TM 9-2320-279-20-2
1 1 - 1 2 . B R A K E R E L A Y V A L V E S R E M O V A L / I N S T A L L A T I O N ( C O N T ) .
Some vehicles have two screws, lockwashers, and nuts. Others have two flanged nuts and
screws.
(7)
Install brake relay valve (17) with two screws (18), lockwashers (19), and nuts (20).
(8)
Coat threads with pipe thread
sealing compound and connect
four air lines (21) to elbows (16).
(9)
Coat threads with pipe thread
sealing compound and connect air
supply line (22) to elbow (11).
(10)
Coat threads with pipe thread
sealing compound and connect air
line (23) to elbow (15).
(11)
Coat threads with pipe thread
sealing compound and connect
two control lines (24) to double
check valve (1).
i.
Follow-on Maintenance.
(1)
Start engine and build up air
pressure to normal operating
pressure (TM 9-2320-279-10).
(2)
Check air connections for leaks.
(3)
Check operation of brakes.
(4)
Shut off engine (TM 9-2320-279-10).
END OF TASK
11-13.
QUICK RELEASE VALVE AND TOWING STOPLIGHT PRESSURE SWITCH
REMOVAL/INSTALLATION.
This task covers:
a. Removal
b. Installation
c. Follow-on Maintenance
INITIAL SETUP
Models
All except M984E1
References
None
Test Equipment
None
Special Tools
None
Supplies
Equipment Condition
TM or Para
Condition
Description
TM 9-2320-279-10 Air system drained.
Para 7-91
Batteries disconnected.
Compound, sealing, pipe thread, Item 18,
Appendix C
Special Environmental Conditions
None
Tags, identification, Item 48, Appendix C
General Safety Instructions
Personnel Required
None
MOS 63S. Heavy wheel vehicle mechanic
11-52
Change 2
