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Page Title: HOIST DOES NOT RAISE. (Cont)
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TM 9-2320-364-34-1
High pressure hydraulics [oil under 3000 psi (20,685 kPa) pressure] operate this equipment. Refer to
vehicle operator and maintenance manuals for hydraulic oil pressure. Never disconnect any hydraulic
line or fitting without first dropping pressure to zero. Failure to comply may result in injury to personnel.
Fuel and oil are slippery and can cause falls. To avoid injury, wipe up spilled fuel or oil with rags.
NOTE
Use a drain pan to catch leaking hydraulic oil.
FLOWMETER TEST
(1) Start engine (TM 9-2320-364-10).
(2) Set WINCH/CRANE switch to
CRANE position.
(3) Set hydraulic selector switch to
CRANE/SRW position.
(4) Turn ON crane POWER
switch.
(5) Observe flowmeter to compare
gpm (lpm) with gpm (lpm) measured
in Step (6).
(6) Hold HOIST control lever in UP
position.
(a)  If an increase in flow is not
measured, fault not corrected.
Perform Steps (7) through (12)
below and notify supervisor.
(b)  If an increase in flow is
measured, perform Steps (7)
through (12) below and replace
hoist relief valve on four valve
bank (Para 16-26).
(7) Set crane POWER switch to OFF
position.
(8) Set hydraulic selector switch to OFF
position.
(9) Turn OFF ENGINE switch.
(10) Disconnect adapter hose from
hose 2918. Discard preformed
packing.
(11) Disconnect adapter hose from
return line filter. Discard preformed
packing.
(12) Connect hose 2918 to adapter.
(13) Install cover with screws, washers,
lockwashers and nuts.

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