MAIN GEARBOX (REAR VIEW) A
RETAINING
RING
PACKING
IDG DRIVE
A-A
OIL SEAL
L-A0138Integrated Drive Generator (IDG) Drive Oil Seal Installation Figure 401 (Sheet 1)
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S 044-017-N00 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do this procedure: Thrust Reverser Deactivation for Ground
Maintenance (AMM 78-31-00/201).
S 014-018-N00
(2)
Open the left fan cowl panel (AMM 71-11-04/201).
S 014-019-N00
(3)
Open the left core cowl panel (AMM 71-11-06/201).
S 014-020-N00 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU OPEN THE THRUST
_______ REVERSER. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(4) Open the left thrust reverser (AMM 78-31-00/201).
PACKING MAIN
GROOVE GEARBOX PULLER GROOVE
RETAINING SEALRING CARBON
B
DETAIL
B
B-B
PACKING
IDG PAD
FWD
B
PWA 85203 PULLER PULLER RING
L-3551
Integrated Drive Generator (IDG) 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 IDG (AMM 24-11-01/401).
S 034-003-N00
(6)
Remove the retaining ring that attaches the IDG oil seal to the space in the IDG drive pad.
S 494-004-N00
(7)
Install the PWA 85203 puller to the seal housing.
(a)
Engage the puller jaws in the groove of the seal housing.
(b)
Move the puller ring down until the jaws are engaged into the groove.
S 024-005-N00
(8) Remove IDG oil seal from IDG 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 IDG oil seal.
(a)
Discard the packing.
S 034-007-N00
(10) Install a cover on the IDG pad opening.
TASK 72-61-04-404-008-N00
3. Install Integrated Drive Generator (IDG) Drive Oil Seal (Fig. 401)
_______________________________________________________
A. Consumable Materials
(1)
D00390 Oil - Engine
B.
References
(1)
AMM 24-11-01/401, Integrated Drive Generator (IDG)
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(2)
AMM 71-00-00/501, Power Plant
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 71-11-06/201, Core Cowl Panels
(5)
AMM 78-31-00/201, Thrust Reverser System
(6)
IPC 72-61-00 Fig. 20
C.
Access
(1)
Location Zone
412 Engine 1 - Main Gearbox Aft Face 6:30 o'clock
422 Engine 2 - Main Gearbox Aft Face 6:30 o'clock
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