TM-9-2320-279-34-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 1 OF 3

  TM-9-2320-279-34-1 - Page 583 of 709

TM 9-2320-279-34-1
Transfer Case Maintenance Instructions (Cont)
Section III. TRANSFER CASE CONTROLS
8-12.
HI-LO RANGE TRANSFER CASE LOCK-UP VALVE REPAIR.
This task covers:
a. Disassembly
b. Cleaning/Inspection
c. Assembly
d. Follow-on Maintenance
INITIAL SETUP
Models
All
Test Equipment
None
Special Tools
None
Supplies
Special Environmental Conditions
None
Oil, lubricating, Item 48, Appendix C
Solvent, dry cleaning, Item 57, Appendix C
General Safety Instructions
None
Personnel Required
MOS 63W, Wheel vehicle repairer
References
None
Equipment
Condition
TM or Para
Condition Description
HI-LO range transfer case
lock-up valve on clean work
surface.
Level of
Maintenance
Direct Support
a. Disassembly.
(1)
Remove boot (1) and two nuts (2).
(2)
Remove adapter (3), plunger (4), valve stem (5), and two preformed packings (6 and 7).
(3)
Remove capnut (8), spring (9), seat (10), and inlet valve (11) from body (12).
8-44


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