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
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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
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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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