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A
757 MAINTENANCE MANUAL
(c)
11H23, FLAP/SLAT ALTN DR SHUTOFF ARM
(d)
11J18, FLAP LOAD RELIEF
(e)
11J33, WARN ELEX A
S 093-029
WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(7)
Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
S 863-030
(8)
Remove the pressure from the left hydraulic system (AMM 29-11-00/201).
S 863-033
(9)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 12-21-09-603-150
3. Lubricate the Flap Drive Gearboxes, Torque Limiters and Universal Joints
________________________________________________________________________
A. Consumable Materials
(1) D00633 Grease - BMS 3-33 (recommended)
(2) D00013 Grease - MIL-G-23827 (alternative) ú (3) D00014 Grease - MIL-G-21164 (alternative)
B. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 32-00-15/201, Landing Gear Door Locks
(4)
AMM 32-00-20/201, Landing Gear Downlocks
C. Access
(1) Location Zones 143 Left MLG Wheel Well 144 Right MLG Wheel Well 550/650 Wing Trailing Edge - Aft of Rear Spar and Inboard of
Spoiler No. 4 (Left) 9 (Right) 560/660 Wing Trailing Edge - Aft of Rear Spar and Outboard of Spoiler No. 5 (Left) 8 (Right)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757 MAINTENANCE MANUAL
(2) Access Panel
551BB/651BB Landing Gear Actuator
D. Prepare for the Servicing
S 413-154
CAUTION:_______MAKE SURE THE ENGINE-FAN DUCT-COWLING IS CLOSED. IF THE ENGINE-FAN DUCT-COWLING IS NOT CLOSED POSSIBLE DAMAGE COULD OCCUR TO EQUIPMENT.
(1)
Close the engine-fan duct-cowling, if open.
S 863-275
(2)
Pressurize the left hydraulic system (AMM 29-11-00/201).
S 863-151
(3)
Move the flap control lever to the 30 unit detent.
S 213-152
(4)
Make sure the trailing edge (TE) flaps and leading edge (LE) slats are in the fully extended position.
S 493-153
(5)
Attach a DO-NOT-OPERATE tag to the flap control lever.
S 213-155
(6)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 493-156 WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO INSTALL THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(7) Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
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E.
F.
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MAINTENANCE MANUAL
(8) S 863-157If the left hydraulic system is pressurized, remove the pressure from the left hydraulic system (AMM 29-11-00/201).
(9) S 863-158Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags: (a) 6D20, ALTN SLAT PWR (b) 6D23, ALTN FLAP PWR
S 863-159
(10)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11B18, WARN ELEX B
(b)
11D31, HYDRAULICS PTU CONT
(c)
11H23, FLAP/SLAT ALTN DR SHUTOFF ARM
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