O-RING
PRESSURE
O-RING
ELECTRICAL FILTER CAP CASE DRAIN
CONNECTOR HYDRAULIC
FILTER CAP LINES
B
RAT Checkout Module Installation Figure 401
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29-21-11
ALL ú ú 01 Page 402 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 034-020
(2)
Install caps on the hydraulic lines and the ports of the checkout module.
S 034-021
(3)
Disconnect the electrical connector from the pressure switch.
S 024-022
(4)
Remove the bolts which attach the checkout module to the support bracket.
S 024-023
(5)
Remove the checkout module.
TASK 29-21-11-004-024
3. Remove the Pressure Switch for the Ram Air Turbine (RAT)________________________________________________________
A. References
(1)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(2)
AMM 32-00-15/201, Main Gear Door Locks
(3)
AMM 32-00-20/201, Landing Gear Downlocks
SIZING DIE TOOL
BACKUP
RETAINERS
TYPICAL FILTER ELEMENT
A
757
MAINTENANCE MANUAL
B. Access
(1)
Location Zone
144 Right MLG Wheel Well
730/740 Main Landing Gear and Doors
C.
Prepare for Removal
S 494-025
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 494-026
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.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 864-027
(3)
Remove the pressure from the center hydraulic system and the reservoir (AMM 29-11-00/201).
D.
Remove the Pressure Switch (Fig. 401)
S 034-028
(1)
Disconnect the electrical connector from the pressure switch.
S 024-029
(2)
Remove the pressure switch from the checkout module.
S 034-030
(3)
Install a cap in the port on the checkout module.
TASK 29-21-11-004-031
4. Remove the Filter Elements for the Ram Air Turbine (RAT)
________________________________________________________
A. References
(1)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(2)
AMM 32-00-15/201, Main Gear Door Locks
(3)
AMM 32-00-20/201, Landing Gear Downlocks
B.
Access
(1)
Location Zone
144 Right MLG Wheel Well
730/740 Main Landing Gear and Doors
C.
Prepare for Removal
S 494-032
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
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本文链接地址：757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 2(90)
