S 434-092
(2)
Install a new O-ring on the pressure switch.
S 434-093
(3)
Remove the cap from the opening in the filter module.
S 424-094
(4)
Install the pressure switch on the filter module.
S 434-095
(5)
Tighten the pressure switch to 90-125 pound-inches.
S 434-096
(6)
Safety the pressure switch with a lockwire.
S 434-097
(7)
Install the electrical connector on the pressure switch.
I.
Install the Check Valves (Fig. 401)
S 644-098
(1)
Apply hydraulic lubricant or hydraulic fluid to the new O-rings, the backup rings, and the threads of the check valve.
S 434-099
(2)
Install new O-rings on check valve.
S 434-100
(3)
Remove the cap from the opening in the filter module.
S 424-101
(4)
Install the check valve on the filter module.
S 434-102
(5)
Tighten the check valve to 710-760 pound-inches.
S 434-103
(6)
Safety the check valve with a lockwire.
J.
Put the Airplane Back to Its Usual Condition
S 864-104
(1) Push the indicator button, on the differential pressure indicator, until it aligns with the adjacent surface.
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29-11-19
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL
(2) S 864-105Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11: (a) 11K15, HYDRAULICS ELEC PUMP C1 (b) 11K24, HYDRAULICS ELEC PUMP C2
(3) S 864-106Pressurize the center hydraulic system and the reservoir (AMM 29-11-00/201).
(4) S 794-107Make sure there are no leaks at the filter module.
(5) S 864-108Remove hydraulic power if it is not necessary (AMM 29-11-00/201).
S 114-109
CAUTION: QUICKLY CLEAN THE INSTALLATION AREA OF ALL HYDRAULIC FLUID.
_______ THE HYDRAULIC FLUID CAN CAUSE DAMAGE TO THE AIRPLANE EQUIPMENT.
(6)
Clean all the hydraulic fluid from the installation area (AMM 12-25-01/301).
S 614-110
(7)
Fill the reservoir in the center hydraulic system (AMM 12-12-01/301).
S 414-111
(8) 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(229)
