TM 9-2320-279-20-3
Hydraulic System Maintenance Instructions (Cont)
19-5.
FLOW PRIORITY VALVE REMOVAL/INSTALLATION (M978, M984, M1977-CBT).
This task covers:
a. Removal
b. Installation
c. Follow-on Maintenance
INITIAL SETUP
Models
M978, M984, M1977-CBT
Test Equipment
None
Special Tools
None
References
None
Equipment Condition
TM or Para
Condition Description
LO 9-2320-279-12 Hydraulic reservoir drained.
Para 16-34
Stowage box removed
(M978).
Para 7-91
Batteries disconnected.
Supplies
Tags, identification, Item 48, Appendix C
Special Environmental Conditions
None
Personnel Required
General Safety Instructions
MOS 63S, Heavy wheel vehicle mechanic
None
a.
Removal.
NOTE
There are two kinds of valves. Model A uses spacers and 3 in. (76 mm) mounting
screws. Model B does not use spacers and has 2 in. (51 mm) mounting screws. Both
valves are removed the same way.
Spacers are mounted between valve and bracket on Model A only.
Tag and mark hoses before removal.
(1)
Disconnect three hoses (1, 2, and 3).
(2)
Remove two nuts (4), lockwashers (5), valve (6), two spacers (7), and screws (8).
Change 3
19-10.1/(19-10.2 blank)
