CARBON
DETAIL
B
MAIN
PACKING B-B
GEARBOX
STARTER
FWD PAD
B
PULLER
PULLER RING L-3457 Starter Drive Oil Seal Installation Figure 401 (Sheet 2)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 014-002-N00
(5)
Remove the starter (AMM 80-11-01/401).
S 034-003-N00
(6)
Remove the retaining ring that attaches the oil seal to the space in the starter drive pad.
S 494-004-N00
(7)
Install PWA 85204 or PWA 88110 puller to the seal housing.
(a)
Move the puller ring down until the jaws are engaged into the groove.
S 024-005-N00
(8) Remove the oil seal from the starter drive pad with a slide hammer action of the puller.
NOTE: This slide hammer action will cause a larger force than the
____
preformed packing.
S 094-006-N00
(9)
Disengage the puller from the oil seal.
(a)
Discard the packing.
S 034-007-N00
(10) Install a cover on the opening in the starter drive pad.
TASK 72-61-03-404-008-N00
3. Install Starter Drive Oil Seal (Fig. 401)
______________________________
A. Consumable Materials
(1)
D00390 Oil - Engine
B.
References
(1)
AMM 71-00-00/501, Power Plant
(2)
AMM 71-11-04/201, Fan Cowl Panel
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(3)
AMM 71-11-06/201, Core Cowl Panel
(4)
AMM 78-31-00/201, Thrust Reverser System
(5)
AMM 80-11-01/401, Starter
(6)
IPC 72-61-03 Fig. 1
C.
Access
(1)
Location Zone
412 Engine 1 - Main Gearbox Aft Face 5 o'clock
422 Engine 2 - Main Gearbox Aft Face 5 o'clock
422 Engine 3 - Main Gearbox Aft Face 5 o'clock
442 Engine 4 - Main Gearbox Aft Face 5 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
D.
Prepare for the Installation
S 224-009-N00
(1)
Do a check of the clearance between the oil seal face and the bearing housing of the starter drive.
(a)
Make sure that the clearances are in the limits as shown in the table that follows.
~............................................................. | | | NEW PART REFERENCE | CLEARANCE | | | | DIMENSIONS | LIMITS | | PART | | INCHES | INCHES | | NAME | DIA | (MM) | (MM) | | | ............................................... | | | MIN | MAX | MIN | MAX | ............................................................... | SEAL | OD | 3.3570 | 3.3640 | | | | | | (85.268) | (85.445) | 0.0010 | 0.0092 | ......................................... (0.0260) | (0.2340) | | HOUSING | ID | 3.3650 | 3.3662 | | | | | | (85.471) | (85.501) | | | 2.........….....…...........…...........…..........…..........1
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
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