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TM 5-4210-233-14&P-1
4-204. COUNTERBALANCE VALVES - Continued
c.
Installation of Valve Block.
(1)
Coat two new O-rings (7) with grease (Item 1, Appendix E) to hold them in position on valve
block (6). Install valve block (6) on cylinder and install two capscrews (5).
(2)
Connect two hydraulic tubes (4) and two hydraulic hoses (3) to valve block.
d.
Follow-on Maintenance.
(1)
Connect batteries (see para4-114).
(2)
Start engine and actuate ladder extend and retract control lever (see para 2-14). Check for
leaks.
4-513
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