REPLACEMENT - TM-55-1905-223-24-100068

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INSPECTION

TM-55-1905-223-24-10 Bow Ramp Assembly for Landing Craft Utility (LCU) NSN 1905-01-154- 1191 Manual

Replace Hydraulic Failsafe Brake

TM 55-1905-223-24-10

REPLACEMENT

a. Position the mounting holes in the hydraulic motor (5) over the two mounting studs on the hydraulic failsafe brake

(8).

b. Install two nuts and lockwashers (6,7) that secure the hydraulic motor to the hydraulic failsafe brake. Tighten

bolts to 90 ft-lb (12.4 kg) torque.

c. Remove caps and connect hydraulic pipes (4) to the hydraulic motor as identified.

d. Position the drain plug (10) in the drain hole in the bottom of the hydraulic motor.

e. Turn the drain plug clockwise until it is snug.

Turn the shutoff valve (9), counterclockwise until it is open.

g. Install the manual interlock switch (3) and secure with two machine sc rews and lock nuts (1,2).

h. Remove tags and connect electrical wiring to manual interlock switch.

Start hydraulic pump; operate ramp through one complete cycle. Shut down equipment (refer to TM 55-1905-

223-10).

Check the hydraulic fluid level (PMCS, Item 3).

FIGURE 2-8. Hydraulic Motor Removal.

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