CFM CFM56-2 - Core Engine Rotation

EFFECTIVITY
ALL CFM56 ENGINES
CFMI PROPRIETARY INFORMATION
CFM56-ALL TRAINING MANUAL
REQUIREMENTS
BORESCOPE INSPECTION
Page 66
Sep 03
CORE ENGINE ROTATION
(-5A, -5B, -5C) :
Two pads on the accessory gearbox (AGB) are used to
rotate the core engine:
- The handcranking pad
- The starter pad for motor-driven rotation
The handcranking pad is located on the front face of the
AGB .
The starter pad is located on the rear face of the AGB.
Refer to the AMM (72-63-00) or (80-11-10) for
procedures to remove the handcranking pad cover or the
starter.
(-3, -7B) :
A pad is available on the front face of the AGB, to perform
either manual or motor-driven core engine rotation.
(-2) :
A pad is available on the left side of the transfer gearbox
(TGB), to perform either manual or motor-driven core
engine rotation.
(ALL) :
Manual method:
- Insert a  inch square drive socket attached to a 2ft.
long breaker bar into the handcranking drive pad.
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