MAINTENANCE OF VALVES/STRAINERS

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Install arbitrary scale meter (wheel house console).

TM-55-1905-223-24-18-1 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part 1 Manual

FIGURE 2-234. \2-1/2-Inch Stop Check Angle Valve.

TM 55-1905-223-24-18-1

MAINTENANCE OF VALVES/STRAINERS

Replace/Repair 2-1/2-Inch Stop Check Angle Valve.

2-308.

a. Removal, b. Repair, c. Replacement

This task covers:

INITIAL SETUP

Tools

Equipment Condition

Piping system shut down.

Tool kit, general mechanic's,

Valve isolated from system,

reference TM 55-1905-223-10.

Portable welding equipment

P/N 1341-0354

Materials/Parts

2-1/2-inch stop check angle valve

P/N B-142-0000

Place a drip pan under stop check angle valve.

Use a welding torch to cut valve (1) at flanges (2, 3).

Remove valve.

File pipe edges smooth.

Repair at this level of maintenance is by replacement of wheelnut and handwheel

or replacement of the entire valve.

Place stop check angle valve (1) at flanges (2, 3).

Weld valve to flanges.

Let valve cool before pressure check.

Charge piping system and check for leaks.

Remove drip pan.

2-923