Replace Nonmetallic Hose Assembly . (FIGURE 2-2)

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FIGURE 2-1. External Hardware.

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

REPLACEMENT

TM 55-1905-223-24-2

2-15. Replace Nonmetallic Hose Assembly . (FIGURE 2-2)

This task covers: a

Removal, b

Replacement.

INITIAL SETUP

Tools

Equipment Condition

Combination wrench set,

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

metric; 10 mm thru 24 mm,

tagged "Out of Service, Do Not Operate."

5120-01-046-4979

Refer to the following paragraph in this

maintenance manual:

Gearbox drained (PMCS Item 9)

Materials/Parts

Swing check valve P/N DOH435

General Safety Instructions

Nonmetallic hose assembly

P/N DOH234-84

Wipe up spills.

Warning tags, Item 12, Appendix C

Do not accidentally bend or kink tubes and

hoses.

REMOVAL

CAUTION

During removal and replacement, use two wrenches on all fittings, nuts, and other

components used to couple tubes and hoses. Tubes and hoses may bend and kink

unless a counter-torque is applied.

a. Remove the male elbow (6) from the bottom of the casing.

b. Remove the male elbow (6) from the female swivel of the hose assembly (7).

Disconnect the other female swivel of the hose from the male connector (3).

d. Remove the male connector from the swing check valve (4).

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