(h)
If the RAT UNLOCKED light stays on, do the adjustment for the RAT limit switch (AMM 29-21-17/201).
(i)
Extend the RAT (AMM 29-21-00/201).
(j)
Move the end fittings of the door link to 45 degrees of one another (as they are seen from the end of the door link).
(k)
Tighten the locknut on the door link to 290-510 pound-inches.
(l)
Put a lockwire on the locknut.
S 394-018
(10)
Apply a fillet of sealant on the link pin.
S 864-019
(11)
Retract the RAT (AMM 29-21-00/201).
S 864-020
(12)
Remove the power from the hydraulic system if it is not necessary (AMM 29-11-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-21-10
ALL ú ú 01 Page 405 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
RAT CHECKOUT MODULE AND COMPONENTS - REMOVAL/INSTALLATION
_________________________________________________________
1. General
_______
A. This procedure has these tasks:
(1)
Remove the Checkout Module for the Ram Air Turbine (RAT)
(2)
Remove the Pressure Switch for the Ram Air Turbine (RAT)
(3)
Remove the Filter Element for the Ram Air Turbine (RAT)
(4)
Install the Checkout Module for the Ram Air Turbine (RAT)
(5)
Install the Pressure Switch for the Ram Air Turbine (RAT)
(6)
Install the Filter Element for the Ram Air Turbine (RAT)
TASK 29-21-11-004-016
2. Remove the Checkout Module 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 494-017
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 494-018
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 864-019
(3)
Remove the pressure from the center hydraulic system and the reservoir (AMM 29-11-00/201).
D. Remove the Checkout Module (Fig. 401)
S 034-086
(1) Disconnect the hydraulic lines from the checkout module.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-21-11
ALL ú ú 01 Page 401 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
SEE A
RAT CHECKOUT
MODULE
SEE B 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 2(89)
