TM 9-2320-279-20-3
Body Accessory Maintenance Instructions (Cont)
8-16.
HAV HAND ACTUATED CONTROL VALVE AND AIRHOSE ASSEMBLY
REMOVAL/REPAIR/INSTALLATION (M978)
This task covers:
a. Removal
b. Disassembly
c. Cleaning/Inspection
INITIAL SETUP
Models
M978
Test Equipment
None
Special Tools
None
Supplies
Compound, sealing, pipe thread, Item 18,
Appendix C
Solvent, drycleaning, Item 47, Appendix C
Tags, identification, Item 48, Appendix C
Personnel Required
MOS 63S, Heavy wheel vehicle mechanic
d. Assembly
e. Installation
f. Follow-on Maintenance
Equipment Condition
TM or Para
Condition Description
TM 9-2320-279-10 Shut off engine.
TM 9-2320-279-10 HA. HAND ACTUATED
CONTROL VALVE hose
unwound from reel.
TM 9-2320-279-10 Air system drained.
TM 9-2320-279-10 Pump module rear access
doors opened.
Para 16-48
Left side access panel
removed.
Special Environmental Conditions
None
References
None
General Safety Instructions
No smoking, flames, sparks, hot or glowing
objects within 50 ft (15 m) of vehicle.
a.
Removal
NOTE
Tag and mark hoses and fittings
before removal.
Trucks with ball stop, perform
steps (1) and (1.1). Trucks without
ball stop, perform step (1).
(1)
Disconnect two hoses (1 and 2) from
two coupling fittings (3 and 4).
(1.1) Remove two screws (4.1), nuts (4.2),
and ball stop (4.3).
18-34
Change 3
