TM 9-2320-279-34-3
M977, M985, and M984E1 Crane Maintenance Instructions (Cont)
17-41. OUTRIGGER INNER AND OUTER BEAM CYLINDER REPAIR (M984E1).
This task covers:
a. Disassembly
c. Assembly
b. Cleaning/Inspection
d. Follow-on Maintenance
INITIAL SETUP
Models
M984E1
Test Equipment
None
Special Tools
None
Supplies
Compound, sealing and thread locking,
Item 26, Appendix C
Oil, lubricating, Item 47.1, Appendix C
Solvent, dry cleaning, Item 57, Appendix C
Personnel Required
MOS 63W, Wheel vehicle repairer
References
None
Equipment Condition
TM or Para
Condition Description
Para 17-39.1
Outrigger outer and inner
beam cylinders removed.
Special Environmental Conditions
None
General Safety Instructions
None
Level of Maintenance
General Support
a. Disassembly.
NOTE
Both inner and outer cylinders are disassembled
the same.
(1)
(2)
(3)
(4)
(5)
(6)
17-174
Remove two fittings (1) and preformed
packings (2) from holding valves (3).
Remove holding valve (3).
Remove retainer (4), preformed packing (5),
retainer (4), retainer (6), and preformed
packings (7 and 8).
Repeat steps (2) and (3) for other holding
valve.
Remove setscrew (9) and remove retaining
ring (10) from cylinder (11).
Remove rod assembly (12) from cylinder (11).
Change 2
