TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-36. OUTRIGGER LEG CYLINDER REPAIR.
This task covers:
a. Disassembly
c. Assembly
b. Cleaning/Inspection
d. Follow-on Maintenance
INITIAL SETUP
Models
References
M977, M985
None
Test Equipment
Equipment Condition
None
TM or Para
Condition Description
Special Tools
Outrigger leg cylinder on
None
clean work surface.
Supplies
Special Environmental Conditions
Compound, sealing and thread locking,
None
Item 26, Appendix C
Oil, lubricating, Item 47.1, Appendix C
General Safety Instructions
Solvent, dry cleaning, Item 57, Appendix C
None
Personnel Required
Level of Maintenance
MOS 63W, Wheel vehicle repairer
General Support
a. Disassembly.
NOTE
Backup ring may stay in cylinder.
(1)
(2)
(3)
(4)
(5)
(6)
Remove two screws (1), plate (2), and backup
ring (3) from cylinder (4).
Remove wiper ring (5) from plate (2).
Remove holding valve (6) from cylinder (4).
Remove two backup rings (7) and preformed
packing (8).
Remove backup ring (9) and preformed
packing (10).
Remove preformed packing (11).
Change 2 17-157
