757
MAINTENANCE MANUAL
RAM AIR
TURBINE
(RAT)
SEE A DEPLOYMENT ACTUATOR
TOP FOR THE RAM AIR
ATTACHMENT TURBINE
SEE C SEE B
BOTTOM ATTACHMENT
SEE D
RAT STRUT HOUSING
FWD
RAM AIR TURBINE (RAT)
A
Deployment Actuator Installation
Figure 401 (Sheet 1)
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A
757
MAINTENANCE MANUAL
Deployment Actuator Installation
Figure 401 (Sheet 2)
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A
757
MAINTENANCE MANUAL
S 944-022
(8) Install the shipping sleeve on the actuator and place actuator in shipping container.
TASK 29-21-05-424-009
3. Install the Deployment Actuator for the Ram Air Turbine (RAT)_____________________________________________________________
A. Consumable Materials
(1)
D00013 Grease, MIL-G-23827
(2)
D00054 Hydraulic System Lubricant - MCS 352
B.
References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 12-25-01/301, Exterior Cleaning
(3)
AMM 29-21-00/201, Ram Air Turbine (RAT) System
C.
Access
(1)
Location Zone
198 Wing to Body - Aft Lower Half (Right)
(2)
Access Panel
198MR RAT Compartment
D.
Install the Deployment Actuator (Fig. 401)
S 644-025
CAUTION: DO NOT INSTALL AN ACTUATOR THAT DOES NOT HAVE THE SHIPPING
_______ SLEEVE, P/N 1211233-800, AND IS NOT IN THE SHIPPING CONTAINER, P/N 1211233-801. REFER TO FEDERAL AVIATION ADMINISTRATION (FAA) AIRWORTHINESS DIRECTIVE, AD 99-05-10, FOR COMPLETE INFORMATION ON USA FEDERALLY MANDATED RAT ACTUATOR SHIPPING REQUIREMENTS.
(1)
Apply a layer of grease to all of the bushings.
S 944-023
(2)
Remove shipping sleeve from actuator.
S 434-011
(3)
Install the bolt, washer, and bushings to attach the deployment actuator to the actuator support fitting and tighten the bolt as follows:
(a) Tighten the bolt to 620-760 pound-inches.
S 434-012
(4) Install the bolt, washers, bushings, and nut to attach the deployment actuator to the RAT strut housing and tighten the nut as follows:
(a) Tighten the nut to 630-1070 pound-inches.
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