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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 044-019-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 014-020-N00
(2)
Open the left fan cowl panel (AMM 71-11-04/201).
S 014-021-N00
(3)
Open the left core cowl panel (AMM 71-11-06/201).
S 014-022-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 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).
S 034-003-N00
(5)
Remove the deoiler outlet tube as follows:
(a)
ENGINES POST-PW-SB 72-275; Remove the three bolts and clip-spring bracket that attach the deoiler outlet tube to the rear of the main gearbox.
(b)
ENGINES PRE-PW-SB 72-275; Remove the three bolts that attach the deoiler outlet tube to the rear of the main gearbox.
(c)
Loosen the clamp bolt that attaches the tube for the main oil filter to the bracket, and slide bracket clear of deoiler outlet tube. 1) Move the bracket away from the deoiler outlet tube.
(d)
Remove the bolts, nuts, and clamps that attach the deoiler outlet tube to the Flange M and Flange N brackets.
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(e)
Move the bracket that holds the EEC alternator leads away from the deoiler outlet tube. 1) Remove the deoiler outlet tube from the engine
(f)
Remove and discard the packing.and place protective closures on tube openings.
(g)
Put caps on the tube openings.
S 034-004-N00
(6)
Remove the retaining ring that keeps the seal in its position in the ejector port.
S 494-005-N00
(7)
Install PWA 85204 or PWA 88110 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 in the groove.
S 024-006-N00
(8) Remove the deoiler seal from the ejector port with a slide hammer action of puller.
NOTE: The slide hammer action will cause a larger force than the
____
preformed packing.
S 094-007-N00
(9)
Disengage the puller from the deoiler seal.
(a)
Discard the packing.
S 034-008-N00
(10) Install a cap on the ejector port opening.
TASK 72-61-02-404-009-N00
3. Install the Deoiler Drive Oil Seal (Fig. 401)
__________________________________
A. Special Tools and Equipment
(1) PWA 85204 - Puller, Pratt & Whitney, Commercial Products Division, 400 Main Street, East Hartford, CT 06108
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
B. Consumable Materials
(1)
D00390 Oil - Engine
(2)
G00964 Compound - Antigalling, Fel-Pro C-200
C.
References
(1)
AMM 71-00-00/501, Power Plant
(2)
AMM 71-11-04/201, Fan Cowl Panel
(3)
AMM 71-11-06/201, Core Cowl Panels
