Replace/Repair Welded Fittings - TM-55-1905-223-24-18-20745

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Replace/Repair Brazed Fittings

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

Replace/Repair Pipe Hangers

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

3-236. Replace/Repair Welded Fittings.

This task covers:

a. Removal

Repair.

Replacement.

INITIAL SETUP:

Tools

Equipment Condition

Tool kit, general mechanic's,

At Ship Service Switchboard, set FIRE

PUMP 1 and FIRE PUMP 2 circuit

Torch outfit, cutting and

breakers to the OFF position. Tag

welding medium duty, oxygen

switches "Out of Service - Do Not

Operate."

Tool kit, welder 5180-00-754-0661

General Safety Instructions

Materials/Parts

Piping system, fire monitor and

WARNING

washdown P/N 8555032, 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.

Change 1

3-713