REPLACE/REPAIR WELDED VALVES - TM-55-1905-223-24-18-20759

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REPLACE/REPAIR PIPE HANGERS

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

REPLACE/REPAIR WELDED FITTINGS

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

MAINTENANCE OF PIPING SYSTEM, FUEL TRANSFER PUMP UNIT ASSEMBLY

3-250. REPLACE/REPAIR WELDED VALVES.

This task covers:

a. Removal

b. Repair

c. Replacement

INITIAL SETUP:

Tools

General Safety Instructions

Tool kit, general mechanic's,

WARNING

Torch outfit, cutting and

Ensure system is tagged to prevent

welding medium duty, oxygen

operation during maintenance.

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

Generated pressure could cause

injury.

Materials/Parts

Use extreme care when breaking

Piping system, fuel transfer

system connections. Escaping

pump unit assembly P/N 8541051,

pressure and/or fluids could

refer to TM 55-1905-223-24P

cause injury.

Warning tags, Item 1, Appendix C

Clean up spills immediately. Spills

Utility pail, Item 13, Appendix C

create an unsafe working area.

Exercise extreme caution when

working with flammables.

REMOVAL

Refer to paragraph 3-228 for procedures.

Change 1

3-727