Replace/Repair Rudder Assembly

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FIGURE 4-3. Tiller Arm Assembly.

TM-55-1905-223-24-9 Steering Gear System for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 4-4. Rudder Assembly.

TM 55-1905-223-24-9

4-11. Replace/Repair Rudder Assembly. (FIGURE 4-4)

This task covers:

a. Removal,

b. Repair,

c. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

Equipment shut down and tagged

5180-00-699-5723

"Out of Service - Do Not Operate."

Materials/Parts

Function to be performed in drydock

facilities.

Rudder P/N 77408 8562019-EL 198

REMOVAL

a. Rudder (Port).

NOTE

Support weight of rudder assembly.

(1) Remove tiller arm assembly (paragraph 4-9).

(2) Remove machine bolts (18), shoe plate (19), lower spacer bearing (20), shoe bushing (21), upper spacer

bearing (22), and pintle (23) from rudder lower unit.

(3) Remove nut (4), thrust bearing (5), carrier bearing (6), carrier bearing (7), upper bearing (8), and upper

bearing housing (10) from rudder stock (3).

(4) Remove continuous thread studs (9), gland packing (14), preformed packing (12), ring packing (13), rudder

trunk (15), lower bearing (16), and bearing retainer (17) from rudder stock (3).

(5) Lower rudder assembly and remove to a clear area.

(6) Remove nuts and bolts (2) from rudder (1) and remove rudder stock (3).

b. Rudder (Starboard). Repeat steps a(l) through a(6) above.

4-13