TM-9-2320-279-34-3
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 3 OF 3
TM-9-2320-279-34-3 - Page 67 of 717
TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-6. SWING DRIVE VALVE REMOVAL/REPAIR/INSTALLATION.
This task covers:
a. Removal
d. Installation
b. Disassembly
e. Follow-on Maintenance
c. Assembly
INITIAL SETUP
Models
M977, M985
Test Equipment
None
Special Tools
None
Supplies
None
Personnel Required
MOS 63W, Wheel vehicle repairer
References
None
Equipment Condition
TM or Para
Condition Description
Para 17-2
Swing drive valve hydraulic
hoses and tubes removed.
Special Environmental Conditions
None
General Safety Instructions
None
Level of Maintenance
Direct Support
a. Removal.
(1)
Remove four screws (1) and
lockwashers (2).
(2)
Remove valve (3) from
motor (4).
(3)
Remove two preformed
packings (5).
b. Disassembly.
(1)
Remove two relief valves (1), preformed
packings (2), backup rings (3), and preformed
packings (4) from valve (5).
(2)
Remove two fittings (6) and preformed
packings (7) from valve (5).
17-26.4
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