(h)  
Install the electrical connector on the RAT manual Q switch.

 (i)  
Remove the pressure from the right hydraulic system and reservoir (AMM 29-11-00/201).

 D. Remove the Control Valve (Fig. 401)
 S 034-004
 (1)
Disconnect the electrical connector from the valve motor.

 S 034-005

 (2)  
Disconnect the hydraulic lines from the control valve.

 S 034-006

 (3)  
Put caps on the hydraulic lines.

 S 034-007

 (4)  
Remove the bolts and washers that hold the control valve to the mounting bracket.

 (5)  
Remove the control valve.

 S 024-008
 TASK 29-21-04-424-009
 3. Install the Control Valve for the Ram Air Turbine (RAT)
_______________________________________________________
 A. Consumable Materials
 (1)  D00054 Hydraulic System Lubricant - MCS 352
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757
MAINTENANCE MANUAL

AFT BULKHEAD OF THE
RIGHT WHEEL WELL

SEE A
MOUNTING
BRACKET
RETURN LINE TO THE RIGHT HYDRAULIC SYSTEM
RETURN LINE FROM THE RAT ACTUATOR
BOLT AND WASHER (3 LOCATIONS) PRESSURE LINE TO THE RATFWD ACTUATOR
CONTROL VALVE
B

CONTROL VALVE FOR
THE RAM AIR TURBINE (RAT) ACTUATOR
SEE B
PRESSURE LINE FROM THE RIGHT HYDRAULIC SYSTEM
VALVE VALVE MOTOR FWD
AFT BULKHEAD OF THE RIGHT WEEL WELL
A
ELECTRICAL CONNECTOR
Control Valve Installation
Figure 401

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A

757
MAINTENANCE MANUAL

 B. References
 (1)  
AMM 12-12-01/301, Hydraulic Systems

 (2)  
AMM 12-25-01/301, Exterior Cleaning

 (3)  
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems

 (4)  
AMM 29-21-00/201, Ram Air Turbine (RAT) System

 C.
Access

 (1)  
Location Zones
 198 Wing to Body - Aft Lower Half (Right)
 211/212 Control Cabin

 (2)  
Access Panel
 198MR RAT Compartment

 D.
Install the Control Valve (Fig. 401)

 S 434-010
 (1)  
Set the control valve on the mounting bracket and install the bolts and washers.

 S 644-011

 (2)  
Apply hydraulic lubricant or hydraulic fluid to the O-rings and the threaded fittings.

 S 434-012

 (3)  
Remove the caps and connect the hydraulic lines to the control valve.

 S 434-013

 (4)  
Connect the electrical connector to the valve motor.

 S 864-014

 (5)  
Pressurize the right hydraulic system and reservoir
 (AMM 29-11-00/201).

 (6)  
　
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