49-11-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES/MAINTENANCE MANUAL ////////////////////////
S 862-171
 (11) 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 712-022
 (12) Do the APU operation test (AMM 49-11-00/501).
 S 412-023
 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.
 (13) Install the lower shroud:
 (a)  
Hold the lower shroud against the upper shroud.

 (b)  
Close the shroud latches.

 S 412-024
 (14) 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.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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APU POWER PLANT - REMOVAL/INSTALLATION
______________________________________
 1.  General
_______
 A.  This procedure gives the tasks for the removal and the installation of the APU power plant. The APU engine, the AC electrical generator, and the engine mounting brackets make up the APU power plant.
 B.  You can use this procedure to replace the APU engine, the engine mounting brackets, or the AC electrical generator. You can remove the generator with the APU installed, but the generator removal is easier with the APU removed.
 C.  You can get access to the APU through the APU cowl door.
 TASK 49-11-00-004-001
 2.  APU Power Plant Removal (Fig. 401)
_______________________
 A.  Special Tools and Equipment
 (1)  
F80114-25 Assembly - APU Cradle

 (2)  
F80114-1 Assembly - APU Cradle (optional to the F80114-25 APU Cradle)

 (3)  
PF51-003-1 Assembly - Hoist, PF Industries, 9320 15th South, Seattle, Washington 98108

 (4)  
AP6108 Hoist - (Optional to the PF51-003 hoist) Morgan Aero Products, 2719 Pacific Avenue, Everett, WA 98201

 (5)  
F80039-1 Assembly - Hoist (optional to the PF51-003 hoist)

 (6)  
F72950-138 Dolly - Transportation

 B.  Standard Tools and Equipment
 (1)  Container - 3 U.S. Gallon (11 Liter) capacity, for fuel
 C.  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

 D.  Procedure
 S 864-002
 (1)  Set the switch and the circuit breakers:
 (a)  
Set the APU master switch on the P5 forward overhead panel to the OFF position and attach a DO-NOT-OPERATE tag.

 (b)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 1)  P6-2 Load Control Center a) FIRE PROTECTION DETECTION, APU
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
BLEED LOAD CONTROL AIR LINE FITTING SEE A
EGT RECEPTACLE
SEE B UPPER SHROUD BLEED
RECEPTACLE FOR AIR DUCT THE STARTERETC RECEPTACLE
　
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