B. Access
(1)
Location Zones
211 Control Cabin, Left
212 Control Cabin, Right
731 Landing Gear Left
741 Landing Gear Right
120 Main Equipment Center, Right
C.
Prepare for Removal
S 494-003
(1)
Make sure that downlocks are installed on the nose and main landing gear (Ref 32-00-20).
S 494-004
(2)
Make sure that chocks are installed on the wheels.
S 864-005
(3)
Supply electrical power (Ref 24-22-00).
S 494-006
WARNING:_______OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(4)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 864-007
(5)
Open these circuit breakers on the overhead circuit breaker panel P11 and attach DO-NOT-CLOSE tags:
(a)
11S14, AUTOBK ANTISKID TEST IND 1
(b)
11S21, AUTOBK ANTISKID TEST IND 2
S 864-008
(6)
Release the parking brake.
S 864-009
(7)
Depressurize the right hydraulic system and reservoir (Ref
29-11-00).
S 864-010
(8)
Push in the brake pedals slowly and fully at least seven times to release the hydraulic pressure from the brake accumulator.
D.
Procedure to Remove the Shuttle Valve Module
S 034-011
(1) Disconnect the hydraulic lines from the valve and put caps on the lines.
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S 034-012
(2)
Disconnect the electrical connector and put caps on the electrical connector and the receptacle.
S 024-013
(3)
Remove three bolts and remove the valve module.
TASK 32-42-10-404-014
4. Autobrake Shuttle Valve Module - Installation_____________________________________________
A. Equipment
(1)
Explosion proof Bonding Meter - Microhm Bridge,
Type 2 Bonding Meter (Avtron Model T477W,
Avtron Manufacturing Inc., Cleveland, Ohio)
B.
Consumable Materials
(1)
D00153 Hydraulic Fluid - BMS 3-11
C.
References
(1)
06-46-00/201, Entry, Service and Cargo Doors
(2)
20-10-22/701, Metal Surfaces
(3)
24-22-00/201, Electrical Power - Control
(4)
25-50-03/401, Bulkhead Lining
(5)
29-11-00/201, Pressurize/Depressurize Main Hydraulic Systems
(6)
32-00-15/201, Landing Gear Door Locks
(7)
32-00-20/201, Landing Gear Downlocks
(8)
34-21-00/501, Inertial Reference System
D.
Access
(1)
Location Zones
211 Control Cabin, Left
212 Control Cabin, Right
731 Landing Gear Left
741 Landing Gear Right
120 Main Equipment Center, Right
E.
Procedure to Install the Shuttle Valve Module
S 114-015
(1)
Clean the surface of the structure and module that will touch to get a correct electrical bond when the module is installed (Ref 20-10-22).
S 644-016
(2)
Lightly lubricate the O-rings and the hydraulic fittings on the valve assembly with hydraulic fluid.
(3)
Install the valve module to the support bracket with three bolts.
S 434-019
(4)
Install the hydraulic lines and the electrical connector to the valve.
S 424-017
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S 764-020
(5)
Measure the bonding resistance between the valve and the support bracket. Make sure that it is 0.0025 ohm maximum.
S 864-021
(6)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
(a)
11S14, AUTOBK ANTISKID TEST IND 1
(b)
11S21, AUTOBK ANTISKID TEST IND 2
F.
Do an operational test of the shuttle valve assembly.
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