CFM 56 - 7B 27 Training Manual [PDF]

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CFM56-7B

TRAINING MANUAL

ENGINE REMOVAL AND INSTALLATION TRAINING COURSE EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

Document: GEK 112143 71-00-00 Revised: Jan. 2003 Page 1 Jan. 2003

CFM56-7B

TRAINING MANUAL

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EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

CFM56-7B Removal & Installation Training Course

The Power Of Flight CFM Proprietary Information

Document: GEK 112143 Revised: Jan. 2003

The information contained in this document is CFM Proprietary Information and is disclosed in confidence. It is the property of CFM and shall not be used, disclosed to others, or reproduced without the express written consent of CFM International. If consent is given for reproduction in whole or in part, this notice and the notice set forth on each page of this document shall appear in any such reproduction in whole or in part. The information contained in this document may also be controlled by the U.S. export control laws. Unauthorized export or re-export is prohibited.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

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CFM56-7B

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Table of Contents Engine Nacelle………………………………………………………………………………….. Page 08 Engine Transportation Stand ……………………………………………………………….. Page 10 Fan Cowling …………………………………………………………………………………… Page Engine Quick Disconnects ………………………………………………………………….. Page Engine Support Tooling ……………………………………………………………………… Page Engine Mounts ………………………………………………………………………………... Page Thrust Reverser Hold Open Tooling ………………………………………………………. Page Bootstrap Tooling …………………………………………………………………………….. Page

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

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EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

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EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

ENGINE NACELLE General Description The CFM56-7 engine fan cowling and thrust reverser segments are hinged to the strut. To remove or install an engine, the fan cowls need to be removed to provide access to the forward engine ground handling points. The fan cowls are held in the open position by integral hold-open rods for engine maintenance when the engine is installed on the strut. The forward fairing will need to be removed to gain access to GSE bootstrap interface points. The forward fairing is held in place by 7 quick release latches allowing easy access to GSE hard points for the bootstrap system. The thrust reverser is made in two halves ("C"-Ducts) which are raised open with integral actuators by a hydraulic pump which must be purchased as Ground Support Equipment (GSE). Once the "C"-Ducts are open, an automatic lock in the actuators holds each "C"-Duct open. GSE actuator locks provide a backup for the locks in the actuators. When removing an engine, the actuators are disconnected and GSE thrust reverser cowl hold-open rods are the only means of holding the "C"-Ducts open. With the thrust reverser halves held open, engine removal and installation is accomplished using a "bootstrap" hoisting system.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

Engine Strut

Thrust Reverser RH (C-Duct)

Thrust Reverser LH (C-Duct)

ALF

ENGINE NACELLE EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

ENGINE TRANSPORTATION STAND Purpose (2.B.b) The purpose of the engine stand, cradle or dolly is to support the engine during transportation to airport apron and shop. It may also be used for air or highway transportation with approval of CFMI. When using the stand for transportation, the two fan attach points and the aft right hand turbine attach point are required for support of the engine. Equipment AM2563 Base Universal Transportation Cradle for the CFM56-7 Engine Additional Support Equipment Note: Refer to GSE manual for more information C78020 Equipment - Hold Open, Thrust Reverser Cowl, C71020 Kit - Bootstrap, CFM56-7 Engine C78005 Pump - Portable Hand, Thrust Reverser Cowl C71022 Torque Wrench Equipment - CFM56-7 Engine Bolts C71040 Inlet cowl sling

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

LH Fan Support

Engine Stand

ENGINE TRANSPORTATION STAND EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

ENGINE TRANSPORTATION STAND Training Information Points (3.E.c) A series of Tie-down rings offer secure retainment during long distant hauling of the unit. When rolling engine under the wing, the top of the aft engine mount should not exceed 70.5 inches (179.09 cm) from the ground for ground clearance from the precooler. The transport base unit consists of a frame supported by four dual wheel caster assemblies. Each caster assembly has a 5 inches (13 mm) wide by 10 inches (25 mm) diameter wheel for easy mobility and a weight capacity of 5000 lbs (2266 kg) each. Shock absorbing polyurethane tread wheels, position locks and face brakes are standard. All four caster assemblies are designed to pin in a retracted position for air/truck transport of the entire unit, with engine. The towbar stows on the base frame when not in use. The maximum towing speed of the unit is 3 MPH (5Km/h). Built-in shock absorbing mounts cushion all transport movements.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

ENGINE TRANSPORTATION STAND EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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TRAINING MANUAL

ENGINE TRANSPORTATION STAND Identification (1.A.a) This section identifies the basic maintenance equipment to support CFM56-7 engine change using the engine transportation stand called a shipping dolly or cradle on the 737-600/-700/-800/-900/C40/BBJ airplane. Equipment AM2563-227 Base, Universal Transportation Cradle for the CFM56-7 Engine and has three sections. - Engine Dolly Base - Cradle - Complete Stand

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

ALF

AFT

FWD

ENGINE TRANSPORTATION STAND EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FAN COWLING Identification (1.A.a) The CFM56-7 engine fan cowling and thrust reverser segments are hinged to the strut. To remove or install an engine, the fan cowls need to be removed to provide access to the forward engine ground handling points. The fan cowls are held in the open position by integral hold-open rods for engine maintenance when the engine is installed on the strut.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

FAN COWL

FAN COWL PINS

HOLD OPEN ROD

FAN COWLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

LH STRUT QUICK DISCONNECTS Identification (1.A.a) The CFM56-7 engine the quick disconnects must be removed for fuel, air, electrical, and hydraulics.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

LH STRUT QUICK DISCONNECTS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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TRAINING MANUAL

RH STRUT QUICK DISCONNECTS Identification (1.A.a) The CFM56-7 engine the quick disconnects must be removed for fuel, air, electrical, and hydraulics.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

RH STRUT QUICK DISCONNECTS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

ENGINE FIRE EXTINGUISHING TUBE Identification (1.A.a) The CFM56-7 engine the fire extinguishing tube location.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

ENGINE FIRE EXTINGUISHING TUBE

ENGINE FIRE EXTINGUISHING TUBE EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

PRE-COOLER LINES LH SIDE Identification (1.A.a) The CFM56-7 engine pre-cooler and lines locations.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

PRE-COOLER LINES

PRE-COOLER LINES LH SIDE EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

PRE-COOLER RH SIDE Identification (1.A.a) The CFM56-7 engine pre-cooler location.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

PRE-COOLER

PRE-COOLER RH SIDE EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

LH FAN FRAME ENGINE SUPPORT Identification (1.A.a) The engine stand supports tools are found on the engine stand in boxes. This is the LH engine support for the fan frame. Purpose (2.B.b) The purpose of the engine supports are to maintain the stand to the engine fan frame and the aft engine turbine rear frame during transportation.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

LH FAN FRAME ENGINE SUPPORT

LH FAN FRAME ENGINE SUPPORT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

RH FAN FRAME ENGINE SUPPORT Identification (1.A.a) The engine stand supports tools are found on the engine stand in boxes. This is the RH engine support for the fan frame.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

RH FAN FRAME ENGINE SUPPORT

RH FAN FRAME ENGINE SUPPORT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

LH FAN FRAME ENGINE SUPPORT Identification (1.A.a) The LH engine stand supports is installed into the fan frame.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

Detail A

LH SUPPORT

LH SUPPORT Detail A Top View

LH FAN FRAME ENGINE SUPPORT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

LH FAN FRAME ENGINE SUPPORT Identification (1.A.a) The LH engine stand trunnion support is installed into the fan frame safety ball pin and a beveled pin.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

Ball Lock Pin

LH Trunnion Beveled Pin

LH SUPPORT

LH FAN FRAME ENGINE SUPPORT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

RH FAN FRAME ENGINE SUPPORT Identification (1.A.a) The LH engine stand trunnion support is installed into the fan frame safety ball pin and a beveled pin.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

RH Trunnion

Ball Lock Pin

Beveled Pin

RH SUPPORT

RH FAN FRAME ENGINE SUPPORT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT LPT ENGINE SUPPORT Identification (1.A.a) The AFT LPT engine support is installed to the turbine rear frame of the LPT.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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AFT CRADLE ARM SUPPORT

FWD

AFT LPT ENGINE SUPPORT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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ENGINE TRANSPORTATION STAND Training Information Point (3.E.c) The thrust reverser latches may interfer with the engine transportation stand for the RH engine position #2.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

THRUST REVERSER LATCHES

ENGINE STAND

FWD

ENGINE TRANSPORTATION STAND EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

THRUST REVERSER ACTUATOR TOOLING Identification (1.A.a) The thrust reverser actuator tooling is a hand pump and safety equipment used on the thrust reverser actuator. The tool safety feature is the u-channel tool with two quick disconnect pins. Purpose (2.B.b) The purpose of the thrust reverser actuator tooling is to open the thrust reverser by a hand pump , which uses engine oil. Using this system provides a backup safety feature inside the actuator that lowers slowly the thrust reverser in 11.5 seconds. The actuator when fully opened holds the thrust reverser in the open position by a locking collar another safety feature. The additional safety feature is the uchannel tool with two quick disconnect pins that prevents the thrust reverser from closing until them are removed. Equipment C78005-21 Pump - Portable Hand, Thrust Reverser Cowl Opening System

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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FWD

THRUST REVERSER ACTUATOR TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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TORQUE WRENCH Purpose (2.B.b) The purpose of the torque wrench is to correctly torque the engine mount bolts and obtain access to them with the swivel head feature in the strut area.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

ENGINE MOUNT BOLTS

TORQUE WRENCH EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD ENGINE MOUNT Identification (1.A.a) The engine is attached to the strut at two locations. The forward engine mount system and the AFT engine mount.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FWD ENGINE MOUNT

FWD

FORWARD ENGINE MOUNT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT ENGINE MOUNT Identification (1.A.a) The engine is attached to the strut at two locations. The forward engine mount system and the AFT engine mount. The aft engine mount system consists of a mount assembly which is attached to the turbine rear frame, by four bolts. The Aft Mount Assembly includes a left, right center Link, and an evener bar assembly. In conjunction with the engine mounts, a forward thrust link system is utilized to absorb fore and aft engine loads. The two forward arms of the thrust links are located on both sides of the fan frame. The aft linkage attaches to the strut.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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FWD

AFT ENGINE MOUNT

AFT ENGINE MOUNT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT ENGINE MOUNT Identification (1.A.a) The aft engine mount system consists of a mount assembly which is attached to the turbine rear frame, by four bolts. In conjunction with the engine mounts, are attachment points for the AFT boot strap kit and hold open tooling that connect to the strut.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

TR HOLD OPEN CONNECTION BOLT

AFT BOOTSTRAP CONNECTION FWD

AFT ENGINE MOUNT EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

THRUST REVERSER HOLD OPEN TOOLING Identification (1.A.a) The thrust reverser is made in two halves ("C"-Ducts) which are raised open with integral actuators by a hydraulic pump. Once the "C"-Ducts are open, an automatic lock in the actuators holds each "C"-Duct open. The thrust revers actuator locks provide a backup for the locks in the actuators. When removing an engine, the actuators are disconnected and thrust reverser cowl holdopen rods are the only means of holding the "C"-Ducts open. Equipment C78019-15 Equipment - Hold Open, Thrust Reverser Cowl, CFM56-7

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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THRUST REVERSER HOLD OPEN TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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THRUST REVERSER HOLD OPEN TOOLING

Training Information Points (3.E.c) WARNING: DO THESE SPECIFIED TASKS IN THE CORRECT SEQUENCE BEFORE YOU OPEN THE THRUST REVERSER: RETRACT THE LEADING EDGE, DO THE DEACTIVATION PROCEDURES FOR THE THE LEADING EDGE AND THE THRUST REVERSERS (FOR GROUND MAINTENANCE), AND OPEN THE FAN COWL PANEL. IF YOU DO NOT OBEY THE ABOVE SEQUENCE, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.

WARNING: MAKE SURE YOU CORRECTLY ENGAGE EACH ARM SUPPORT INTO THE STRUT ATTACH BEAM. IF YOU DO NOT, THE HOLD-OPEN RODS WILL NOT HOLD THE WEIGHT OF THE THRUST REVERSER. INJURIES TO PERSONS CAN OCCUR. NOTE: Make sure the longer side of the beam assembly faces forward.

NOTE: The hold-open equipment consists of a strut attach beam , two arm supports , two beam assemblies , two retention pins and lock pins and the hold-open equipment is symmetrical between the inboard and outboard sides.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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THRUST REVERSER HOLD OPEN TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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THRUST REVERSER HOLD OPEN TOOLING Identification (1.A.a) The TR hold open tooling is installed to support the thrust reversers before the actuators are disconnected. Purpose (2.B.b) The two adjustment pins of the, (C78005-21), are placed in the compression rod receiver cups on the thrust reversers which holds the TR in the open position.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

FWD

LH SUPPORT TOOLING

TRAINING MANUAL

FWD

RH SUPPORT TOOLING

THRUST REVERSER HOLD OPEN TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

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THRUST REVERSER HOLD OPEN TOOLING Identification (1.A.a) The TR hold open tooling consists of: -2 Beam Assembly -2 Arm Support -2 adjustment pins -Strut Attach Beam Assembly -Pins for attachment

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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THRUST REVERSER HOLD OPEN TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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THRUST REVERSER HOLD OPEN TOOLING Purpose (2.B.b) The purpose of the thrust reverser hold open tooling is to support the thrust reverser during engine change when the actuators are disconnected. The adjustment pins provide the mechanical support of the TR.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

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TR HOLD OPEN TOOL ADJUSTMENT PINS

THRUST REVERSER HOLD OPEN TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

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BOOTSTRAP TOOLING Identification (1.A.a) This section identifies the basic maintenance equipment to support CFM56-7 engine change using the bootstrap method on the 737-600/-700/-800/-900 airplane. Engine installation/removal is most commonly performed using a "bootstrap" hoist assembly and various other ground support equipment items. The engine as removed from the airplane is in the QEC configuration with the inlet cowl, exhaust sleeve and plug attached. Access to the bootstrap hard points is gained through the strut forward thumbnail fairing. The forward fairing has been designed with easy access in mind, there are 7 quick release latches, which secure the fairing to the strut. There is in addition a forward strut access panel located on the aft portion of the forward fairing, this allows access to the starter ducts and pneumatic tubing located on the forward section of the strut.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

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FWD BOOT STRAP TOOLING

BOOTSTRAP TOOLING IN SHIPPING CONTAINER EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

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BOOTSTRAP TOOLING Purpose (2.B.b) The purpose of the bootstrap system is for installation/removal of the engine. The bootstrap equipment is used for removal and installation of the CFM56-7 engine and is used with the cradle. This system is a particular asset where an engine is changed at a remote site. The system includes a forward and an aft arm with lever hoists, dynamometers and engine attach brackets as integral components.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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BOOTSTRAP TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

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FORWARD BOOTSTRAP TOOLING Identification (1.A.a) The forward boot strap tooling consists of the following pieces: -inboard dynamometer -outboard dynamometer -2 chain hoists -Support beam 2 pieces -2 braces -7 Attachment Pins -2 shackles -Dynamometer attachment adapters and pins

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

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FORWARD BOOTSTRAP TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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TRAINING MANUAL

FORWARD BOOTSTRAP ATTACHMENT POINTS Identification (1.A.a) The forward boot strap tooling attachment points. The strut thumbnail fairing is removed to access the attachment points.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD BOOTSTRAP ATTACHMENT POINTS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD BOOTSTRAP CONNECTIONS Identification (1.A.a) The forward boot strap tooling installed on the CFM56-7 strut detail connections.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FWD BOOTSTRAP SUPPORT CONNECTIONS

FWD BOOTSTRAP CONNECTIONS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD BOOTSTRAP CONNECTIONS Identification (1.A.a) The forward boot strap tooling installed on the CFM56-7 strut detail connections.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

Attachment Pin

Safety Pin

Attachment Pins

FORWARD BOOTSTRAP CONNECTIONS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD BOOTSTRAP INSTALLED Identification (1.A.a) The forward boot strap tooling installed on the CFM56-7 strut.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD BOOTSTRAP INSTALLED EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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TRAINING MANUAL

RH BOOTSTRAP CONNECTION Training Information Points (3.E.c) NOTE: After the bootstrap equipment is installed on the airplane, you must use all four persons to remove the power plant. Apply a load to the lever hoists as follows: NOTE: The load values given below include the necessary preload force and the weight of the engine.

1)

The forward inboard dynamometer reads 3700±100 pounds (1682±45 kilograms).

2) The forward outboard dynamometer reads 3200±100 pounds (1454±45 kilograms). 3) The aft dynamometer reads 1100±100 pounds (500±45 kilograms). 4) During installation of the engine, a total preload of 200 pounds (91 kilograms) is required to compress the seal on the engine to the strut. NOTE: Use an 11/16-inch or 15/16 socket to loosen the bolts. EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

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CFM56-7B

TRAINING MANUAL

FWD BOOTSTRAP SUPPORT

RH CHAIN HOIST DYNAMOMETER

RH TRUNNION

RH BOOTSTRAP CONNECTION EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD RH BOOTSTRAP CONNECTION Training Information Points (3.E.c) The forward outboard dynamometer should read 3200±100 pounds (1454±45 kilograms). Engine position number 2, trunnion, is bolted to the fan frame.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FWD

RH CONNECTION TO FAN FRAME

ADJUSTABLE JAM NUT

RH FWD TRUNNION BOLTS

RH BOOTSTRAP CONNECTION EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

BOOTSTRAP CONNECTIONS Training Information Points (3.E.c) - The forward inboard dynamometer reads 3700±100 pounds (1682±45 kilograms). DO NOT APPLY MORE THAN 3850 POUNDS (1750 KG) TO THE FORWARD INBOARD DYNAMOMETER

Note: During installation of the engine, a total preload of 200 pounds (91 kilograms) is required to compress the seal on the engine to the strut.

-The forward outboard dynamometer should read 3200±100 pounds (1454±45 kilograms). DO NOT APPLY MORE THAN 3350 POUNDS (1520 KG) TO THE FORWARD OUTBOARD DYNAMOMETER - The aft dynamometer reads 1100±100 pounds (500±45 kilograms). DO NOT APPLY MORE THAN 1300 POUNDS (590 KG) TO THE AFT DYNAMOMETER. WARNING: IF YOU APPLY MORE THAN THE LIMITS, DAMAGE TO THE POWER PLANT, WING AND STRUT CAN OCCUR. MAKE SURE THERE ARE NO SPIRAL TWISTS IN THE LEVER HOIST CHAIN BETWEEN THE LEVER HOIST. HOUSING AND ITS LOWER BLOCK (THE ATTACH POINT FOR THE DYNAMOMETER). IF YOU SEE A TWIST IN THE CHAIN, YOU MUST REMOVE IT. IF YOU DO NOT REMOVE IT, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

LH TRUNNION

LH DYNAMOMETER CONNECTION

RH DYNAMOMETER CONNECTION

RH TRUNNION

LH DYNAMOMETER CONNECTION

RH DYNAMOMETER CONNECTION

BOOTSTRAP CONNECTIONS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD LH BOOTSTRAP CONNECTION Training Information Points (3.E.c) The forward inboard dynamometer should read 3700 ±100 pounds (1454±45 kilograms). Engine position 2 is shown.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

DYNAMOMETER

LH TRUNNION

FWD LH BOOTSTRAP CONNECTION EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FORWARD LH BOOTSTRAP CONNECTION Training Information Points (3.E.c) The forward inboard dynamometer should read 3700 ±100 pounds (1454±45 kilograms). Engine position 2 is shown.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

FWD LH BOOTSTRAP CONNECTION EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT BOOTSTRAP CONNECTIONS Training Information Points (3.E.c) The aft engine bootstrap system consists of a tooling assembly which is attached to the strut by two pins.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

LH AFT BOOTSTRAP CONNECTION

TRAINING MANUAL

AFT BOOTSTRAP CONNECTIONS

FWD

FWD Attach points

Attach point

AFT BOOTSTRAP CONNECTIONS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT BOOTSTRAP TOOLING Identification (1.A.a) The aft engine bootstrap system consists of a tooling assembly which is attached to the strut by: - Lock pins - Center Beam - Forward support brace - AFT support brace

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT BOOTSTRAP TOOLING EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT BOOTSTRAP CONNECTIONS Identification (1.A.a) The aft engine bootstrap system tooling assembly which is attached turbine rear frame Engine 2 on the RH side support, engine 1 LH side.

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

ENGINE 1 AFT BOOTSTRAP CONNECTION

TRAINING MANUAL

ENGINE 2 AFT BOOTSTRAP CONNECTION

AFT BOOTSTRAP CONNECTIONS EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT BOOTSTRAP RH CONNECTION Identification (1.A.a) The aft engine bootstrap support has a dynamometer and chain hoist to support the aft end of the engine. .

EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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CFM56-7B

TRAINING MANUAL

AFT BOOTSTRAP SUPPORT

AFT CHAIN HOIST

DYNAMOMETER

AFT BOOTSTRAP RH CONNECTION EFFECTIVITY 737-600/700/800/900/BBJ/C40A&B

CFM PROPRIETARY INFORMATION

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