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 TM 55-1905-223-24-10
(3) Coat the exposed unpainted surfaces of the drum with the same preservative, operate system to raise
ramp, rewind wire rope on drum and shut down system.
(4) Winch hydraulic motor, hydraulic hand pump and associated valves, piping and manifolds shall be filled
with preservative fluid conforming to MIL-H-6083 in conjunction with hydraulic power pack (reference
paragraph 2-9, PMCS).
(5) Remove gear reducer drain plug (6 o'clock position), drain gear reducer and reinstall plug. Remove fill plug
(12 o'clock position) and fill casing with preservative fluid conforming to MIL-P-116-P-10, Type I or II,
Grade 30.
(6) Reinstall fill plug and drain off excess fluid until down to operating level at 3 o'clock position.
(7) Visually inspect all electrical conduit and hydraulic piping fittings and connections to the bow ramp winch
assembly to ensure system tightness. Inspect to ensure that any open ports on equipment are properly
plugged or sealed.
(8) Thoroughly clean and flush exterior surfaces of the winch assembly with fresh water or steam and dry with
compressed air, with exception of wire rope and winch drum when system is preserved intact.
(9) Lubricate the winch, wire rope sheaves, wildcat assemblies and bow ramp hinges as per Lubrication Order,
LO 55-1905-223-12.
(10) Lightly spray all exterior surfaces using preservative conforming to MIL-P-116 Type P-2, with exception of
wire rope or winch drum when system is preserved intact. Remove tension from slack/overlapped cable
detector bail return spring.
NOTE
After the bow ramp winch assembly, wire rope sheaves, wildcat assemblies and
bow ramp hinges have been in storage for 12 months repeat external coating of
preservative and lubrication. After 24 months of storage, repeat storage
preparation tasks.
b. Shipping Preparations: This task covers the preparation of the bow ramp winch assembly removed from the
vessel (Chapter 4) for storage on land base or reshipping to another location.
(1) Install plugs in the hydraulic motor high pressure, low pressure, drain ports, in emergency brake release
pump inlet and reservoir ports and the manual interlock and slack/overlapped cable detector limit switch
conduit fittings.
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