Repair Emergency Handcrank

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ASSEMBLY

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

FIGURE 4-6. Emergency Handcrank Repair.

TM 55-1905-223-24-10

4-14. Repair Emergency Handcrank. (FIGURE 4-6)

This task covers:

a. Disassembly,

b. Repair,

c. Assembly.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

Refer to the following paragraph in this

5180-00-699 -5273

maintenance manual.

Emergency handcrank removed.

Materials/Parts

Ratchet wheel P/N 2178

Pawl P/N 1995

Ratchet dog spring P/N 2002

Retaining bushing P/N 1993

Clutch disk (2) P/N 2207

Spacer sleeve (2) P/N 1997

Spacer sleeve P/N 1996

Shaft retaining plate P/N A13617

Cleaning solvent, Item 5, Appendix C

Compressed air

DISASSEMBLY

a. Remove locking nut (21), retaining socket screw (22) and remove handle socket assembly (19).

b. Remove hexhead self-locking nuts (13), socket head capscrews (8), front housing plate (23), spacer sleeves (4

and 6); loosen set screw (15); and remove retaining bushing (18).

c. Remove pin (16), adjusting flange nut (20), housing cylinder (5), ratchet dog spring (2), ratchet dog (1), front

friction disk (12), ratchet wheel (3), and rear friction disk (12).

d. Remove threaded adjusting pin (11), set screw (14), and hub head flange (10). Separate rear housing plate (9)

from side plate (7).

4-27