757 MAINTENANCE MANUAL
D. Remove the Shuttle Valve.
S 034-006
(1)
Disconnect the electrical connector from the valve.
S 434-007
(2)
Install a cap on the connector.
S 034-008
(3)
Disconnect the hydraulic lines from the valve.
S 434-009
(4)
Install plugs in the lines and fittings.
S 034-010
(5)
Remove the bolts that attach the valve to the bracket (Detail B).
S 024-011
(6)
Remove the valve.
TASK 32-32-17-404-012
3. Install the Shuttle Valve (Fig. 401)_________________________
A. References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(4)
AMM 32-00-15/201, Landing Gear Door Locks
B.
Access
(1)
Location Zones
551 Wing Trailing Edge (Left)
651 Wing Trailing Edge (Right)
C.
Procedure to Install the Shuttle Valve
S 424-013
(1) Install the bolts, washers, and nuts to connect the valve to the bracket (Detail B). Install both of the bolts before you tighten them. Install a washer behind both the boltheads and the nuts.
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S 864-014
(2)
Make sure that pressure is removed from the left hydraulic system and the reservoir (AMM 29-11-00/201).
S 434-015
(3)
Connect the hydraulic lines to the valve.
S 434-016
(4)
Connect the electrical connector to the valve.
S 864-017
(5)
Close this circuit breaker on the overhead circuit breaker panel, P11:
(a)
11G11, AUTO SPEEDBRAKE
D.
Do the steps that follow to make sure the valve is installed correctly:
S 864-018
(1)
Pressurize the left hydraulic system (AMM 29-11-00/201).
S 864-019
(2)
Supply electrical power (AMM 24-22-00/201).
S 864-020
(3)
Put the speedbrake lever in ARMED.
S 214-021
(4)
Make sure the AUTO SPDBRK light on the pilots' overhead panel, P5, is off.
(5)
Move the control lever for the landing gear from OFF to DN.
(6)
Make sure the valve does not have any hydraulic leaks.
S 864-022
S 214-023
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E. Put the Airplane Back to Its Usual Condition
S 864-024
(1) Make sure the fluid in the hydraulic reservoir is at the correct level. Fill if it is necessary (AMM 12-12-01/301).
S 094-025
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Remove the door locks from the landing gear and close the doors (AMM 32-00-15/201).
S 864-026
(3)
Remove the pressure from the left hydraulic system if it is not necessary (AMM 29-11-00/201).
(4)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 864-027
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MAIN GEAR TRUCK POSITIONER SHUTTLE VALVE - ADJUSTMENT/TEST
__________________________________________________________
1. General_______
A. This procedure has a task to do a leak check of the truck positioner shuttle valve for the main landing gear.
TASK 32-32-17-795-028
2. Leak Check of the Truck Positioner Shuttle Valve (Fig. 501, 502)________________________________________________
A. References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(4)
AMM 32-00-15/201, Landing Gear Door Locks
(5)
AMM 32-00-20/201, Landing Gear Downlocks
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 2(65)
