12-21-09
ALL ú ú 07 Page 310 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES
_______ WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO A PERSON OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(f)
Pressurize the left hydraulic system (AMM 29-11-00/201).
(g)
Remove the DO-NOT-OPERATE tag from the flap control lever.
(h)
Move the flap control lever to the zero (FLAPS UP) detent, and permit the TE flaps and LE slats to move to the fully retracted position.
(i)
Remove the pressure from the left hydraulic system
(AMM 29-11-00/201).
S 643-139
(2) Lubricate the Worm Wheel on the TE flap PDU with the steps that follow (Section C-C):
(a)
Remove the two drain covers from the PDU to get to the worm wheel.
(b)
Move the manual override lever on the PDU bypass valve to the usual position (POS 2), if the valve is in the bypass position.
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES
_______ WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO A PERSON OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(c)
Pressurize the left hydraulic system (AMM 29-11-00/201).
(d)
Remove the DO-NOT-OPERATE tag from the flap control lever.
(e)
Move the flap control lever to the 1-unit detent and permit the TE flaps to move to the 1-unit position, and the LE slats to move to the intermediate position.
(f)
Move and hold the manual override lever on the bypass valve for the PDU to the bypass position (POS 1).
(g)
Lubricate the worm wheel.
(h)
Move the manual override lever back to the usual position (POS 2).
(i)
Move the flap control lever to the 20-unit, 25-unit, and 30-unit detents, and at each detent do the steps that follow: 1) Move and hold the manual override lever in the bypass
(POS 1). 2) Lubricate the worm wheel. 3) Move the manual override lever back to the usual position
(POS 2).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-09
ALL ú ú 03 Page 311 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
(j)
Move the flap control lever to the zero (FLAPS UP) detent, and permit the TE flaps and LE slats to move to the fully retracted position.
(k)
Remove the pressure from the left hydraulic system (AMM 29-11-00/201).
(l)
Install the drain covers.
G. Put the Airplane Back to Its Usual Condition
S 093-144
(1)
Remove the DO-NOT-OPERATE tag from the flap control lever, if installed.
S 863-145
(2)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel:
(a)
6D20, ALTN SLAT PWR
(b)
6D23, ALTN FLAP PWR
S 863-146
(3) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
(a)
11B18, WARN ELEX B
(b)
11D31, HYDRAULICS PTU CONT
(c)
11H23, FLAP/SLAT ALTN DR SHUTOFF ARM
(d)
11J18, FLAP LOAD RELIEF
(e)
11J33, WARN ELEX A
S 093-147
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.
(4) Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-21-09
ALL ú ú 03 Page 312 ú May 28/01
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