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TM 5-4210-220-12
4-22. AIR SYSTEM - Continued
4-22.5 Quick Release Valve
This task covers
a.
Removal
b.
Installation
c.
Repai
TOOLS
MATERIALS/PARTS
Shop Equipment, Automotive
22, Appendix E Pipe Sealant
Maintenance and Repair,
NSN 4910-00-754-0705
EQUIPMENT CONDITION
Main Engine Shutdown (see para. 2-10)
APU Shutdown (see para. 2-12)
Batteries Disconnected (see para. 4-24.12)
Truck Wheels Blocked
All Air Tanks Drained
WARNING
Death or serious injury could occur if compressed air is directed against the skin. Always
drain all air tanks via the draincocks prior to maintaining the quick release valves.
NOTE
The rear brake quick release valve is installed on the cross member above the rear axle. The
front brake valve is mounted similarly but above the front axle.
REMOVAL
(1)
Tag and remove air lines A, B, and C from the quick release valve
(2)
Remove the capscrews and locknuts securing the valve to the cross member
(3)
Remove relay valve from truck and remove all connectors from valve using illustration as a
4-352
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