(2)
Install the rotor (3) fully against the drive shaft.
S 434-027-N00
(3)
ENGINES PRE-PW-SB 72-375;
Install the lock ring (2) on the drive shaft as follows:
(a)
Align the ID flats on the lock ring (2) with the flats on the drive shaft.
(b)
Engage the pins on the lock ring (2) with the holes in the EEC alternator rotor (3).
S 644-036-N00
(4)
Lubricate the threads of the nut (1) with engine oil.
S 434-028-N00
(5)
Install the nut (1) on the drive shaft.
S 494-029-N00
(6)
Install the PWA 85238 wrench holder or PWA 86603 wrench adapter with the steps that follow:
NOTE: The following steps refer to the PWA 85238 wrench holder or
____ the PWA 86603 wrench adapter. The wrench holder is for engines PRE-PW-SB 72-375 and the wrench adapter is for engines POST-PW-SB 72-375. "PWA wrench" is used to describe both types in this procedure.
(a)
Loosen the jamnuts on the shaft with the threads.
(b)
Retract the shaft from the body of the PWA wrench.
(c)
Install the handle on the lug end of the shaft.
1) Make sure the lug end of the handle points in the same direction as the lugs on the shaft.
(d)
Put the PWA wrench on the EEC alternator drive pad with the bolt holes aligned.
(e)
Engage the lugs of the shaft with the mating slots in the drive shaft for the EEC alternator. 1) Attach the body of the wrench to the drive pad with the
bolts which are included with the PWA wrench.
(f)
Install the shaft tightly against the drive shaft.
1) Tighten the jamnuts to attach the shaft.
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S 494-037-N00
(7) Engage the lugs of the handle for the wrench with the mating lugs on the nut (1) to tighten the nut.
S 434-031-N00
CAUTION: WHEN YOU USE THE PWA WRENCH, YOU MUST ADJUST THE TORQUE WRENCH
_______ VALUE. IF YOU DO NOT ADJUST THE TORQUE WRENCH VALUE, YOU WILL USE AN INCORRECT TORQUE WHICH CAN CAUSE DAMAGE TO THE THREADS OF THE NUT.
(8) Use the correct torque to tighten the nut (1) (AMM 70-23-00/201).
NOTE: You must turn the handle in many steps because the handle
____ movement has a limit. You must disengage and engage the handle with the nut for each handle movement.
(a)
Tighten the nut (1) to 675-800 pound-inches (76.3-90.4 newton-meters).
(b)
Loosen the nut (1) to 0 torque.
(c)
Tighten the nut (1) to 675-800 pound-inches (76.3-90.4 newton-meters).
S 094-031-N00
(9)
Remove the bolts which attach the wrench to the drive pad.
S 094-038-N00
(10)
Remove the wrench.
S 414-032-N00
(11)
Install the EEC alternator stator (Ref the task below).
TASK 73-21-05-404-033-N00
5. Install the EEC Alternator (N2 Transducer) Stator
_________________________________________________
A. Special Tools and Equipment
(1)
PWA 85749 Adapter - Electrical Harness Connector, Pratt & Whitney, Commercial Products Division, 400 Main Street, East Hartford, CT 06108 (optional)
B.
Consumable Materials
(1)
G00964 Compound - Antigalling, Fel-Pro C-200
(2)
D00009 Compound - Antiseize, MIL-M-7866, Powdered Molykote Type Z
(3)
D00137 PWA 521 - Engine Oil
(4)
D00250 Petrolatum White, VV-P-236
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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