Thrust Reverser Sleeve Sling Installation
Figure 402
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78-31-10
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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CAUTION: DO NOT LET THE ROD ENDS OF THE HYDRAULIC ACTUATOR TURN WHEN YOU
_______ REMOVE THE BOLTS. IF THE ROD ENDS TURN, THE ROD ENDS ARE NOT ALIGNED WITH THE HYDRAULIC ACTUATOR, BODY OR WORMGEAR.
(5) Remove the cotter pin, nut, washer and bolt which attach the rod end to the thrust reverser sleeve (AMM 78-31-13/401).
(a) Attach the rod ends to prevent movement.
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WARNING: HOLD THE BLOCKER DOOR WHEN YOU DISCONNECT IT FROM THE DRAG
_______ LINK. THE BLOCKER DOOR IS FREE TO TURN ON ITS HINGES AND CAUSE INJURY TO YOU AND DAMAGE TO THE FAN COWL.
(6) Disconnect the drag links from the blocker doors (AMM 78-31-15/401).
(a) Wind a clean cloth around the drag link and attach it to the
inner wall of the fan cowl with tape.
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(7)
Put the blocker door in the stowed position and attach it to the thrust reverser sleeve with tape (AMM 78-31-15/401).
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(8)
Remove the maximum extension stop blocks attached to the upper and lower auxiliary tracks.
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CAUTION: DO NOT OPEN THE THRUST REVERSER MORE THAN THE 23-DEGREE
_______ POSITION WITH THE THRUST REVERSER SLEEVE EXTENDED. DAMAGE TO THE THRUST REVERSER SLEEVE OR THE STRUT CAN OCCUR IF THE THRUST REVERSER IS OPENED TO THE 45-DEGREE POSITION.
(9) Open the thrust reverser to the 23 degrees position (AMM 78-31-00/201).
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CAUTION: MAKE SURE THE WEIGHT OF THE THRUST REVERSER SLEEVE IS FULLY
_______ HELD BY THE GROUND SUPPORT EQUIPMENT BEFORE YOU REMOVE IT. IF YOU DO NOT DO THIS, YOU CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(10) Use the sling to hold the thrust reverser sleeve.
(a)
Attach the hoist to the sling loop which has a mark for the
inboard or outboard thrust reverser sleeve.
(b)
Make sure the weight of the thrust reverser sleeve is fully
held by the sling.
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78-31-10
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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(11)
Move the thrust reverser sleeve rearward to remove it.
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(12)
Examine the track liners of the thrust reverser (AMM 78-31-11/601).
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(13)
Examine the track sliders of the thrust reverser (AMM 78-31-13/601).
TASK 78-31-10-404-017-N00
3. Install the Thrust Reverser Sleeve
__________________________________
A. Special Tools and Equipment
(1)
A78008-16 - Sling, Thrust Reverser Sleeve
(2)
A20001-79 - Hoist
(3)
A20001-65 - Hoist, Arm Extension
B.
Consumable Materials
(1)
A00247 - Pressure, Environment, and Fuel Cavity Sealant (BMS 5-95)
(2)
B00135 - Naptha
C.
References
(1)
AMM 71-11-04/201, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 71-11-06/401, Core Cowl Panels
(4)
AMM 78-31-00/201, Thrust Reverser System
(5)
AMM 78-31-00/501, Thrust Reverser System
(6)
AMM 78-31-15/401, Thrust Reverser Blocker Door Drag Links
(7)
IPC 78-31-10 Fig. 1
D.
Access
(1)
Location Zone 415 and 416 Engine 1 - Thrust Reverser Halves 425 and 426 Engine 2 - Thrust Reverser Halves 435 and 436 Engine 3 - Thrust Reverser Halves 445 and 446 Engine 4 - Thrust Reverser Halves
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