Repair Torsional Coupling . (FIGURE 3-3)

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FIGURE 3-2. Control Valve.

TM-55-1905-223-24-2 Main Reduction Gear for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 3-3. Torsional Coupling

TM 55-1905-223-24-2

3-10. Repair Torsional Coupling . (FIGURE 3-3)

This task covers: a. Disassembly, b. Repair, c. Assembly.

INITIAL SETUP

Equipment Condition

Tools

TM 55-1905-223-10, Engine secured,

Deep well sockets, 1/2-inch drive

tagged "Out of Service, Do Not Operate."

12 pt, 10 mm through 27 mm,

Refer to the following paragraph in this

5120-01-113-8078

maintenance manual;

Combination wrench set, metric

Torsional coupling removed (para. 2-21).

10 mm through 24 mm,

5120-01-046-4979

Hydraulic press P/N 2009-13

Materials/Parts

Spring pins P/N 7040117040,

7040110040, 7040010032, 7040014045,

7040000045, 7040120055, 7040111055

Coupling element P/N EZR-1022

DISASSEMBLY

a. Remove bolts (14) and washers (13) from housing (1) to separate the housing from the outer retainer ring (3).

b. Remove bolts (17) and washers (18) from the connector flange (16) to separate the flange from the hub (15).

Remove bolts (9) and washers (10) from the inner retainer ring (11). Remove self-locking nuts (6) from bolts (5)

and remove bolts (5). Removal of bolts (9) and (5) allows the separation of the inner retainer ring (11) from the

bhub (15) and the hub (15) can now be withdrawn from element 94).

d. Remove the spacer ring (12) from the element (4).

Change 1

3-11