(3)  
D50033 Grease, Fluorinated Lubricant (P06-059)

 C.
References

 (1)  
AMM 71-00-00/501, Power Plant

 (2)  
AMM 71-11-04/201, Fan Cowl Panels

 (3)  
AMM 71-11-06/201, Core Cowl Panels

 (4)  
AMM 78-31-00/201, Thrust Reverser System

 (5)  
AMM 80-11-01/401, Starter

 (6)  
IPC 72-61-03 Fig. 1

 D.
Access

 (1)  
Location Zones
 412 Engine No. 1
 422 Engine No. 2
 432 Engine No. 3
 442 Engine No. 4

 (2)  
Access Panels
 415 and 416 Thrust Reverser Halves - Engine No. 1
 425 and 426 Thrust Reverser Halves - Engine No. 2
 435 and 436 Thrust Reverser Halves - Engine No. 3
 445 and 446 Thrust Reverser Halves - Engine No. 4

 E.
Procedure

 S 424-024-N00
 (1)  
Do the steps that follow to install the starter drive coupling
 (Fig. 401):

 (a)  
Remove the dust cap from the engine gearbox.

 CAUTION: BEFORE YOU APPLY FLUORINATED GREASE LUBRICANT (PWA 36230)
_______ TO THE STARTER DRIVE COUPLING, MAKE SURE THE STARTER DRIVE GEARSHAFT SPLINES ARE CLEAN AND NOT DAMAGED. APPLY FLUORINATED GREASE LUBRICANT (PWA 36230) TO THE STARTER DRIVE COUPLING SPLINES TO REDUCE WEAR AND INCREASE THE SERVICE LIFE OF THE PARTS.
 (b)  
Apply Fluorinated Grease Lubricant (P06-059) to the ID and OD splines of the starter drive coupling.

 (c)  
Carefully put the coupling into gearbox drive gearshaft through the inner diameter of the oil seal. 1) Align the splines of the coupling and the gear shaft. 2) Push the coupling into its position.

 (d)  
Lubricate the threads of the nut with Engine Oil (P03-001).

 (e)  
Attach the coupling in its position with the washer and nut.

 NOTE: Do not tighten the nut.
____
 (f)  Put the splined drive of the PWA 26377 holder into starter drive coupling. 1) Attach the PWA 26377 holder to the engine gearbox with the
 two bolts.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(g)  
Put a wrench through the hole in the holder and tighten the nut to 290-325 pound-inches (32.8-36.7 newton-meters).

 (h)
Remove the holder from the engine gearbox.
 S 414-016-N00

 (2)  
Install the starter (AMM 80-11-01/401).

 S 414-027-N00 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, YOU CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (3)  
Close the thrust reversers (AMM 78-31-00/201). S 414-028-N00

 (4)  
Close the core cowl panels (AMM 71-11-06/201). S 444-029-N00

 (5)  
Do the thrust reverser activation procedure (AMM 78-31-00/201). S 414-030-N00

 (6)  
Close the fan cowl panels (AMM 71-11-04/201). S 794-018-N00

 (7)  
Do Test No. 3 - Ground Test - Idle Power (AMM 71-00-00/501).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
MAIN OIL FILTER HOUSING - REMOVAL/INSTALLATION
______________________________________________
 1.  General
_______
 A.  This procedure gives the steps for the removal and the installation of the main oil filter housing.
 B.  The main oil filter housing is on the forward face of the main gearbox at approximately the 8 o'clock position.
 C.  To get access to the main oil filter housing, you can open the left thrust reverser half.
　
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