757 MAINTENANCE MANUAL
S 434-064
(4)
Tighten the filter element case to 270-300 pound-inches.
S 434-065
(5)
Safety the filter element case with a lockwire.
G. Install the Differential Pressure Indicator (Fig. 401)
S 644-066
(1)
Apply hydraulic lubricant or hydraulic fluid to the new O-rings and the threads of the differential pressure indicator.
S 434-067
(2)
Install the new O-rings on the differential pressure indicator.
S 434-068
(3)
Remove the cap from the opening in the filter module.
S 424-069
(4)
Install the differential pressure indicator on the filter module.
S 434-070
(5)
Tighten the differential pressure indicator to 50-75 pound-inches.
S 434-071
(6)
Safety the differential pressure indicator with a lockwire.
H. Install the Check Valve (Fig. 401)
S 644-072
(1)
Apply hydraulic lubricant or hydraulic fluid to the new O-rings, the backup rings, and the threads of the check valve.
(2)
Install the new O-rings and the backup rings on the check valve.
(3)
Remove the cap from the opening in the filter module.
S 434-073
S 434-074
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29-11-18
ALL ú ú 01 Page 409 ú Jan 20/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 424-075
(4)
Install the check valve on the filter module.
S 434-076
(5)
Tighten the check valve to 100-125 pound-inches.
S 434-077
(6)
Safety the check valve with a lockwire.
I.
Install the Pressure Switch (Fig. 401)
S 434-078
(1)
Apply hydraulic lubricant or hydraulic fluid to the new O-ring and the threads of the pressure switch.
S 434-079
(2)
Remove the cap from the opening in the filter module.
S 424-080
(3)
Install the pressure switch on the filter module.
S 434-081
(4)
Tighten the pressure switch to 50-75 pound-inches.
