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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) Remove four nuts, lockwashers,
washers, screws and cover.
Discard lockwashers.
(2) Disconnect upper hose from
outboard (taller) elbow above
BOOM valve. Discard preformed
packings.
(3) Connect flowmeter OUT port
adapter hose with preformed
packing to the crane hose removed
from outboard (taller) elbow.
(4) Connect flowmeter IN port adapter
hose with preformed packing to
outboard (taller) elbow.
(5) Start engine (TM 9-2320-364-10).
(6) Set WINCH/CRANE switch to
CRANE position.
(7) Set hydraulic selector switch to
CRANE/SRW position.
(8) Set crane POWER switch to
ON position.
(9) Extend boom lift cylinders
completely.
(10) Hold BOOM control lever in the UP
position.
(a) If more than 0 gpm (0 lpm)
are present, go to Step 3 of
this Fault.
(b) If 0 gpm (0 lpm) are present,
fault not corrected. Perform
Steps (11) through (15) below
and notify supervisor.
(11) Set crane POWER switch to
OFF position.
(12) Set hydraulics selector switch to
OFF position.
(13) Turn OFF ENGINE switch.
(14) Disconnect adapter hoses from
elbow and crane hose. Discard
preformed packings.
(15) Connect crane hose with
preformed packing to elbow.

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