|
| |
TM 9-2320-360-34-1
NOTE
· One revolution of the winch
drum
every
16
seconds
approximately equals the rated
line speed of 13 feet/minute.
· All tests within this fault must
be preformed with main winch
cable connected to a load.
Another
M1070
tractor,
or
equivalent, can be used for this
purpose.
· Winch hydraulic reservoir filter
should be at least warm to the
touch and engine on high idle
during troubleshooting.
WINCH OPERATION TEST
(1) Operate faulty main winch
(TM 9-2320-360-10).
(2) Pay out enough cable so that the winch
cable is down to the third layer.
(3) Attach winch cable to load.
(4) Mark starting position on winch drum.
(5) Set WINCH SPEED CONTROL to
LOW position (TM 9-2320-360-10).
(6) Push down winch control lever and
record the time required to make one
drum revolution.
(7) Shut off engine (TM 9-2320-360-10).
WINCH CONTROL VALVE TEST
WARNING
· Never switch relief valves between the
main winch control valves and the
auxiliary winch control valve. The
pressure settings are different between
the main and auxiliary winches.
· Relief valve pressure settings are
factory preset and should not be
adjusted. Never attempt to adjust the
relief valve setting. Failure to comply
may result in injury to personnel.
CAUTION
Use extra care when removing relief valves
from control valves. Failure to comply may
result in damage to relief valve or control
valve.
(1) Switch relief valves between the two main winch
control valves.
(2) Operate faulty main winch (TM 9-2320-360-10).
(3) Push down winch control lever and record the time
required to make one drum revolution.
(4) Shut off engine (Tm 9-2320-360-10).
(5) Switch relief valves back to their original positions.
Change 1 2-185.3
|
