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 TM 55-1905-223-24-10
(5) Return bow ramp winch assembly to normal operation (TM 55-1905-223-10).
(6) Properly dispose of used hydraulic fluid.
c.
Add Oil. Add oil to gear case of winch assembly as follows:
(1) Remove oil fill plug from top of gear case housing.
(2) Add 9 quarts of GO 90 oil (Item 16, Appendix C).
(3) Install oil fill plug in top of gear case housing.
d.
Connect Power Supplies . Connect the electrical motor and the three control panels to suitable power supplies.
WARNING
Do not activate ramp, RAISE or LOWER control switches at this time.
Preliminary service and adjustment of bow ramp winch subsystem must
be completed before operation of ramp RAISE or LOWER switches.
e.
Start Electric Motor. Start the electric motor in the hydraulic power pack assembly as follows:
(1) Momentarily press the POWER ON pushbutton indicator switch on the winch room control panel.
(2) Observe that POWER ON pushbutton indicator is lit.
(3) Observe that electric motor is operating.
(4) Pump noise and "crackle" are usually caused by air entering the pump suction. If such noise occurs, secure
the suction fittings.
(5) If pump fails to prime, vent discharge pipe into a suitable container to establish hydraulic fluid flow.
CAUTION
Allow hydraulic pump in hydraulic power pack assembly to operate for 5
minutes to fill hydraulic components, valves, and pipes in hydraulic
system. Then replenish hydraulic fluid in the reservoir tank.
f.
Check Hydraulic Fluid Level. Check hydraulic fluid level (PMCS, Item 3).
g.
Check Hydraulic Fluid Pressure . Check hydraulic fluid pressure (PMCS, Item 1).
Change 2 2-3
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