136  Wing Landing Gear Well - Right (Aft Bulkhead, Wing Gear Wheel Well)
 C. Install the Servo Control Valve
 S 492-139
 (1)  Make sure the ground locks are installed in all landing gear (AMM 09-11-00/201).
 S 492-140
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMGE TO EQUIPMENT.
 (2)  Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
 S 432-142
 CAUTION: BE CAREFUL TO KEEP ALL CONTAMINATION OUT OF THE AUTOBRAKE
_______ PRESSURE-CONTROL MODULE, IT CAN CAUSE DAMAGE TO THE MODULE.
 (3)  
Put a new seal plate on the module.

 S 422-072

 (4)  
Put the control valve in its position and install the screws

 (4 locations). Tighten the screws to the torque specified below: ~.................................................................... | CONTROL VALVE | SERIAL NUMBER |SERIAL NUMBER | | PART NO. | WITHOUT SUFFIX |WITH SUFFIX "A" | ...................................................................... | 78046 | 95 - 100 pound-inches |65 - 70 pound-inches| ...................................................................... | 78046-01 | 95 - 100 " |65 - 70 " | ...................................................................... | 78046-02 | 95 - 100 " |65 - 70 " | ...................................................................... | 78046-03 | 65 - 70 " |N/A | 2..................…............................…....................1
 S 432-073
 (5)  Safety the control valve with a lockwire.
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 32-42-11
 ALL  ú ú 03 Page 212 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 862-156
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER, THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (6)  
Pressurize hydraulic system No. 4 and the reservoir
 (AMM 29-11-00/201).

 S 862-143

 (7)
Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 (a)  
P180 DC Power Distribution Panel
 1) 180J25, AUTOBRAKE

 S 712-144
 (8)  
Do the Brake System BITE Test procedure in the "Ground Tests - Brake Control System" task (AMM 32-42-00/501).

 S 712-145

 (9)  
Do the Autobrake Application Test procedure in the "Ground Tests -Brake Control System" task (AMM 32-42-00/501).

 S 212-077

 (10)
 Stop for five minutes and examine for leaks around the servo control valve.

 S 862-078

 (11)
 Set the parking brake.

 S 092-080

 (12)
 Do this task:  "Removal of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).

 TASK 32-42-11-002-081
 8.  Remove the Pressure Switch for the Solenoid Shutoff Valve or the Servo______________________________________________________________________ Control Valve from the Autobrake Pressure-Control Module (Fig. 201)________________________________________________________
 A.  Special Tools and Equipment
 (1)  
77144-T2 - Torque Adapter
 Abex Corporation, Aerospace Division,
 3151 West 5th Street
 Oxnard, CA 93030

 B.  
References

 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (3)  
AMM 32-00-30/201, Landing Gear Door Locks

 (4)  
AIPC 32-42-11-01

 (5)  
SSM 32-41-01

 (6)  
WDM 32-41-31

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