Replace Water Pump/Motor Assembly.

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REPLACEMENT

TM-55-1905-223-24-18-2 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part II Manual

FIGURE 3-29. Water Pump/Motor Assembly

TM 55-1905-223-24-18-2

3-32. Replace Water Pump/Motor Assembly. (Figure 3-29)

This task covers:

a. Removal,

b. Replacement.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

System drained - refer to paragraphs

2-29 and 2-30 .

Materials/Parts

Water pump/motor assembly

P/N 1334-1

Warning tags, Item 1, Appendix C

REMOVAL

a. Tag and disconnect electrical leads at junction box (1) on motor.

b. Disconnect flange (5) from pipe nipple (6).

c. Disconnect pipe nipple (6), check valve (4), and pipe nipple (3) from pump inlet.

d. Disconnect flange (8) and pipe nipple (7) from pump outlet.

e. Remove four hex plain nuts (9), lockwashers (10), and machine bolts (11) securing pump/motor

assembly to mounting skid.

f. Remove water pump/motor assembly (2).

REPLACEMENT

a. Position water pump/motor assembly (2) on mounting skid with mounting bolt holes aligned.

b. Install four machine bolts (11), lockwashers (10), and hex plain nuts (9) and secure pump/motor

assembly to mounting skid.

c. Connect pipe nipple (7) and flange (8) to pump outlet.

d. Connect pipe nipple (3) check valve (4) and pipe nipple (6) to pump inlet.

e. Connect flange (5) to pipe nipple (6).

Connect electrical leads at junction box (1) on motor. Remove tags.

g. Restore to normal operation, paragraph 2-30 .

3-121