TM 9-2320-366-34-1
WARNING
Wear approved eye protection when
performing pressure checks. Failure
to comply may result in oil getting
into eyes. If oil contacts eyes, seek
medical attention immediately.
Fuel and oil are slippery and can
cause falls. Wipe up spilled fuel
or oil with rags. Failure to comply
may result in injury to personnel.
NOTE
STINGER CYLINDER PRESSURE TEST
(1) Place drain pan under vehicle.
(2) Disconnect stinger OUT (RH) and stinger IN
(LH) hoses at stinger cylinder (test points).
(3) Connect hydraulic tester between stinger OUT
(RH) hose and test point fitting with fittings and
adapters.
(4) Start engine (TM 9-2320-366-10-1).
(5) Position PTO switch to on (TM
9-2320-366-10-1).
(6) Increase engine RPM to 1250-1450 RPM (TM
9-2320-366-10-1).
(7) Position STINGER control valve handle to OUT,
perform pressure test and note pressure reading.
(8) Position PTO switch to off (TM
9-2320-366-10-1).
(9) Shut down engine (TM 9-2320-366-10-1).
(10) Disconnect hydraulic tester fittings and adapters.
(11) Connect stinger out (RH) hose to stinger test
point fitting.
(12) Disconnect stinger in (LH) hose from stinger test
point fitting.
(13) Connect hydraulic tester between stinger IN (LH)
hose and test point fitting with fittings and
adapters.
(14) Start engine (TM 9-2320-366-10-1).
(Continued on next page)
Drop hydraulic pressure to zero
before disconnecting any
hydraulic hose, tube, or fitting.
Failure to comply may result
in injury to personnel.
Tag hydraulic hoses, tubes, and fittings prior
to disconnecting.
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