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 TM 10-3930-673-34
16
This Task Covers:
a. Disassembly
c. Inspection
b. Cleaning
d. Assembly
INITIAL SETUP
Materials/Parts (Cont)
Tools and Special Tools
Solvent, Drycleaning P-D-680
Tool Kit, General Mechanic's: Automotive
(Item 52, Appendix B)
(Item 23, Appendix D)
Container, 5 gal (19 l) capacity
Wrench Set, Spanner (Item 26, Appendix D)
Nut
Packing, Preformed
Equipment Condition
Packing, Preformed
Carriage tilt cylinder removed
Packing, Preformed
(TM 10-3939-673-20)
Seal
Seal
Materials/Parts
Compound, Sealing (Item 13, Appendix B)
Personnel Required
Hydraulic Oil (Item 30, Appendix B)
Two
Rags, Lint-free (Item 34, Appendix B)
a. Disassembly.
(1)
Use a vise with soft jaws to secure
1
cylinder in a horizontal position for
4
disassembly.
7
8
7
WARNING
9
Hydraulic oil, under pressure, can
5
remain within cylinder after
disconnecting hydraulic hoses. To
3
avoid severe personal injury, slowly
6
loosen counterbalance valve and
2
allow pressure to escape before
removing valve entirely.
TR01309
(2)
Relieve pressure in cylinder by
slowly removing counterbalance
valve (1). Drain residual oil through valve hole into a suitable container.
(3)
Disassemble cylinder parts (2 through 16).
CAUTION
Do not scratch or damage the wear surface of rod, piston, and gland. Follow this
precaution to prevent failure of the cylinder.
(a)
Use a suitable tool to pull rod (2) out approximately 5 inches for removal of gland (3).
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