(2)
AMM 12-25-01/301, Exterior Cleaning
(3)
AMM 29-21-00/201, Ram Air Turbine (RAT) System
C. Access
(1)
Location Zones
198 Wing to Body - Aft Lower Half (Right)
(2)
Access Panel
198MR RAT Compartment
D. Install the Safety Valve (Fig. 401)
S 434-010
(1)
Hold the safety valve on the mounting bracket and install the bolts and washers.
S 644-011
(2)
Apply a layer of hydraulic fluid or hydraulic lubricant to the O-rings and the threads on the hydraulic line fittings.
(3)
Connect the hydraulic lines to the safety valve.
(4)
Connect the electrical connector to the safety valve.
(5)
Retract, then extend the RAT (AMM 29-21-00/201).
S 434-012
S 434-013
S 864-014
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-21-14
ALL ú ú 01 Page 403 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 214-015
(6) Do a check for leakage at the connections on the safety valve.
S 164-016 CAUTION: QUICKLY CLEAN THE AREA AROUND THE SAFETY VALVE OF ALL HYDRAULIC
_______ FLUID. HYDRAULIC FLUID CAN CAUSE DAMAGE TO THE AIRPLANE EQUIPMENT.
(7)
Clean all hydraulic fluid from the area of the safety valve (AMM 12-25-01/301).
S 864-017
(8)
Retract the RAT (AMM 29-21-00/201). S 614-018
(9)
Fill the right system reservoir (AMM 12-12-01/301).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-21-14
ALL ú ú 01 Page 404 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
RAM AIR TURBINE (RAT) TACHOMETER SPEED SENSOR - REMOVAL/INSTALLATION
____________________________________________________________________
1. General_______
A. This procedure contains two tasks, one to remove and one to install the speed sensor on the tachometer for the ram air turbine (RAT).
TASK 29-21-15-024-001
2. Remove the Speed Sensor for the Ram Air Turbine (RAT)_____________________________________________________
A. References
(1) AMM 29-21-00/201, Ram Air Turbine (RAT) System
B. Access
(1)
Location Zones
198 Wing to Body - Aft Lower Half (Right)
(2)
Access Panel
198MR RAT Compartment
C. Remove the Speed Sensor (Fig. 401)
S 864-002
(1)
Extend the RAT (AMM 29-21-00/201).
S 034-003 中國(guó)航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 液壓 CHAPTER 29 - HYDRAULIC POWER 2(96)
