16-23. ATTACHMENT CYLINDER REPAIR
This Task Covers:
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)
Attachment cylinder removed
Hydraulic Oil (Item 30, Appendix B)
Rags, Lint-free (Item 34, Appendix B)
Loctite #271 (Item 42, Appendix B)
Use a vise with soft jaws to secure
cylinder in a horizontal position for
Hydraulic oil, under pressure, can
remain within cylinder after
disconnecting hydraulic hoses. To
avoid severe personal injury, slowly
loosen counterbalance valve and
allow pressure to escape before
removing valve entirely.
Relieve pressure in cylinder by
slowly removing counterbalance
valve (1). Drain residual oil through valve holes into a suitable container.
Disassemble cylinder parts (2 through 16).
Do not scratch or damage the wear surface of rod, piston or gland. Follow this precaution
to prevent failure of the cylinder.
Pull rod (2) out approximately 5 in. (12.7 cm) for removal of gland (3).