TM 9-2320-279-20-3
Hydraulic System Maintenance Instructions (Cont)
19-13. SELECTOR VALVE REMOVAL/INSTALLATION
This task covers:
a. Removal
c. Follow-on Maintenance
b. Installation
INITIAL SETUP
Mode Is
M977 with winch
M978 with winch
M983 without crane
M985 with winch
References
None
Test Equipment
None
Special Tools
None
Supplies
Oil, lubricating, Item 33, Appendix C
Tags, identification, Item 48, Appendix C
Personnel Required
MOS 63S, Heavy wheel vehicle mechanic
Equipment Condition
TM or Para
Condition Description
TM 9-2320-279-10 Shut off engine.
LO 9-2320-279-12 Hydraulic reservoir
drained.
Special Environmental Conditions
None
General Safety Instructions
None
a. Removal.
NOTE
There are two kinds of selector valves. Model A is approximately 2 in. (51 mm)
thick at the mounting holes. Model B is approximately 1 in. (25 mm) thick at the
mounting holes. Both are removed the same way.
Tag and mark lines before removal.
(1)
Disconnect hydraulic lines (1, 2, and 3).
Change 3
19-39
