the accessory gearbox (AGB) housing. 2) Use the jackscrews to remove the gearshaft from the AGB.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
CONTROL ALTERNATOR
FWD
A
S-M56-MM-0913-(1)-00-B
Accessory Gearbox Control Alternator Gearshaft Replacement Figure 801 (Sheet 1)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
A
O-RING
ARE GONE RIVETS WHICH
A ALTERNATOR CONTROL DRIVE SHAFT HORIZONTAL
BOLTS
PAD (REF) ROTATION N2 ROTOR WASHERS
FWD
A-A
S-M56-MM-0914-(1)-00-B-(MOD) Accessory Gearbox Control Alternator Gearshaft Replacement Figure 801 (Sheet 2)
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
3) 4) Remove the jackscrews and the O-ring. a) Discard the O-ring.Put the removed parts in a stowage box.
S 428-005-C00
(4) Do these steps to install the control alternator: (a) Lubricate a new O-ring with engine oil and install it on the bearing housing. (b) Move the gearshaft assembly into the AGB. 1) Make sure you align the gear tooth and the offset hole. (c) Lubricate the bolts and washers with grease (CP2101). (d) Install the bolts and washers to attach the gearshaft assembly to the AGB.
(e) (f) Tighten the bolts to 92-106 pound-inches (11-12 Newton meters). 1) Install a lockwire.Install the TGB (AMM 72-62-01/401).
S 428-006-C00
(5) Install the N2 control alternator (AMM 73-21-08/401).
S 798-007-C00
(6) Do the leak check that is shown in the Power Plant Reference Table (AMM 71-00-00/501).
S 418-008-C00
(7) Close the left fan cowl (AMM 71-11-02/201).
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