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 TM 55-1905-221-14-1
4-27. RANP HOISTING ASSEMBLY (Continued).
Location/Item
Action
Remarks
INSPECTION (Cont)
8. Relief Valve
a. The main system relief valve
is used for system protection.
It has an operating range of
1500 - 3000 psi (10,343-20,685
kPa) , but is normally adjusted
to 2000 psi (13,790 kPa)
b. Check valve for breaks, cracks
or other damage. Report and
defects to your supervisor
9. Counter-
a. This bypass and check valve is
balance Valve
used as an adjustable pressure
bypass valve to maintain
sufficient pressure in the
pump circuit for operation of
the winch brake.
b. Check valve for breaks, cracks,
or other damage. Report any
defects to your supervisor.
4-81
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