S 865-003-N00
(2)
Make sure the forward thrust levers are in the idle position and the reverse thrust levers are in the stowed position.
(a) Attach the DO-NOT-OPERATE tags on the thrust levers.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 045-034-N00
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(3)
Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
S 865-005-N00
(4)
Supply electrical power (AMM 24-22-00/201).
S 015-006-N00
(5)
Remove the fan cowl panels (AMM 71-11-04/401).
S 015-007-N00
(6)
Remove the core cowl panels (AMM 71-11-06/401).
S 015-047-N00
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSORS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(7)
Open the thrust reverser (AMM 78-31-00/201).
F.
Do the Adjustment of the Thrust Reversers
S 035-009-N00
(1) Remove the shims with the steps that follow:
(a)
Remove the bumper pad shims (12, 19, 24) (7 locations) from the three latch fittings and the torque box latch.
(b)
Remove the shims (1, 3, 5, 7, 16, 17, 29) from the top and bottom compression pads on the two thrust reverser halves.
S 935-010-N00
(2) Attach the temporary shims and clay to find the necessary shim thickness with the steps that follow:
(a)
Attach a temporary .165-inch thick shim on one side and the face of three latch fittings and adjacent to the torque box latch (7 locations, shim 12, 19, 24 locations).
(b)
Apply the 0.20-inch thick clay to the latch fittings and the latch temporary shims on the torque box latch (7 locations, shim 12, 19, 24 locations).
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1.
SHIM
2.
SCREW (2)
3. SHIM
12.
SHIM 8. SCREW (FWD)
13.
BOLT (2) 9. SCREW (AFT)
14.
WASHER (2) 10. WASHER (2)
15. NUT (2)
11. NUT (2)
SEEA SEEA
FWD
RIGHT HAND COWL B-B
Thrust Reverser Adjustment Figure 501 (Sheet 1)
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
1. SHIM
NUT SHIM 5. SHIM 6. SCREW (QTY 2) 4. SCREW (QTY 3) 16. SHIM CSEE 2. SCREW (QTY 2) CSEE
SCREW/ SEE C
BOLT
WASHER
EXAMPLE OF THE SHIM INSTALLATION
A
SCREW
SHIM
SPACER
WASHER
NUT
EXAMPLE OF THE SHIM/SPACER INSTALLATION
B
SHIM
17.
SHIM
18.
SCREW (QTY 2) SEE C
29.
SHIM
30.
SCREW (QTY 2)
SEE C
24. SHIM
SCREW 25. SPACER
FWD LEFT HAND COWL) (3 LOCATIONS -26. SCREW (QTY 2) 27. WASHER (QTY 2) 28. NUT (QTY 2)
SEE B
EXAMPLE OF THE SHIM INSTALLATION
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