S 034-021-N00

 (8)  
ENGINES PRE-PW-SB 72-375; Remove the lock ring (2).

 S 494-022-N00

 (9)  
Install the PWA puller with the steps that follow:

 (a)  
Retract the hexagon head bolt on the rotor puller.

 (b)  
Loosen the two socket head screws.

 (c)  
ENGINES PRE-PW-SB 72-375;
 Put the two puller jaws on the rotor (3).

 (d)  
ENGINES POST-PW-SB 72-375; Put the two puller jaws in the puller groove on the rotor (3).

 (e)  
Push the constraining ring on and against the puller jaws
 shoulder.

 S 434-066-N00
 (10)
 Tighten the two socket head screws.

 S 434-034-N00

 (11)
 Tighten the hexagon head bolt until the rotor comes away from the drive shaft.

 NOTE: The puller and rotor can turn when you tighten the
____ hexagon head bolt. If you hold a rod or a punch in one of the holes in the puller jaws while the bolt is tightened, the rotor will not turn.
 S 024-023-N00
 (12)
 Remove the rotor (3) and puller from the drive shaft.

 (13)
 Loosen the hexagon head bolt.

 S 034-065-N00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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S 034-064-N00
 (14)
 Loosen the two socket head screws.

 S 024-024-N00

 (15)
 Pull the constaining ring from the puller jaws shoulder.

 S 024-035-N00

 (16)
 Remove the rotor (3) from the puller.

 S 034-022-N00

 (17)
 Install the protection cap on the EEC alternator drive pad.

 TASK 73-21-05-404-023-N00
 4. Install the EEC Alternator (N2 Transducer) Rotor (Fig. 403)
________________________________________________
 A. Special Tools and Equipment
 (1)  
PWA 85238 - Wrench holder (Engines PRE-PW-SB 72-375),
 Pratt & Whitney, Commercial Products Division,
 400 Main Street, East Hartford, CT 06108

 (2)  
PWA 86603 - Adapter, Wrench (Engines POST-PW-SB 72-375),
 Pratt & Whitney

 B.
Consumable Materials

 (1)  
D00137 PWA 521 - Engine Oil

 C.
Parts

 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | | 3 | EEC Alternator Rotor | 73-21-05 | 05 | 35 | 2.....….........…...................................…..........…......…........1
 D. References
 (1)  
AMM 70-23-00/201, Tightening Techniques and Torque Values

 (2)  
WDM 73-21-15, 73-21-25, 73-21-35, 73-21-45, 77-12-21, 77-12-22, 77-12-23, 77-12-24

 (3)  
SSM 73-21-01, 77-12-02

 E.
Access

 (1)  
Location Zone
 412 Engine 1 - Main Gearbox Aft Face 6 o'clock
 422 Engine 2 - Main Gearbox Aft Face 6 o'clock
 432 Engine 3 - Main Gearbox Aft Face 6 o'clock
 442 Engine 4 - Main Gearbox Aft Face 6 o'clock

 (2)  
Access Panel
 415 and 416 Thrust Reverser Halves - Engine 1
 425 and 426 Thrust Reverser Halves - Engine 2
 435 and 436 Thrust Reverser Halves - Engine 3
 445 and 446 Thrust Reverser Halves - Engine 4

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
F.  Install the Rotor
 S 434-025-N00
 (1)  Remove the protection cap from the EEC alternator drive pad.
 S 424-072-N00
　
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