Emergency Operation to Lower Ramp

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EMERGENCY PROCEDURES

TM-55-1905-222-14 Landing Craft Mechanized (LCM-8) (ROHR and Gunderson Models) (1905-01-284-2647 AND 1905-01-284-2648) Manual

Emergency Operation to Raise Ramp

TM 55-1905-222-14

2-9.2

Emergency Operation to Lower Ramp. When the propulsion units cannot be operated, or a

malfunction in the hydraulic ramp system is encountered, the ramp can be lowered according to the following

procedure:

Disengage both PTO clutch levers to stop ramp hydraulic pumps. Refer to figure in para. 2-1, item 58.

Close upper shut-off valve (3) in the hand pump compartment.

Open lower shut-off valve (4) in the hand pump compartment.

Close hand pump bypass valve (5).

Remove port and starboard load binders. Refer to figure in para. 2-4.3.1(d).

Operate hand pump (6) with handle (7) until winch brake releases and ramp starts lowering.

Stop ramp lowering by opening the hand pump bypass valve (5).

Change 6

2-64