the oil pump (AMM 49-91-11/601).
 2) Replace the oil pump (AMM 49-91-11/401).

 (b)  
If all the parts from the starter motor clutch are not found, replace the APU (AMM 49-11-00/401).

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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES/MAINTENANCE MANUAL ////////////////////////
TASK 49-41-11-404-007
 3. Starter Motor Installation (Fig. 401)
__________________________
 A. References
 (1)  AMM 49-11-00/201, APU Power Plant
 B. Access
 (1)  
Location Zones
 101 Control Cabin, LH
 205 Electronic Compartment
 703 APU Compartment

 (2)  
Access Panels
 1201 Electronic Equipment Access Door
 3804 APU Cowl Door

 C. Procedure
 S 424-010
 (1)  Install the starter motor to the mount pad on the gearbox assembly:
 (a)  
Install the packing on the mount pad for the starter motor.

 (b)  
Put the starter motor on the accessory drive.

 (c)  
Put the starter motor at an angle.

 (d)  
Turn the starter motor shaft until the starter motor shaft engages the accessory drive shaft.

 (e)  
Carefully install the starter motor on the mount pad with the washers and the nuts.

 (f)  
Tighten the nuts to 70-90 pound-inches (7.9-10.2 N.m).

 S 434-011
 CAUTION: MAKE SURE YOU CONNECT THE ELECTRICAL LEADS TO THE STARTER MOTOR
_______ TERMINALS CORRECTLY. AN ELECTRICAL LEAD THAT IS INCORRECTLY ATTACHED CAN CAUSE DAMAGE TO THE APU WHEN THE APU IS STARTED.
 (2)  Connect the electrical leads to the applicable starter motor terminals:
 (a)  
Remove the tags from the starter motor terminals and the electrical leads.

 (b)  
Put the electrical leads on the applicable starter motor terminal.

 (c)  
Install the nuts on the starter motor terminals.

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(d)  Tighten the nuts for the starter motor terminals to 75 pound-inches (8.5 N.m).
 S 864-020
 (3)  Set the circuit breaker and the switch:
 (a)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker: 1) E3-3 Electrical Shelf, APU Control Unit

 (b)  
Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.

 S 914-018
 (4)  
Start and operate the APU (AMM 49-11-00/201).

 S 914-019

 (5)  
Do the APU usual shutdown (AMM 49-11-00/201).

 S 414-016
 CAUTION: KEEP A MINIMUM CLEARANCE OF 0.18 INCHES (5 MM) BETWEEN THE
_______ ENGINE, FIRE DETECTOR, CLAMPS AND LOWER SHROUD.
 BE CAREFUL WHEN YOU MOVE THE LOWER SHROUD.  DAMAGE TO THE
 SHROUD DRAIN LINES CAN OCCUR.
 (6)  Install the lower shroud: (a) Hold the lower shroud against the upper shroud. (b) Close the shroud latches.
 S 414-014
 (7)  Close the APU cowl door: (a) Disconnect the door support rods. (b) Put the door support rods in the clips on the APU cowl door. (c) Close the APU cowl door. (d) Close the latches for the APU cowl door.

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