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 TM 9-2320-285-24-2
3-24.
BRAKE CONTROLS MAINTENANCE (CONT)
g
Relay Valve.
This task covers:
a
Removal
d
Inspection
b
Disassembly
e
Reassembly
c
Cleaning
f
Installation
INITIAL SETUP
Tools
Personnel Required
No
1 Common Organizational Maintenance
Automotive Repairer MOS 63H
Tool Kit
Socket wrench set
Equipment Condition
Screwdriver set
Paragraph
Condition Description
Screwdriver
Scratch wire brush
Vehicle parked on level
Retaining ring pliers
surface, engine off, and
Safety glasses
parking brake applied.
Automotive Mechanic's Tool Kit
2-41h(1)
All air pressure relieved.
Pliers
2-51a
Air brake lines and fittings
Torque wrench
removed from relay valve.
Materials/Parts
Cleaning solvent
Item 1, Appendix C
Clean cloths
Item 2, Appendix C
Pneumatic grease
Item 35, Appendix C
Teflon tape
Item 43, Appendix C
Maintenance kit
FSCM 06853 PN 287370
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1
Front frame
a
Two capscrews
Remove
Support relay valve assembly
crossmember,
(1), nuts (2),
center
and lock
washers (3)
b
Relay valve
Remove
From crossmember
assembly
DISASSEMBLY
2
Relay
a
Screw (4)
Remove
valve
b
Exhaust cover
Remove
(5)
c
Adapter (6)
Remove
From cover (11)
d
O-ring (7) and
Remove and
diaphragm (8)
discard
3-195
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