygen system are allowed the persons who passed the c o u r s e -and have practica-lhands-on experience with handling the oxygen apparatus.
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1.2.7.2. oil, grease, dirt and carbon black (soot) must not come in contact with parts of the oxygen equipment. 1.2.7.3. Ensure that pressure bottles and other parts of equipment are not subject to hard knocks and other damage. 1.2.7.4. Do not exceed permitted pressures when filling the system;
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ensure that firefighting beginning -of _the-fillin-g, -
equipment -
is
ready
before
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1.2.7.5. For handling the oxygen equipment use the chrome (or nickel) plated tools. It is forbidden to use tools with damaged plating.
Aug 31/95
Page 1-13
LET L 410 UVP-E20
MAINTENANCE
1.2.8.
Safety
1.2.8.1.
SCHEDULE
principles for use of flammable liquids
When cleaning the aircraft with petrol and when doing work where flammable liquids must be used (cementing of the rubber parts or cleaning), it is necessary to strictly observe following precautions: -
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The aircraft must -be-grounded electrically. It is prohibited to smoke or to handle open fire within 10 metres from the aircraft. Ensure that firefighting equipment is at hand. If the handling of flammable liquids takes place in a hangar, sufficient ventilation must be ensured, the aircraft must stand on its wheels and there must not be any obstacle or foreign objects at the hangar doors, that would pprevent a rapid pushing of the aircraft out of the hangar should such a necessity occur. On-board batteries and ground power source must be disconnected..
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No other work on the aircraft may be done. Electric vacuum-cleaners, electric drills etc. must not be used simultaneously with cleaning. Portable lamps used must be of the explosion-proof type. Workers handling flammable liquids must wear antistatic footwear and they must not wear overalls made of synthetic fibres (danger of static electricity's dischaarge). No brushes and clothes made of synthetic fibres may be used for cleaning. The supply o f flamgab_leliquid f-orcleaning m u s t not exceed 1 litre. If greater amount of the liquid is needed, then it must be stored in closed metal vessels, placed at lkast 10 metres from the aircraft. - -
-
-
-
-
-
-
Aug 31/95
-
-
-
-
-
-
-
LET L 410 UVP-E2O MAINTENANCE SCHEDULE
2 AIRWORTHINESS -
-
-
-
-
-
-
-
-
-
-
-
SEf the nose landing gear and >n the cylinder of the nose landing gear. Inspect all ~y-passeswithin the space of the nose landing gear. Inspect the locking of the bolt of the front landing gear leg. Inspect the smooth surface of the piston rod of the nose landing gear leg. Inspect the dusters on the slide valve of the servo drive and the piston rod of the damper of the nose landing gear.
After 300 landings at least.
Examine the blindings (of metal and fabric) of the nose landing gear leg. Examine the damper and servo-drive of the nose landing gear leg. Check the pressure and springing value of the damper of the nose landing gear leg.
May 15/98
.
Page 4-43
LET L 410 WP-E2O MAINTENANCE S C H E D U L E Reference No.
Name of Part/Unit Scheduled Maintenance Check
Check the clearance of the seat of the nose landing gear. Check the reverse motion of the wheel of the nose landing gear to the neutral position. (To be done after the previous check according to item 032.20.00.L)
Frequency
+1
After 1800
at least.
Check the clearance in the mechanical lock of the nose landing gear.
After 300 landings at least.
Remove the controller of the OP ( 8 ) landing gear and check the correctness of fixing of the lever extension, whether the nut fixing the switch to the body is not loosened, the correct operation of the trip. Inspect the controller of the landing gear and its surface finish. After inspection mount the controller again on the aircraft .
After 1800
landings at least.
Check the pressure in the wheels of the nose and the landing gear. Check the wheel disks. Inspect the wheels and check the connecting bolts of wheels of the nose and the landing gear. Inspect the tyres.
Page
4-44
Jul 15/99
LET L 410 UVP-E20 IXAINTENANCE S C H E D U L E
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Examine the toothed drive of the inert transmitter and its cables. Check the operation of brakes (according to the pressure gauge of brakes). Inspect the main wheels and brakes : - wheel disks completeness - wheel bearings - packing rings - brakes completenes Replace grease in bearings. Check the working clearance of brakes.
At least after 12 months. (Grease in the bearings to be replaced after 300 landings at least) This work must be carried out also with any exchange of the tyre
.
.
Remove the main wheels with brakes (for inspection). After inspection mount again on the airplane.
May 15/98
After 24 months or 1 800 landings at least.
Page 4-45
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Inspect the main wheels and rakes : - wheel disks complete. 3eplace the packing rings.
Examine the wheel of the nose gear : - wheel disk completeness - wheel bearings - packing rings. 3eplace grease in the ~earings
.
Frequency Note
After 24 months or 1800
landings at least.
After 12 months at least. (Replace grease in bearings after 300 landings at least). Carry out this work also with every replacing of tyre . -
3emove the wheel of the nose landing gear for inspecting. hfter checking and testing nount the wheel on the 3ircraft.
-
After 24 months or 1800
Inspect landing - wheel 3eplace
the wheel of the nose gear: disks completeness the packing rings.
landings at least.
Chapter 1
Page 4-46
Jan 12/02
LET L 410 UVP-E20 M A I N T E N A N C E SCHEDULE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
After 6 months at least.
Check the pressure of the technical nitrogen in the hydraulic accumulator of the LUN 6900-8 brakes.
Remove the LUN 1446.02-8 double pressure gauge from the aircraft and hand it over to the test room. After testing mount it again in the aircraft .
After 12 months at least.
Check the permissible inaccuracies of the double pressure gauge at the test room.
Remove the MA-100 pressure gauge for testing at the test room. After testing mount it again in the aircraft. Check the basic inaccuracies on the MA-100 pressure gauge at the test room. Inspect the pressure gauge. Check the function of the inertial transmitters UA 27A-13 and UA 27A-14.
Chapter May 15/98
+
I
After 1 800 landings at least.
After 300 landings at least.
/a32/ Page 4-47
LET L 410 UVP-E20
MAINTENANCE Reference No.
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Check the signalling of switching-on the steering of the nose wheel (pedal and manual). Preserve the inner space of the spring pull-rod of the motion control on ground. Check the correct adjustment of the limit switch of the neutral position of foot control pedals and front wheel control.
After 2 400 landings at least.
Check the operation of the nose wheel control (pedal and manual ) . Remove the BD (8) diode box from the aircraft and hand it over to the test room. After testing mount it again in the aircraft.
After 900 landings at least.
Check the operation of the BD (8) diode box at the test room. Inspect the diode box. Remove the ZO-lS(8) delay circuit from the aircraft and handit over to the test room. After checking reinstall in the aircraft. Check on the ZO-lS(8) delay circuit for delay time. Inspect the delay circuit.
Chapter Page 4-48
Fl May 15/98 R
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
LIGHTS Check the function of the pilot's cabin lighting. Remove the LUN 2412 instrument lighting power supply test and the LUN 2412.01 lighting control panel and hand them over to the test room. After testing mount them again on the aircraft. Check the exit voltage of the LUN 2412 power supply test the LUN 2412.01 lighting control panel at the test room. Inspect the source and control panel. Check the function of the passenger cabin lighting. Check the front and rear baggage compartment lighting. Check the operation of the lighting of the static indicator of ice-acreation.
t' Check the operation of the lighting of tail areas. Check wing leading edge lighting for proper function. Check
the searchlights.
Chapter Aug 31/95
Only in case when mounted or the aircraft.
10331 Page 4-49
LET L 410 UVP-E20 M A I N T E N A N C E SCHEDULE Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Check the oparation of the emergency lighting (inner and outer)
.
Examine fixing of storage batteries. Measure the voltage.
Chapter Page 4-50
/ / 03 3
Aug 31/95
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE SCHEDULE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
NAVIGATION Check the operation and tightness of the system of the static and total pressure for instruments.
After 24 months at least.
Blow the system of the static and total pressure when disconnecting the instruments of the total and static pressure.
After connecting the instrument check the tightness of the system (as per 034. ll.OO.A).
Inspect the LUN 7750.01-8 of the system of the static and total pressure.
Remove the LUN 1113.x~-8 air-speed recorder from the aircraft and hand it over to the test room. After inspection mount it again in the aircraft.
Chapter Jan 12/02
The final figures xx concers only the execution of the scale.
10341 Page 4-51
LET L 410 UVP-E20 M A I N T E N A N C E SCHEDULE Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency
Check the permisseble inaccuracies on the LUN 1113.x~-8air-speed recorder at the test room. Inspect it. Remove the LUN 1140.x~-8 variometer from the aircraft and hand it over to the test room. After testing mount it again in the aircraft. >
Checkt the following on the variometer at the test room: - permissible inaccuracies - airtightness of the static system. Inspect the variometer.
Remove the LUN 1108.x~-8 air-speed recorder from the aircraft and hand it over to the test room. After testing mount it again in the aircraft
.
Zheck the following on the 3ir speed recorder at the test room: - permissible inaccuracies - switching of signalling - permissible inaccuracies of the scale values. Inspect the air-speed recorier
The final figures xx concerns only the execution of the scale.
The final figures xx concerns only the execution of the scale.
.
Chapter Page 4-52
10341 May 15/98
LETECKE ZAVODY a.s. L 410 UVP-E20 M A I N T E N A N C E SCHEDULE --
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Remove the LUN 1173.x~-8 air-speed signaller from the ~~ircraft and hand it over to the test room. After testing mount it again the aircraft. Check the permissible inaccuracies of switching on the speed signalling device at the test room. Inspect the device.
Frequency Note
After 12 months at least. The final figures xx concerns only the execution of the scale.
Remove the LUN 1205.31-8 artificial horizon and hand it over to the test room. After testing mount it again in the aircraft. Check on the LUN 1205.31-8 artificial horizon at the test room: - starting time - value of the steady current - inaccuracies of the scale data - operation of break-down signalling - operation of angle transmitters - signalling of limit banking angle - indication of slip - precession speed Inspect the artificial horizon.
Chapter Jan 12/02
Only when mounted in the . aircraft.
10341 Page 4-53
LET L 410 WP-E20 I?rZAINTENANCE
SCHEDULE -
Reference No.
-
- -
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Check on the AGR-74-5 horizon 2nd series for: - operation of horizon inoperative signallization - operation of hand symbol setting Inspect the face of the horizon.
Remove the AGR-74-5 artificial horizon 2nd series from the aircraft and hand it over to the test room. After testing mount it again in the aircraft.
034.22.02.C Check on the AGR-74-5 /MM-AGR-74 artificial horizon at the test room the following: techno1 . - starting time process 034.22.00. - necessary current - operation of the push button *a)/ - operation of the stabilizer of the failure of the artificial horizon - transmitter signal - difference of voltage divider signal and transmitter - rate of bank and longitudial incline - inaccuracy of data on the tilting table. Inspect the artificial horizon.
Chapter I
Page 4-54
Only in case when mounted in the aircraft.
FI Aug 31/95
LET L 410 UVP-E2O MAINTENANCE S C H E D U L E Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Remove the LUN 1215.x~turn indicator and hand it over to the test room. After testing mount it again it the aircraft. Check on the turn indicator at the test room: - permissible inaccuracies - outlet voltage - operation of the correction switch Inspect the turn indicator.
Check the operation of the LUN 1221.01-8 liquid-type compass. Compensate the LUN 1221.01-8 liquid-type compass.
After 12 nonths at Least Further in zase of its nounting 3fter reporting 2f faulty iata by the ;crew when finding iefects luring ~verhaul
.
Chapter Aug 31/95
1 1 034
Page 4-55
LETECK~ZAVODY a.s. L 410 WP-E20 J?XAINTENANCE
Reference No.
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency
4
Note
Check the fixing of the antenna with the receiver for finding-out thunder storm fronts (e.g. RDS-81) and its state. Inspect inside the laminated cover of the antenna. Only in case when mounted in the aircraft.
Measure the value of the contact resistance between the antenna with the receiver for finding-out thunder storm fronts and the frame of the aircraft. Inspect the BENDIX/KING antennas. Measure the contact resistance between the antenna and the flange.
Check ATC transponder.
-
Check navigation system VOR/ILS/MKR.
-
1
After 24 months least.
1
Inspect the antenna of the LUN 3593.30-7 receiver for the glide path radio beacons. Measure the contact resistance between the antenna and the flange. Check the LUN 3596-7 navigation antenna.Measure the contact resistance between the antenna and the flange.
Chapter Page 4-56
FI
L Jan 12/02
LET L 4 1 0 WP-E2O IYLAINTENANCE S C H E D U L E
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
3nly in case when installed in the aircraft.
OXYGEN
Check the portable oxygen apparatus for the absence of impurities and for their proper fastening.
Inspect the oxygen masks and check its operation.
Chapter Aug 31/95
/ 1 035
Page 4-57
LET L 410 UVP-E20 MAINTENANCE SCHEDULE Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Intentionally left blank.
Page 4-58
Aug 31/95
LET L 410 W P - E 2 0 MAINTENANCE SCHEDULE -
Reference No.
ppppp
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
WATER WASTE
Chapter Aug 31/95
j0381 Page
4-59
LET
L 410 UVP-E20 MAINTENANCE SCHEDULE Name of Part/Unit Scheduled Maintenance Check
Reference No.
-
-
-
-
-
-
-
-
-
-
-
Frequency Note
-
Intentionally left blank.
Page 4-60
A u g 31/95
LET L 410 WP-E2O
SCHEDULE
MAINTENANCE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
STANDART PRACTISES AND STRUCTURES-GENERAL Inspect the skin aircraft . Inspect the paint aircraft.
of the
of the
Inspect the legibility of inscriptions and operation symbols of the aircraft.
After 24 months 2t least. After 24 months 3t leas$.
Check the tightening of screws of removable covers being a part of the bearing skin. Inspect the draining openings of the airframe.
Chapter Aug 31/95
PI Page 4-61
LET L 410 W P - E 2 O JXAINTENANCE SCHEDULE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Intentionally left blank.
Chapter Page 4-62
F] Aug 31/95
LET L 410 UVP-E2O MAINTENANCE S C H E D U L E -
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
'heck the main and emergency loor and their suspensions. 'heck the reliability of locks. Grease the lock of the loor. X e c k the door of the front Daggage room, the lock and strut. Grease the lock. 2heck the operation of signalling the closed door, loor of emergency exit, door 2f the rear baggage room and the locks of the front baggage room.
Zheck the guards of the main landing gear, pull rods of t h ~ guards of the landing gear. Zheck the adjustment of zlosing of the landing gear.
Chapter
Aug 31/95
F] Page 4 - 6 3
LET L 410 W P - E 2 0 PJLAINTENANCE SCHEDULE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Intentionally left blank.
Page 4-64
Frequency Note
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
FUSELAGE
Examine the rubber parts of the fuselage.
ifter 24 nonths it least.
Check the state of components made of laminated glass.
ifter 24 nonths it least.
Inspect the room behind the 21st partition whether not soiled. Check the area of the fixing of locks of the main and nose landing gear and of working cylinders.
Check the reliability of the fixing of instruments in the front part of the fuselage. Check the lower flange of the landing gear beam at the 14th partition wall on the left and right side in the area of rivet holes. Wash the inner spaces of the landing gear nacelles. Inspect the landing gear nacelles.
..............................
2+ . . . do with every second check 2. Chapter
Aug 31/95
10531 Page 4-65
LET L 4 1 0 WP-E20
M2iINTENANCE
Reference No.
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Check the floor in the pilot's cockpit.
Renew the paint of the rubber anti-ice-accreation bands on the fuselage.
kf ter 6aonths 3t least.
Check the fuselage skin at the level of propeller rotation. Check the skin area in the place of the stop for entry stairs. Examine at accessible places the suspensions (connecting points ) "wing-fuselagel', "tail areas - fuselage". Inspect the transition guards of the fuselage with the wing and tail areas.
-
Chapter Page 4-66
Fl A u g 31/95
LET L 410 W P - E 2 0 MAINTENANCE S C H E D U L E
Reference No.
054
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
NACELLES
054.00.00.A Inspect the air channels. 054.00.00.C Inspect the engine nacelles (frame and skin). 054.00.00.D Check the packing flags, rubber parts and leather packing elements in the dividing planes of guards. 054.00.00.E Check the setting of lever locks of engine guards.
2+...
do with every second check 2.
Chapter Aug 31/95
1 1 054
Page 4 - 6 7
LET L 410 UVP-E20 M.AINTENANCE SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Intentionally left blank.
Page 4-68
Aug 31/95
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
I
Reference NO.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
STABILIZERS Inspect the tail surface. Inspect the elevator and rudder. Inspect the edge bands on the tail surface.
4f ter 3 months 3t least.
Check whether there is no clearance in the suspensions of the elevator and rudder. Inspect the skin of the stabilizer and the integrity of spot welds.
Check the reliability of the fixing of control drums of balance tabs of the elevator and of the web. Inspect the elevator in the area of the fixing of the control lever.
Chapter Aug 31/95
Fl Page 4-69
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Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Intentionally left blank.
Page 4-70
Aug 31/95
LET L 410 UVP-E20 M A I N T E N A N C E SCHEDULE Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
WINDOWS Inspect the windscreen.
After 6 months
3t least. Inspect the windows of the passenger cabin.
Chapter
Aug 31/95
1056/ Page 4-71
LET L 410 UVP-E20 M . A I N T E N A N C E SCHEDULE
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Intentionally left blank.
Page 4 - 7 2
Aug 31/95
LET L 410 W P - E 2 0 MAINTENANCE S C H E D U L E
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Inspect the flange in the region not covered with skin. Inspect the whole surface of the wing. Examine the tapes and fabric blindings in the and moving surfaces wing shroud. Inspect the linen skin of airelons. A
B
n
S
After 12 months at least.
Inspect the skin on the lower wing surface. Inspect the suspensions of wing flaps and airelons at accessible places. Inspect the lower fixing bolts connecting the rear wing suspension with lower flange. Inspect the trailing edge of airelons and wing flaps. Inspect the interceptors and rolling tabs. Inspect the skin of wing flaps and slots.
Chapter Jul 15/99
10571 Page 4-73
LET L 410 WP-E20 MAINTENANCE S C H E D U L E
Reference No.
Name of ~art/Unit Scheduled Maintenance Check
Frequency Note
Zheck the radial and axial zlearance of bearings of moring areas and their proper securing. Zheck the surface of leading sdges of wing flaps and slots in places where a contact may x c u r between the wing flap ~ i t hthe slat and between the slat and the trailing edge of the wing. 2heck the gap between the interceptors and the trailing zdge of the wing. Inspect the rubber stops of interceptors and rolling tabs.
2+...
Page 4-74
9fter 24 nonths 3 t least.
do with every second check 2.
Aug 31/95
LET L 410 UVP-E2O MAINTENANCE SCHEDULE
1
Reference NO.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
PROPELLER Inspect the propeller the propeller speed limiter, the electrohydraulic controller, auxiliary pump, pressure switch and collector. 061.00.10.C Inspect the trasmission (Prop. MM) system of the feedback. Check the system of the compound coupling. 061.00.10.D Inspect the clearance between (Prop. MM) the slide blocks and thrust ring.
30 also
3fter the first 10 30UrS.
061.10.00.D Check the fixing of the front (Prop. MM) propeller cover. 061.10.00.F Check the securing of the (Prop. MM) propeller. 061.10.00.H Inspect the conductors. (Prop. MM)
Do also 3fter the first 10 hours.
061.10.00.1 Inspect the joints on the (Prop. MM) propeller.
Do also 3fter the first 10 hours.
061.10.00.J Inspect the propeller cover. (Prop. MM) 061.20.01.A Clean the LUN 7816 propeller (Prop. MM) speed governor.
Chapter 1061 A u g 31/95
1 Page 4-75
LET L 410 UVP-E20
MAINTENANCE
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency Note 1
3
4
Clean the LUN 7880.01-8 electro-hydraulic actuator.
- + + +
Check the operation of the LUN 7840-8 auxiliary pump.
- + + +
Remove the ZO-4s(8) retarding circuit from the aircraft and hand it over to the test room. After testing mount it again in the aircraft.
-
Check on the retarding circuit 20-4s-8 the retarding time. Inspect the retarding circuit.
Chapter Page 4-76
2
-
-
+
- - - +
bi May 15/98
LET L 410 UVP-E20
-1NTENANCE Reference No.
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
POWER PLANT Check with engines running:
-
operation of the startergenerator
- operation of the automatic switching of busbars
-
voltage of startergenerators
-
measure the voltage on the A-71-1 and the A-71-2
-
operation of hydraulic pumps
-
operation of the automatic blade feathering
061.00.10.E - operation of the propeller (Prop. MM) speed limiter 77.15.00.a (Engine MM page 505)
-
operation of the torque channel
77.55.00.a (Engine MM)
-
operation of the system of limiters IELU by means of the switch TEST
77.56.00.a - operation of the LUN 5223 (Engine MM) generator speed derivative element 2+... do with every second check 2. Chapter Aug 31/98
F] Page 4-77
LET L 410 UVP-E20
-1NTENANCE Reference No.
371.20.00.A
Name of Part/Unit Scheduled Maintenance Check
Inspect the suspensions (connection centres) of the wing with the engine mount and the engine hinges.
Chapter Page 4-78
SCHEDULE Frequency Note
lo also sith every zhange of che engine.
/071/ Aug 3 1 / 9 5
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Reference No.
Name of ~art/Unit Scheduled Maintenance Check
M
Frequency Note
601 E OR M 601 E-21 ENGINE
072.02.00.A Check visually the fixing of (Engine MM instruments of the fuel and oil installationstfixing of W/P 72.02.00.a) the startergenerator,alternator and ignition. 072.02.00.B Inspect the electric system (Engine MM of engine instruments. W/P 72.02.00.b) 072.22.00.A Inspect the air bulkhead. (Engine MM W/P
72.22.00.a) 072.23.00.A Inspect the inlet screens (Engine MM of the engine.
072.33.00.A Inspect the engine (Engine MM suspensions.
W/P
72.33.00.a)
072.90.00.A Inspect the magnetic plugs of (Engine MM the reducer,drive boxes and oil tank. W/P 79.10.00.c)
30 the inspection 3f the plug ~f the box 2nd reducer slso in zase when the signal lamp chips goes on.
072.90.00.B Replace the insert of the (Engine MM oil cleaner.
W/P
79.10.00.b) 2+....do with every second check 2. Chapter
)0721 Page 4-79
LET L 410 UVP-E2O MAINTENANCE
SCHEDULE Frequency Note
qith every l f t e r 300, 300 a n d L500 h o u r s . 4fter 12 nonths a t
( E n g i n e MM
W/P
79.50.00.a 79.50.00.c)
Least.
Chapter Page 4-80
10721 Aug 31/95
LET L 410 WP-E2O
MAINTENANCE Reference No.
SCHEDULE
N a m e of P a r t / U n i t S c h e d u l e d Maintenance Check
Frequency Note
E N G I N E FUEL AND CONTROL 073.11.00.A ( E n g i n e MM W/P
73.11.00.a)
073.22.00.A ( E n g i n e MM
I n s p e c t t h e components and piping of engine f u e l system under t h e e n g i n e c o w l i n g s and the i n l e t chanel.
I n s p e c t and wash t h e main f u e l = l e a n e r s of t h e LUN 6290.04-8 f u e l pump.
2+...
Aug 3 1 / 9 5
do w i t h e v e r y second check 2 .
Page 4-81
LET L 410 UVP-E20 MAINTENANCE SCHEDULE Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Intentionally left blank.
Chapter Page 4 - 8 2
/073/ A u g 31/95
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Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
IGNITION 374.10.00.A (Engine MM
;J/P
Check the ignition system on the aircraft by means of the testing device.
30.21.00. page 501)
374.10.00.B (Engine MM
Replace the low-voltage spark plugs.
;J/P 30.22.00 page 401)
2+...
do with every second check 2.
Chapter 1074 Aug 31/98
1 Page 4-83
LET L 410 UVP-E2O M-AINTENANCE
Reference No.
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
Intentionally left blank.
Chapter 1 0 7 4 Page 4-84
/ Aug 3 1 / 9 5
LET L 410 WP-E20 MA.INTENANCE S C H E D U L E
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
ENGINE CONTROLS Check the operation of control levers of engines - Dower control - propeller -control - closing of fuel valves on engine (closing valves of fuel ) - closing of the main fuel inlet (fire valves).
Check the necessary force at the lever and controlling the fuel closing valves. Check the tension of the engine control cables in the vertical channel behind the cockpit. -
-
-
-
-
-
-
-
-
Check the force at the power lever on the front control panel. Check the adjustment of kinematics motion of the engine controls.
Carry out also with any exchange of the engine.
.............................. 2+...do with the first check : and then with every second check 2.
Chapter
J u l 15/99
(0761 Page 4-85
LET L 410 WP-E2O MAINTENANCE SCHEDULE Reference No.
Name of Part/Unit Scheduled Maintenance Check
076.10.00.A Check the clearance V 3 . (Engine MM W/P 76.10.00.b) 076.10.00.B Check the motion of the (Engine MM- "Bc If 1 ever. -
-
-
-
-
-
W/P
76.10.00.c) 076.10.00.C Check and adjust the length of (Engine MM the push-pull rod.
W/P
76.10.00.e)
076.10.00.D Check the operation of the (Engine MM engine controls. Lubricate the spherical bearings and the W/P 76.10.00.g) feathering pick-up lever.
E Wash dnd lubricate the automa076.10 .-00-. (Engine MM tic feathering switch lever. W/P 76.10.00.h) 076.10.00.F (Engine MM W/P 76.10.00.a)
Inspect the levers and pull rods of the engine control. Check the limit positions of the control levers of the engine.
076.10.00.G Check the end positions of the (Engine MM control lever of the fuel closing cock. W/P 76.10.00.d) -
-
-
-
-
2+....do with every second check 2.
Chapter Page 4-86
10761
Frequency Note
LET L 410 UVP-E20 MAINTENANCE SCHEDULE Reference No.
Name of Part/Unit Scheduled Maintenance Check
O76.lO.00 .E Check the operation of the (Engine MM limiter system under the operation of engines. W/P 77.55.00.b)
Frequency Note
To be done if the a-c uas out of pera at ion 3t min. 10 days.
Remove the LUN 5260.04 or LUN 5260.05 integrated electronic limiter unit from the aircraft and hand it over to the test room. After testing mount it again in the aircraft . Check on the LUN 5260.04 or the LUN 5260.05 the number of actions and amplifications of limiters, power consumption. Inspect the IELU. Remove the LUN 5223 generator speed derivative element from the aircraft and hand it over to test room for testing. After testing mount it again in the aircraft. Check on the LUN 5223 generator speed derivative element at the test room: - output voltage - operation. Inspect the generator speed Aerivative element.
Chapter May 15/98
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LETECKE ZAVODY a.s. L 410 UVP-E20 M-AINTENANCE SCHEDULE -
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Reference No.
Name of Part/Unit Scheduled Maintenance Check
376.15.00.A (Engine MM Y/P 77.15.00.a)
Remove the LUN 1476-8 torque limiter pressure switch and hand it over to the test room for testing. After testing mount it again in the aircraft.
Frequency Note
076.15.00.B Check on the LUN 1476-8 (Engine MM torque limiter pressure switch at the test room: W/P 76.30.00.a) - basic data - insulation resistance. Inspect the torque limiter pressure switch. Check the adjustment of the LUN 7370-8 fuel valve control. 076.52.00.A (Engine MM W/P 77.52.00.a)
Remove the switch of the LUN 3280-8 automatic feathering pressure switch and hand it over to the test room for testing. After testing mount it again in the aircraft.
076.52.00.B Check on the LUN 3280-8 (Engine MM automatic feathering pressure switch at the test room: W/P 76.30.00.a) - basic inaccuracies - insulation resistance. Inspect the switch.
Chapter Page 4-88
10761 Jan 12/02
LET L 410 UVP-E2O MAINTENANCE S C H E D U L E
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
ENGINE INDICATING Remove the LUN 1347.xx generator speed indicator from the aircraft and hand it over to the test room. After testing mount it again in the aircraft. Check on the LUN 1347.x~ generator speed indicator the basic inaccuracies at the test room. Inspect the speed indicator. Remove the LUN 1348.x~ propeller speed indicator from aircraft and hand it over to the test room. After testing mount it again in the aircraft .
? h a 1 fijures zoncern only the zxecution 2f the ;cale.
Check on the LUN 1348.x~ propeller speed indicator the basic inaccuracies at the test room. Inspect the speed indicator. Remove the LUN 1540.02-8 torque transmitter set and the LUN 1539.02-8 torque indicator and hand them over to the test room. After testing mount them again in the aircraft.
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LET L 410 UVP-E20 L\?LAINTENANCE SCHEDULE
Reference No. -
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Name of Part/Unit Scheduled Maintenance Check
Frequency Note
--
077.11.00.B Check on the LUN 1540.02-8 (Engine MM torque transmitter set and on the LUN 1539.04-8 torque indiW/P 77.11.00.a) cator set at the test room: - basic inaccuracies - insulating resistance Inspect the transmitter and the indicator. Remove the LUN 1370.02-8 inter turbine temperature indicator from the aircraft and hand it over to the test room. After testing mount it again in the aircraft
.
Check on the LUN 1370.02-8 inter turbine temperature indicator the basic inaccuracies at the test room. Inspect the thermometer. 077.22.02.A Remove the LUN 1358-8 oil (Engine MM temperature transmitter from the aircraft and hand it over W/P 77.22.00.b) to the test room. After testing mount it again in the aircraft
.
077.22.02.B (Engine MM W/P 77.22.00.a)
Page 4-90
Check on the LUN 1358-8 oil temperature transmitter at the test room: - basic inaccuracies - insulating resistance. Inspect the temperature transmitter.
Aug 3 1 / 9 5
LET L 410 W P - E 2 0 MAINTENANCE SCHEDULE Reference
No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
EXHAUST 078.10.00.A (Engine MM
Inspect the
exhaust bends.
W/P
78.10.00.a)
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Reference No.
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Frequency Note
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Reference No.
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
079.30.00.A Zheck the oil amount in the tank by means of a gauge. (Engine MM ~ i l W/P 79.50.00.b) 079.40.00.A Carry out visual inspection ~f oil system hoses.
Operations specified in the following item are to be carried out only for hoses of more than 5 years in operation.
Inspect the 443 512 506 705 oil cooler. Remove the TPV 1 (7) thermostatic and overpressure valve from the oil cooler and hand them over to the test room. After adjusting mount it again in the aircraft. Check the adjustment of the TPV l(7) thermostatic and overpressure valve at the test room.
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Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
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1 Aug 31/95
LET L 410 UVP-E20 JXULINTENANCE S C H E D U L E
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
STARTING
Check the cycling time of the LUN 2601.01-8 time relay.
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j0801 Page 4-95
LET L 4 1 0 WP-E20 MAINTENANCE S C H E D U L E
Reference No.
Name of Part/Unit Scheduled Maintenance Check
Frequency
Chapter 10801
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Aug 31/95
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Frequency Note
WATER INJECTION Check the operation of the LUN 5155-8 water injection Pump
4+
Jan 12/02
Do in case the pump was depreservec
....carry
out with every 4th check 1
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. LET L 410 UVP-E20 M A I N T E N A N C E SCHEDULE
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LET L 410 UVP-E20 MJLINTENANCE S C H E D U L E
5 INSPECTION
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MAINTENANCE
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LETECKE zljVODY a.s. L 410 UVP-E20 MZiINTENANCE SCHEDULE
5.1. General
I
5.1.1. The purpose of the aircraft inspection is the evaluation of the technical state of the airframe and its systems. I
5.1.2. The inspection of the aircraft is done after 4 800 hours + 150 hours, at least after 10 years from the date of the airplane takeover by customer or from dateof t h e latest overhaul or from the previous inspection.
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5.1.3. During the inspection also operations according to the overhaul of the periodic maintenance must be carried out, i.e. according to this maintenance schedule of the L 410 UVP-E20 airplane. I
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5.1.5. The airplane inspection is carried out according to an approved program in the airplane manufacturer's factory, or in a repar factory autorized by the airplane manufactorer and airworthines autority to do so and given the necessary documentation by the airplane manufactorer.
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6 S E A S O N A L
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MAINTENANCE
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LET L 410 UVP-E20 MAINTENANCE SCHEDULE 6.1. General
The seasonal maintenance (seasonal work) is carried out according to temperature changes (decreasing or increasing) in area of aircraft operation. The preparation works for the seasonal maintenance are carried out within the scope of the nearest periodic maintenance. -
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6.2. Works which must be carried out with temperature decrease
Name of Part/Unit Scheduled Maintenance Check
Reference No.
Note
FLIGHT CONTROLS Adjust the tension of the control cables in the rudder and elevator trim tabs. HYDRAULIC BOWER Bleed the hydraulic piping of the landing gear control system in the landing gear nacelles. LIGHTS Remove from the aircraft the storage battery (e.g. 21 NiCa 450-1) in order to check it at the shop inspection. After the checks, reinstall it in the aircraft. ~-
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Check the maximum charging current on the storage battery (e.g. 21 NiCa 450-1) and recharge the storage battery.
May 15/98
Page 6-3
LET L 410 UVP-E20
MAINTENANCE Reference No.
SCHEDULE
Name of Part/Unit Scheduled Maintenance Check
Note
NAVIGATION Check the errors of the Rn 4 5 ambient air thermometer. PROPELLERS Check the cycle time of the LUN 2 6 0 1 - 8 propeller time relay.
16.3. Work which must be carried out with temperature increase
FLIGHT CONTROLS Adjust the tension of the control cables in the rudder and elevator trim tabs. HYDRAULIC POWER Bleed the hydraulic piping of the landing gear control system in the landing gear nacelles.
Page 6 - 4
May 1 5 / 9 8
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
6.4. Limitations of the operation (maintenace)
I
The limitation for the operation is given in the L410 W P - E 2 0 Maintenance Manual, section 012.
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MAINTENANCE
SCHEDULE
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UNSCHEDULED
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LET L 4 1 0 WP-E20 -1NTENANCE SCHEDULE
7 . 1 . Conditions for doins unscheduled inspections 7 . 1 . 1 . Work
to be done after a hard landing. A landing is considered hard when the g-load in the centre of gravity exceeds 2 , 5 as well as in case of: - landing on the nose wheel - landing with a great banking angle (more than lo0) - undershoot (landing short of the runway) leaving runway
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7 . 1 . 2 . Work
to be done after a landing permisible - maximum landing weight.
at
higher
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than
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7 . 1 . 3 . Work to
be done after the aircraft flew throught storm activity and after the lighting strike.
7 . 1 . 4 . Work to be done during unscheduled inspections is given in
the table-point 7 . 2 .
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Page
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LETECKE ZAVODY a.s. L 4 1 0 WP-E2O MAINTENANCE S C H E D U L E
7.2. Work done at the unscheduled inspections
Para of the MS or section of the MM
NOTE:
-
Hard landing
Lighting strike, Landing at weight flight in the higher than max. storm activity landing weight
@TO be done in case the brakes were used at maximum weight (without using the reverse - pitch braking)
In case the landing weight exceeded the max. permissible landing weight, record the actual weight and nature of landing into the aircraft logbook and LG certificates (if into the nose and main supplied). -
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LET L 410 UVP-E20 MAINTENANCE SCHEDULE
1
7.3. Works carried out after bird impact
After bird impact carry out the check according to following items :
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023.12.02.A;
030.10.00.A;
030.20.00.B;
030.42.03.A;
033.40.00.B;
033.40.05.A;
034.11.00.A;
034.12.00.A;
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0 3 4 . 4 1 ~ 0 0 . ~ :034.-5O.OO-.A; 034-.53.84;A; 034-.53;05.-A: 051.00.00.A;
052.80.00.A;
054.00.00.A,C;055.00.OO.A;
053.00.00.B;
056.10.00.B;057.30.0O.A;
061.00.10.A
(Prop. MM
072.22.00.A
(Engine MM ) ; 072.23.00.A
);
053.50.00.A;
061.10.00.J
(Prop.
MM ) ;
(Engine MM ) ;
079.40.01.A.
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MAINTENANCE
SCHEDULE
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LET L 410 UVP-E2O MAINTENANCE S C H E D U L E
8.1. General 8.1.1.
After putting the aircraft out of operation for more than 15 days it is necessary to execute works connected with the prepraration for the storage, during storing and when putting the aircraft into operation.
8.1.2.
The extent of work connected with the prepraration for the storage depends on the planned storage time.
8.1.3.
There are the following types of storage: - for a time of 15 to 30 days - for a duration up to 3 months - for a duration more than 3 months (i.e. 6 months, 9 months, 12 months).
8.1.4.
The aircraft covers.
must be stored provided
with all blinds and
Work done durinq the preparation for storinq 8.2.1.
Work carried out for storing the of 15 to 30 days.
aircraft for a duration
8.2.1.1.
Carry out the work in the extent of the routine maintenance B - only works given for the case that the stoppage time of the aircraft till the next flight is presumed to be more than 2 hours.
8.2.1.2.
The metallic parts on wipers, all screw heads fixing the covers, door handles and other motionless parts on the outer surface of the aircraft without protection by a varnish or with a damaged varnish must be preserved with the KRNB or K-17 GOST 10877-76 preserving wax.
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LET
L 410 W P - E 2 0 Mi3INTENANCE
SCHEDULE
8.2.1.3. The metallic parts on control levers of wing flaps and airelons jon which the paint has been damaged, the springs of the quick-release locks on the forward fuselage covers, the piston rods of the landing gear shock absorbers and other movable parts in the landing gear space to be coated with preserving oil. The quick-release locks of covers must be tightened after preserving. 8.2.1.4. Clean the landing gear and after drying preserve the metallic parts of it which are not protected by the paint (excepting the brake working surfaces and shock-absorber piston rods) with preserving wax. 8.2.1.5. Cover the cockpit windows with the L 410.9516 cover. 8.2.1.6. If the water injection system of the engine has not been preserved, preserve it according to the working procedure 082.00.00.A. 8.2.1.7. The fuel tanks must be filled-up to (this does not concern the tip tanks).
the full
amount
8.2.1.8. The fuel system must be filled up with fuel and the fuel cock must be closed. 8.2.1.9. Remove the storage batteries from the aircraft (e.g. 20 NKBN-25,SAFT,VARTA and 21 NiCd 450-1) and store them. Carry out the maintenance as follows: - 20 NKBN-25,SAFT and VARTA storage battery according to instructions in the Maintenance manual of the 20 NKBN-25,SAFT and VARTA storage battery - 21 NiCd 450-1 storage battery according to aircraft MM, chapter 033.
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LET L 410 UVP-E20 MAINTENANCE S C H E D U L E
8.2.1.10. Ensure that the wheels of the aircraft rest on a hard, even surface and that the aircraft is not inclined to one side only. Treat the tyre by SVITPREN warhish against surface craks. 8.2.2. Work done for the storinq of the aircraft of up to 3 months -
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Preserve the 061.00.00.)
propeller
see
propeller
MM,
section
8.2.2.3. Preserve the engines (see engine MM, section 72.03.00.) 8.2.3. Work done for
the storinq of the aircraft of more than 3 months
for a duration
Carry out work-aceording to $terns 8.2.2. 8.2.3 .l. Do the outer preservation of engines by spraying oil KONKOR 101. At the same time protect the electric installation and the ignition system against the oil penetration.
8.2.3.2.
8.2.3.3. Wash out the main wheel and nose wheel bearings and L CSN 657131 or preserve them with the K-17 GOST 10 877-76 preserving grease. -
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8.3. Maintenance of the aircraft durinq storinq
8.3.1. Maintenance of aircraft after any 15 days of storinq
May 15/98
Page
8-5
LET L 410 UVP-E2O
MAINTENANCE
8.3.1.1.
Inspect the engines, silicagel of indicators and carry out works which are given in the section 72.03.00 of the para "After 15 days of storingt1 in the MM-engine. Turn the propeller by 10 revolutions so that the blade originally pointing upwards now points downwards after the propeller has been secured.
8.3.1.2.
Check visually absorbers.
8.3.1.3.
Check whether there is no humidity under the covers. If so, remove the covers, dry them of and check the aircraft surface for corrosion.
8.3.2.
I I
tyres and LIG shock
If the aircraft is stored under tropical and subtropical conditions, clean the windshield with antiseptic means in order to prevent the formation of mildew (ethylalcohol).
8.4. Work done
I I
the pressure in the
Maintenance of the aircraft after any 30 davs of storinq
8.3.2.1.
I
SCHEDULE
when puttinq
the aircraft
into operation after
storinq 8.4.1. Work done after storinq the
I I
aircraft for a duration of 15
to 30 days
I
:
8.4.1.1. Remove the covers from the aircraft.
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8.4.1.2.
I I I I I
Remove the preserving wax from the preserved outer surfaces and the landing gear by means of cleaning petrol. Take care greased.
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Page 8-6
that the
friction surfaces
are not
Aug 3 1 / 9 5
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE S C H E D U L E
8.4.1.3. Install the charged (e.g. 20 NKBN-25, SAFT, VARTA and 21 NiCd 450-1) storage batteries. 8.4.1.4. Remove the system. 8,4.1.5. -
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Carry out the maintenance of the aircraft in the extent of the periodic maintenance 1 and the lubrication corresponding to the respective season. -
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8.4.2. Work done after storinq the 3 months. I
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8.4.2.1. Carry out work given in items'8.4.1.1. to 8.4.1.5. 8.4.2.2. Remove the preservation section 72.03.00).
from engines
(see engine MM,
a n d clean- the propeLler 8-4r2.3 .-Remove the-preser~a~ion propeller MM, section 061.10.00). 8.4.2.4. Bleed the suction piping of the hydrulic according to the aircraft MM, section 029.00.00. 8.4.2.5. Refill nitrogen in the hydraulic aircraft MM, section 029.00.00).
(
see
system
accumulators
(see
I I
8.4.2.6. Check the cabin fire extinguisher. 8.4.2.7,
Jan 12/02
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Carry o u t the engine t e s t lsee aircraft 071.00.00). -
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8-7
LETECKE ZAVODY a.s. L 4 1 0 UVP-E20 SCHEDULE
EISLINTENANCE
8.4.3.
Work done after storinq the aircraft for a duration over 3 months Carry
8.4.3.1.
I
operations
according
to items
8.4.2.1.
to
8.4.2.7.
8.4.3.2.
Remove the preservation of enginesfrom outSide.While doing so protect the electric installation and the ignition system against the penetration of petrol. -
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Grease the mainwheel and nose wheel bearings.
8.4.3.4. Carry
out the test flight. The, program of the test flight is given in the separate document Check Flight Methodics for the L 4 1 0 UVP-E20 aeroplane ' I .
Page
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LET L 410 UVP-E20 MAINTENANCE SCHEDULE
S U P P L E M E N T S
Aug 31/95
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LET L 410 UVP-E2O PJIAINTENANCE
SCHEDULE
Lubrication plan 9.1.1. General The lubrication plan consists of: - survey of lubricated places, arranged according to the type of joints - lubrication tables, arranged according to types of inspection o f the-periodicmaintenance - tables of lubricated places, the lubrication of which is done in another interval than 300 hours. -
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9.1.2. Survey of lubricated places
The survey of lubricated places is arranged according to the type of joints. The joint type is given by the first figure of the triplace numerical marking of the joint: lxx hinged bearings 2xx ..... ball bearings 3xx .....tapered roller bearings -4xx.; .; .grease nipples5xx cables, bowden cable hinges, bolts, sliding parts 6xx 7xx.....renewal of preservation of bolts and hinges
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The illustration of lubricated places is in figures 9.1.-1 to 9.1.-10. To this survey belong the tables 9.1.3., 9.1.4. where the individual lubricated places expressed by numbers,( corresponding to this survey) are arranged into columns according to the periodicity maintenance - inspection.
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9.1-1
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Number 3f lubrid. places.
Name - -
Pcs
gumber of figure
-
Hinsed bearinqs on the pull rods of the control of rolling tab on the cylinder of ground spoiler control
on the pull rods of closing of covers of the main landing gear on the working cylinder of the main landing gear suspensions of the covers of the nose landing gear suspension of the countershaft for closing the covers of the nose landing gear on the pull-rods of closing the nose landing gear covers on the pull-rod of the nose landing gear control on the pull-rod of the cylinder of the nose landing gear servo-drive on the pull-rods between the block of foot control and the column of the manual control (control system of the nose wheel from pedals) on the pull-rods of the engine control in the hinged joints of the fixing of teleflex of propeller control to the engine control suspension of the rudder
Page 9.1-2
Aug 31/95
LETECKE ZAVODY a.s. L 410 UVP-E2O
MAINTENANCE
Number ~f lubrid places.
.
SCHEDULE
Name
Pcs
!?umber of figure
on the lever and on the pull-rod of controlling the trim tab of the aileron suspensions of the aileron trim tab on connecting pull-rods of the control of wing flaps on the strut of the front baggage compartment door suspension of the working cylinder of the nose landing gear Ball bearinqs
- it is carried out during airplane inspection elevator suspensions rudder suspensions on the pull-rod of the control of trim tabs of the rudder and inside of it suspensions of ailerons suspensions of wing flaps (except the suspensions at the frame No. 10) on the pull-rod of the control of wing flaps
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it is carried out during airplane inspection
on the lever of the trim tab control (elevator)
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Jan 12/02
it is carried out during airplane inspection
Page 9.1-3
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE S C H E D U L E Number >f lubrid. places.
Name
Pcs
Number of figure
on the pulleys of the control system of the de-icing of engine air inlet on the pull-rod of the elevator control on the lever of the elevator control on the
pull-rod of aileron
on the pull-rod of the trim tab control of elevator lower bearings of the rudder ' on the pull-rod of the trim tab control of the rudder-at the trim tab
on the countershaft of the rudder trim tab control in rudder on the pull-rod of ground spoiler control between the 14th and 15th rib suspensions of wing flaps at the 10th rib
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it is carried out during airplane inspection
countershaft of the nose wheel control
Page 9.1-4
Jan 12/02
LETECKE ZAVODY a.s. L 410 UVP-E20 M A I N T E N A N C E SCHEDULE
Number >f lubrid. places.
Name
Pcs
Jumber of figure
Tapered roller bearinqs in the wheel of the main landing gear in the
wheel of the nose landing gear
Grease nipples on the pull-rods of the heating control on the brake pedals on the drum of trim tab control (in the stabilizer) on the pull-rods of engine air intake de-icing /ice separator vane/ on the leg of the main landing gear on the leg of the nose landing gear and lock of the nose landing gear on the leg of the nose landing gear
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it is carried out during airplane inspection
Cables, bowden cables cables
the aircraft control
cables of engine control bowden cable of the mechanical indicator of the nose landing gear Piano hinqes, bolts, slidins parts spring stop in the control of the elevator (on the rear stop under the floor of the pilot's cockpit)
Jan 12/02
Page 9.1-5
LET L 410 UVP-E20 MAINTENANCE
SCHEDULE -
Number of lubrid places.
--
Name
Pcs
Number of figure
lever pin of pulleys of the de-icing of the engine air intake shaft of the GA-211A-00-4 mechanical windshield wiper bearing of the rotating signal system of ice rotary-detector -
-
-
~
~
~
~
~
~
~
sliding parts of the wiper arms suspension of the cover of main landing gear lever pin of the cover of main landing gear pin of the mechanical indicator of the main landing gear sliding parts of the main landing gear lock
pins of the rear cover of the nose landing gear with the pull-rod pins of the lever system of the servodrive of nose wheel shaft in the box of the SKP 1 (8) limit switches and in the B 062 266 N braket universal quick-release locks of covers on the fuselage (for the access to board batteries, radio equipment etc) piano hinges of the lower engine cowls and-theirvanes -
-
-
-
-
-
-
~
-
~
~
~
~
piano hinges of suspensions of the olevator trim tab piano hinge of the suspension of the rudder trim tab
Page 9.1-6
Aug 31/95
LETECKE ZAVODY a.s. L 410 UVP-E20 IXAINTENANCE
Number ~f lubrid. places.
SCHEDULE
Pcs
Name
!?umber of figure
?iano hinge of the ground spoiler sliding parts of control levers in the ?ilotlscockpit. The friction lever nust not be greased. sliding parts of the engine controls including the propeller reversing cam suspensions of toilet door suspensions of door in the partition ~etweenthe pilots and passengers suspensions of the main entry and zmergency doors fixing of the electro-mechanical strut in the rudder and left airleron pivots
locks
engine cowls
tightening screws of fuel tanks and ~f water injection tank closures lever of the drive of the trim tab position transmitter zountershaft of the L 410.5350-01 nose wheel control
-
Jan 12/02
it is carried out during airplane inspection
Page 9.1-7
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE
Number 3f lubrid. places.
SCHEDULE
Name
levers
-
Pcs
Number of figure
the heating control
it is carried out during airpla.ne inspection rear -
-
-
Renewal of bolt and hinqe preservation horizontal stabilizer/fuselage attachment vertical fin/fuselage attachment
pin of the rudder upper suspension (without removal) engine mount /wing ABC tab
attachment
attachment
main landing gear shock absorber lower attachment joint connection of the front baggage compartment door with the fuselage connection of-the n o s e tilting c o n e with the fuselage -
) Page
9.1-8
Jan 12/02
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE S C H E D U L E
9.1.3. Lubrication tables arranqed accordinq to the types of
periodic maintenance ( 2 , 3 , 4 )
Scheduled work
Type of periodic maintenance (lubrication place)
1. Wash with cleaning petrol and grease with the CIATIM 201
grease. The lubrication place 217 to be lubricated with type of maintenance 3 and 4 by means of a syringe - see MM aircraft subgroup 027.21.00 page 301 to 304.
Jan 12/02
Page
9.1-9
LETECKE ZAVODY a.s. L 410 W P - E 2 0 MAINTENANCE
Scheduled work
SCHEDULE
Type of periodic maintenance (lubrication place)
-
2.
After dismantling the connecting parts wash with petrol and grease with the CIATIM 201 grease.
When cleaning and lubricating the extreme bearings of elevator (lubrication place 2 0 2 ) remove the duster (see detail B in fig. 9.1-1) and push it back into hole in the rib after lubrication.
3.
After dismantling the connecting parts wash with cleaning petrol and grease with MOLYKA (paste) or the VNIIP - 2 2 5 or the VNIIP - 2 3 2 .
) Page 9.1-10
Jan 12/02
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE SCHEDULE
Scheduled work
Type of periodic maintenance (lubrication place)
2. Wash with petrol and lubricate
with the MK-8 oil. At lubrication places 606, 616, 617 rotate with the wire of the hinge. Lubricate the lubrication place 601 with a mixture of the CIATIM 201 grease and the KONKOR 101 preserving oil. Lubricate the lubrication place 626 with the AMG 10 hydraulic liquid. The lubrication place 637 to be lubricated the KONKOR 101 preserving oil by means of a syringe and blow away oil by air-pump. 5. Loosen the locks of the nose
cover of the fuselage and turn the nose cover so that the sensor of the rotary ice detector aims askew upwards. Switch on the signal device of the LUN 1771.3-8 or the LUN 1771.4-8 rotary ice detector and put a few drops of the oil 132-8 on the outer accessible friction surface of the rotating sensor. 6. Remove
the screw at the end of the GA-211A-00-4 windshield wiper shaft and press CIATIM 201 grease into the hole.
7. Wipe, using a clean cloth and
lubricate, using the CIATIM 201 grease, the grease nipples with grease gun.
Jan 12/02
Page
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE S C H E D U L E
Type of periodic maintenance (lubrication place)
Scheduled work
-
---
-
8. Clean with a clean cloth and
grease with MLO-ELASTIK-R or CIATIM 201. At inaccessible places the MK-8 oil and a syringe with a piece of plastic tubing instead of the needle. The lubrication is important to be done mainly in places where cables pass over the rollers. 9. Clean with petrol and
preserve with vaseline (e.g. L or KI 77 preservative vaseline). Lubricate the place 706 by by means of a syringe with KONKOR 101 preservative oil.
10.Wash the bearings with petrol and fill them up with the NH-2 grease all the year round. Note: As a substitute grease one may use at temperature above - 2 5 O ~the NK-50 grease and at tem eratures below -25gC a mixture of the NK-50 grease and 25% of the CIATIM 201 grease. 11.Wash with petrol and preserve with the KONKOR 101 or the MK-8 oil.
I
Page 9.1-12
Jan 12/02
LET L 410 UVP-E20 M A I N T E N A N C E SCHEDULE 9.1.4. Tables of lubrication points,
the lubrication of which is done in another interval than 300 hours lubrication done once a month
-
----
-
Lubrication point
Scheduled work Wipe with clean cloth and using the CIATIM 201 grease, lubricate the nipples with grease gun Wash with cleaning petrol and grease with CIATIM 201 Wash with cleaning petrol and grease with the MOLYKA or the VNIINP-225 (232) compound Wash with cleaning petrol and grease by means of a grease gun the nipples with 3cm3 of the CIATIM 201, the landing gear being set in the straight direction and both extreme positions. Note:
*/
If you are not sure that the joint is thoroughly lubricated, remove the lubricating nipple, clean the channel by means of a wire and repeat the lubrication. If the process was not successful, dismantle the critical joint, wash it with cleaning petrol throughly, assemble the joint and lubricate again. Carry out the lubrication once per two weeks in a sand environment.
lubrication done with any enqine replacement
I
Scheduled work 1. Clean with cleaning petrol and
1
Lubrication point 705
preserve with vaseline (e.g. the L or K-17 preservative vaseline) 9.1.5.
Lubrication dependinq on the season of the year If the plane has not flown the number of flight hours in the bellow mentoned calendar period, it is neccesary to carry out lubrication which corresponds to these flight hours : 1 x in 6 months lubrication as per check 2 1 x in 2 years lubrication as per check 3 1 x in 4 years lubrication as per check 4
May 15/98
Page 9.1-13
I
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Fig.
-
A
-
B
-
9.1
-
1 TAIL UNIT
detail of the rudder trim tab control assembly detail of the elevator outer hinge bearing with the dust cap
Page 9.1-14
Aug 31/95
LET L 410 UVP-E20 MAINTENANCE S C H E D U L E
Fig.
9.1
-
4
NOSE WHEEL STEERING
Aug 31/95
Page 9.1-17
LET L 410 W P - E 2 0
MAINTENANCE
Fig. 9.1
-
SCHEDULE
5 MAIN LANDING GEAR
Page 9.1-18
Aug 31/95
LETECKE ZAVODY a . s . L 4 1 0 UVP-E20 MAINTENANCE SCHEDULE
Fig. 9.1 - 2 AIRCRAFT CONTROLS A - Block of t h e hand and f o o t c o n t r o l
Jan 12/02
Page 9.1-15
LETECKE ZAVODY a.s. L 410 UVP-E2O M A I N T E N A N C E SCHEDULE
Fig. 9.1
-
Page 9.1-16
3
'WING
Jan 12/02
LET L 410 UVP-E2O MAINTENANCE S C H E D U L E
9.1
-
6 NOSE
LANDING GEAR
Page 9.1-19
LET L 410 UVP-E20
MAINTENANCE
FIG.
9.1
-
7
SCHEDULE
ENGINE CONTROLS AND ENGINE COWLINGS
Page 9 . 1 - 2 0
Aug 3 1 / 9 5
LET L 410 UVP-E2O ISAINTENANCE
SCHEDULE
Fig. 9.1 - 8 ENGINE NACELLE A - Detail of hinged joint of the teleflex mounting
Aug 31/95
Page 9.1-21
LET L 410 UVP-E20 MAINTENANCE S C H E D U L E
9.1
I I
A
I I
-
9 FUSELAGE FRONT SECTION
- detail of mechanical windshield wiper
Page 9 . 1 - 2 2
Aug 3 1 / 9 5
LET L 410 UVP-E20 MAINTENANCE S C H E D U L E
Fig. 9.1
-
10 DOOR AND FRONT AIRCRAFT TILTING CONE
Page 9 . 1 - 2 3
LET L 410 UVP-E20
MAINTENANCE
SCHEDULE
Intentionally left blank.
I I
Page 9.1-24
Aug 31/95
LETECKE ZAVODY a.s. L 410 UVP-E20 MSLINTENANCE
1
SCHEDULE
9.2. List of works after which it is necessary to carry out weiqhinq of aircraft, levellins of aircraft and service test fliqht 9.2.1. General Carry out weighing of the aircraft in the following cases: - after the adaption of the aircraft to another version or modification - after the performed inspection of the aircraft - after replacing the wing Carry out levelling of the aircraft in the following cases: - after the performed inspection of the aircraft - after emergency cases given in the para 7 of this Maintenance Schedule - after replacing the wing, stabilizer, tail unit Carry out the service - after the performed - if the aircraft has - after the execution 9.2.4.1 - after the performed
test flight in the following cases: periodic maintenance - checks 3 , 4 been stored for more than 3 months of works which are specified in item inspection of the aircraft
9.2.2. Weiqhinq of aircraft 9.2.2.1. Check the state of the empty equipped aircraft. Note : The weight of the empty equipped aircraft defined in the Flight Manual the L 410 UVP-E20 aircraft.
Jan 12/02
Page
is of
9.2-1
LETECKE ZAVODY a.s. L 4 1 0 UVP-E20 SCHEDULE
MAINTENANCE
-
9.2.2.2.
Drain off all fuel.
9.2.2.3.
Fill up the undischargeable fuel amount 6 litres (left side - main fuel tanks wing tip tank 2,4 litre right side - main fuel tanks 6 litres wing tip tank 2,4 litre)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9.2.2.4.
Tare the balance.
9.2.2.5.
Lift the aircraft on jacks.
9.2.2.6.
Set the aircraft to cross plane by means of levelling points No. 1 9 on the left and right wing with a maximum difference of 1 mm.
9.2.2.7.
Set the aircraft to longitudinal levelling points on the fuselage No. maximum difference of 1 mm. -
-
-
-
-
-
-
-
-
plane by means of 1 and No. 7 with a ~
~
~
9.2.2.8.
Secure the jacks.
9.2.2.9.
Check three times the found reactions. Record the result into the Weight and Balance Record, carry out the calculation of the weight of the empty aircraft and determine the position of its centre of gravity in % MAC.
9.2.2.10. -
-
-
-
Page
-
-
The results of weight and balance found by the calculation record into the Flight Manual of tlik L 4 1 0 WP-E20 aircraft, i.e. the weight and centre of gravity in % MAC.
9.2-2
Jan
12/02
LETECKE ZAVODY a.s. L 410 UVP-E20 MAINTENANCE SCHEDULE
9.2.3.
Levellinq of aircraft
9.2.3.1.
Check whether configuration.
9.2.3.2.
Discharge the fuel from the aircraft.
9.2.3.3.
Lift the aircraft on jacks.
9.2.3.4.
Set the aircraft to the crossplane by means of levelling points No. 19 on the left and right wing with a maximum difference of 1 mm.
9.2.3.5.
Set the aircraft to the longitudinal plane of the fuselage by means of levelling points No. 1 and 7 with a maximum difference of 1 mm.
9.2.3.6.
Secure the jacks.
9.2.3.7.
Carry out levelling according to the Levelling and Rigging Record of the aircraft and record the measured values.
9.2.3.8.
Compare the measured values with the values given in the Record of the aircraft. In case of exceeding the permissible tolerances it is necessary to get the expert opinion of the manufacturer.
Jan 12/02
the
aircraft
is
empty
in
the
basic
Page 9.2-3
LETECKE ZAVODY a.s. L 410 UVP-E20 SCHEDULE
I?/LAINTENANCE
O~erationcheck
9.2.4. 9.2.4.1.
List of products after replacement of which carry the service test flight.
out
Name of product Works after the execution of which No. of subgroup PTP and marking it is necessary to carry out the service test flight
I
M 601 E or M-6llf E-21 Engine
Replacement of one p r both -engines -
-
-
-
-
-
-
-
-
-
Fuel regulator Replacement of the regulator of one or both engines Replacement of one or both propellers
Propeller
Propeller Speed Replacement of one or both regulator propeller regulators
1 Wing
1 Stabilizer
l1 Rudder Ailerons Wing flaps
l~e~lacement of wing (Replacement of stabilizer
I
Replacement of the -fin -
-
-
-
-
Replacement of elevator
l~e~lacement of rudder Replacement of one or both ailerons Replacement of the inner or outer wing flap or slot
Operating test flight is performed as well as after exchange of every instrument whose setting or adjusting depends on the influence of aerodinamic forces in flight.
Page
9.2-4
Jan
12/02
R
LETECKE ZAVODY a.s. L 410 UVP-E20 M A I N T E N A N C E SCHEDULE
9.2.4.2. Proqram of operation check fliqhts The program of the operation check flight (test flight) (see item 1.1.3.2.h) includes the recommended ways of the verification of the operation of individual aircraft systems, indicated values and aircraft characteristics during the flight. The aeroplane must be completed and equipped. The operator may according to his conditions adjust or supplement the operation check flight. All values found during the ground and flight tests should be recorded in the final internal certificate.
Jan 12/02
Page 9.2-5
LETECKE ZAVODY a.s. L 410 W P - E 2 0 MAINTENANCE S C H E D U L E
Intentionally left blank.
1 Page
9.2-6
Jan 12/02
LET L 410 UVP-E20 MAINTENANCE S C H E D U L E
The L 41 0 UVP-E20 Aeroplane LEVELLING AND RIGGING RECORD
Aeroplane Serial No.: Registration Mark:
................................
..................................
Page 9 . 2 - 7
LET L 410 UVP-E2O M A I N T E N A N C E SCHEDULE Example of Levelling and Rigging Record (page 2)
1. A e r o p l a n e l e v e l l i n q
L a t e r a l datum i s d e t e r m i n e d by l e v e l l i n g p o i n t s go.
1.1.
a n d 1 9 RH / s e e F i g .
19
LX
3/
L o g i t u d i n a l datum i s g i v e n by t h e f u s e l z g e d a t u m I1
1.2.
d e t e r m i n e d by l e v e l l i n g p o i n t s L? No.
1 and 7 s e e F i q .
!
whose p o s i t i o n s a r e s p e z i f i e d i n t h e t a b 1 2 on Page 8 . I
I1 I11
-
Notes:
L e v e l l i n g p l a n e / p a s s i n g t h r o u g h 1 . e v e l l i n g 2 o i n t s Xo . 3 , . 5 , 6 / F u s e l q e datum / l i e s 10 mrn below t h e l e v e l l i n g p l a n e / Engine r i g g i n g f a c e t
-
The v a l u e s i n t a b l e s f o r v e r t i c a l measurements r e f e r t o the levelling plane.
-
The v a l n e s r e f e r r i n g t o l e v e l l i n g p o i n t s l y i n g below t h e l e v e l l i n g p i a n e a r e ~ a r k e dx i t h , t h e
-
"-".
The v a l u e s t o t h e l e f t 3.re marked w i t h t h e s i g n t o the right
-
"+" / t h e LH and
?H ,
"-",
sides are identical
see Fig. 2 .
Fig.
Page 9 . 2 - 8
sign
1
A u g 31/95
LET L 410 UVP-E2O M-AINTENANCE SCHEDULE Example of Levelling and ~ i g g i n gRecord (page 3 )
2 . C h e c k o f w i n q tip f u e l t a n k s p o s i t i o n r e l a t i v e t o l e v e l l i n q plane
-
see F i q .
1
CAUTION: FOLLOVTING TABLE LDPLIZS FOR Z R O P L X T S a3C.M. 1 6 t h S E R I Z S -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
WITH WING T I ? FUEL TAX'XS FROM
~1 ignment
I !
Nominal
Yeasurenent SO. 1
i
~ ~ R I A~ L5- 8.b 1 6 0 1 , ?!easuze~en~ go.
2
-
-
-
Xeasuremenc No. 3
Check o f winq t i p f u e l t a n k a x i s a l i g n m e n t r e l d t i v s to t h e levellinq plane CAPTION:
- see
Fig.
L
FDLLOWIXG TABLE- A P P L I Z S ?OR- m-ROPLl2;ZS -
-
-
F2CX -1 6 t h S E X I Z S
-
-
-
-
-
- -
WITH W I N G T I P FUEL TAMS FROM S E R I A L No. 8 6 1 6 0 1 .
1
Rear Front D i f f e - Tolel e v e l l i n g Levelling rence rance po i n c point
Aug 31/95
Uezsurement So. 2
Xeasurernent Yo. 1
64.78
210
LH!
64.78
210
Xd
Xeasurement No. ?
I
Page
9.2-9
LET L 410 UVP-E20 M2lINTENANCE SCHEDULE Example of ~ e v e l l i n gand ~ i g g i n gRecord (page 4)
Check o f wing t i p f u e l t a n k s p o s i t i o n r e l a t i v e t o t h e
4.
aeroplane axis
-
see Fig. 2
CAUTION: FOLLOWING TABLE APPLIES FOR AEROPLANES FROM 1 6 t h SZRIZS W I T H W I N G TIP FUEL TANKS FSOM SZZIXL No.
r A 1 ignment
Nominal value
Tolerance
5 . Check o f Aliqnment D Check o f Alignment E
-
see Fig.
Yeasurement !'a. 1
851601.
Yeasurement Xo. 3
Yeasurenent Yo. 2
/measured i n t h e ~ r o u e l l e rs h a f t a x i s / /measured from p l a n e I1 t o I I I /
-
1
Nominal
Xeasurement
Yeasurement
NO. 2
I
.Neasurement No.3
The d i f f e r e n c e between D and E m u s t n o t e x c e e d 3 nun. T h e . a l i g n m e n t t o be checked p r i o r t h e 3 r a n e l l e r i n s t a l l a t i o n .
Page 9.2-10
LET L 410 UVP-E20 -1NTENANCE SCHEDULE -
-
Example of ~ e v e l l i n gand Rigging Record (page 5 )
6. Check of f u s e l a g e s a g and ~ w i s t- see F i q .
7. Check of s t a t i c p r e s s u r s head ? o s i t i o n
h l ignmen t
A u g 31/95
Nominal
Ileasur-.=enc
-
1
s e e ?ig. 1
>!easur+3enc !lo.
2
!-!easurenec 90. 3
Page 9.2-11
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Example of Levelling and Rigging Record (page 6 )
0
-
1 9 9 7 9 . 5 / t h e o r e t i c dimension/
-
for aeroplanes with
wing t i p f u e l t a n k s I!
Page 9.2-12
-
1 9 4 7 8 . 9 / t h e o r e t i c dimension/
-
for a e r o p l a n e s with wing t i p s
A u g 31/95
LET L 410 UVP-E20 MAINTENANCE SCHEDULE
Example of Levelling and Rigging Record (page 7 )
8. Check of alignments F, G /measured in the propeller shaf'
-
see F'icl.
L
axis
2
I
TLerance
:4e.asurcment Yo.
1
/
ueasurenent Yo.
2
I
~easurezent !lo. 3
/
The check of engine alignment to be carried out prior the propeller installation. 9.
Check of alignments A, B
-
see 'ig.
2
r
7
Alignment
Xeasurement Yo, I
Tolerance
Measure3enc No. 2
. Yeasurement Yo.
3
xi
-
A ItY
.\ - .$
Xax.difference 15
LX
B
w BL
-
Bp
Xax.difference
I
15
Subcript L = left hand, ? = right hand side.
Page
9.2-13
LET L 410 W P - E 2 0 M.AINTENANCE SCHEDULE -
Example of Levelling and Rigging Record (page 8)
10. C h e c k of fuselage curvature - s e e
11. C h e c k of w i n g twist
-
Fic.
see Fig. 3
,eve11ing ioninal Tolerance value points
!!easuremsnc Lfeasurernent Xeasurement Yo. 1 Yo. 2 ?To. 3 I
20.25
2
+ 4 -
.
mi
I
53
1 8241
ii 13.98
-+ 4
LII -1
Page 9.2-14
.oo
+ -
4
Aug 3 1 / 9 5
LET L 410 UVP-E20 I??LAINTENANCE
SCHEDULE
Example of Levelling and Rigging Record (page 9 )
12. Check of s t a b i l i z e r t v i s z I?.< 2 i h e d r a l t o s e c g r s a 2.j a n g l e
of incidence
-
s e e Pic. 3
Level 1 in: Yominal po i n t s value
A 1 ignmen t
/
g:
I
42.37
23-24 lower
1
Xeasurezent >!easnrernent 3 e a s u r e n e n t 1 !TO. 3 So. 2
cranc
-3
'
I
I
I 2i
.
L
. 28.7
1 I
i
i
iH i
13. Check of s t a b i l i z e r ?oslz.:c?.
t o s e c u r e a 2"
A 1 ignnen t
I
I
A u g 31/95
z s l z t i v e ?o I ? v e l l i n g e l x e a n g l e oE i n c l j , a n c e - s e e ? i ~ .2
/
Level1 ing Yoninz, , -a;simcei points val ~e '
i
Xeasurezecx tl U e a s u r e ~ ~ !-feasurernenc ~t ,.do. i YO. 2 YO. 3
I
23
lower
Page 9.2-15
LET L 410 UVP-E20 MAINTENANCE SCHEDULE Example of Levelling and Rigging Record (page 10)
Fig. 3 14. Check of aliqnment C
-
see Pig. 3
Tolerance
A 1 ignmen t
0
i
1 I
VC? %..al x.
.,
Page 9.2-16
I
difference 15
A u g 31/95
LET L 410 UVP-E20 MAINTENANCE SCHEDULE Example of Levelling and Rigging Record (page 11)
1 5 . Check o f winq p o s i t i o n r e l a t i v e t o t h e l e v e l l i n c p l a n e , a n g l e of d i h e d r a l CAUTION:
-
see Tic. 3
FOLLOWING TABLE A P P L I E S FOR AEROPLXUES FRCX 1 6 ~ 5SZ?.IXS WITH WING T I P F C E L T.AN: