S 496-005
(4)
For the left or right hydraulic system, make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
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757 MAINTENANCE MANUAL
S 496-006
WARNING: DO 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.
(5)
For the left or right hydraulic system, open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 416-007
(6)
For the center hydraulic system, open the access panel, 197KL, for the central hydraulic service center (AMM 06-41-00/201).
S 866-008
(7)
Operate all the flight controls, 6 to 8 times, to let the fluid flow through all the systems.
NOTE: You must get the sample in less than one hour after you stop
____
the hydraulic system.
S 866-009
(8)
Remove the pressure from all the hydraulic systems and the
reservoirs (AMM 29-11-00/201).
H.
Hydraulic Fluid Check
S 686-010
(1)
Open the sampling valve on the reservoir to supply a smooth flow of fluid.
S 686-011
(2)
Drain a minimum of one pint of hydraulic fluid before you get a sample.
(3)
Remove the cap from the polyethylene bottle or glass bottle.
S 686-013
(4)
Put the bottle in the fluid flow but do not touch the sampling valve.
(5)
When the bottle is full, remove the bottle from the fluid flow.
S 686-012
S 686-014
NOTE: Do not close the sampling valve while the bottle is in the
____ fluid flow. This can loosen the contamination which can get into the sample.
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MAINTENANCE MANUAL
(6) S 686-016Install the cap on the bottle. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 1(13)
