Replace/Repair Welded Fittings - TM-55-1905-223-24-18-20730

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Replace/Repair Threaded Valves

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

Replace/Repair Welded Bar, Angles and Bar Round Plates

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

3-225. Replace/Repair Welded Fittings

This task covers:

a. Removal

Repair.

Replacement.

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's,

Stop the auxiliary seawater pump at

the auxiliary machinery motor control

Torch outfit, cutting and welding

center and set the A.C.S.W. cooling

medium duty, oxygen and

pump circuit breaker to the OFF

position. Tag switches "Out of

Tool kit, welder, 5180-00-754-0661

Service - Do Not Operate."

General Safety Instructions

Materials/Parts

Piping system, seawater cooling

WARNING

P/N 8256009, refer to

TM 55-1905-223-24P

Ensure system is turned OFF and

Warning tags, Item 1, Appendix C

tagged to prevent operation during

Utility pail, Item 13, Appendix C

maintenance. Generated pressure

could cause injury.

Use extreme care when breaking

system connections. Escaping

pressure and/or fluids could

cause injury.

Clean up spills immediately. Spills

create an unsafe working area.

REMOVAL

Refer to paragraph 3-217 for procedures.

3-698