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 TM 55-1905-223-24-10
h.
Check Hydraulic Fluid Temperature . Check hydraulic fluid temperature (PMCS, Item 2).
i.
Check Oil Level. Check oil level (PMCS, Item 15).
j.
Visual Inspection . Make a visual inspection of the bow ramp winch subsystem (PMCS, Item 16).
k.
Clean or Install New Elements and Filters . After 2 hours of hydraulic system operation, clean or install new
elements and filters (PMCS, Item 7, 11, and 13).
l.
Check Pressure Setting of Valves . Check pressure setting of valves (PMCS, Item 9).
m.
Connect Wire Ropes to Ramp Chains . Connect wire ropes to ramp chains as follows:
(1) Start electric motor in hydraulic power pack assembly.
(2) Operate winch in LOWER ramp mode.
(3) Unreel wire rope from winch.
(4) Thread wire rope through ramp sheaves.
(5) Securely connect wire ropes t o ends of ramp chains using turnbuckles supplied.
(6) Operate winch in RAISE ramp mode to take up slack in wire ropes.
(7) If necessary, adjust turnbuckles until wire ropes are under constant tension.
(8) Turn off switches controlling the bow ramp assembly.
n.
Operational Test of Bow Ramp Assembly . Test the operation of the bow ramp assembly as follows:
(1) Turn on electric motor in hydraulic power pack assembly.
(2) Unlock the two manual locking devices on the end of the ramp.
(3) Activate LOWER ramp switch on control panel.
(4) Observe that ramp lowered properly.
(5) Activate the RAISE ramp switch on control panel.
(6) Observe that ramp is raised to closed position.
(7) Lock the two manual locking devices on the end of the ramp.
(8) Turn off electric motor in hydraulic power pack assembly.
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