Replace Vessel Subassembly (First Stage)

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ASSEMBLY-CONT.

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

FIGURE 3-20. Vessel Subassembly (First Stage)

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

3-24. Replace Vessel Subassembly (First Stage). (Figure 3-20)

This task covers:

a. Removal,

b. Replacement.

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's,

Close suction OWS-5 and discharge

OWS-6 valves.

Motor control box assembly removed,

Materials/Parts

refer to para. 2-26 .

Gauge panel assembly removed, refer to

Vessel P/N 1279-4

para. 2-27 .

REMOVAL

a. Open ball valve (vent).

b. Open ball valve (drain) and drain liquid from vessel (first stage).

NOTE

Disconnect piping system from vessel. Plug/cap all pipe fittings and openings.

c. Ensure that vessel is firmly secured for removal.

d. Remove four hex plain nuts (3), lockwashers (2) and machine bolts (1) securing vessel to mounting

skid.

e. Remove vessel.

REPLACEMENT

a. Carefully position vessel (first stage) on mounting skid with bolt holes aligned.

b. Install four machine bolts (1), lockwashers (2), and hex plain nuts (3) and secure vessel to mounting

skid.

NOTE

Unplug/cap all pipe fittings and openings. Connect piping system to, vessel.

d. Gauge panel assembly replaced as specified in paragraph 2-27 .

3-100