WATER PUMP REPLACEMENT INSTRUCTIONS (PORT OR STARBOARD)

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TM-5-1940-277-20 Boat Bridge Erection Twin Jet Aluminum Hull MODEL USCSBMK1 (1940-01-105-5728) MODEL USCSBMK2 (1940-01-218-9165) Manual

REPLACE

TM 5-1940-277-20

TM 1940-20/2

3-81. WATER PUMP REPLACEMENT INSTRUCTIONS (PORT OR STARBOARD)

MK1 - COOLING SYSTEM PUMP

MK2 - SECONDARY WATER PUMP

TOOLS: Flat Tip Screwdriver, 4 inch

9/16 inch Box Wrench

11/16 inch Open End Wrench

Putty Knife

Snap Ring Pliers

Pipe Wrench

6 or 8 inch Pipe Wrench

9/16 inch Socket & Ratchet with 6 inch Extension

PARTS/MATERIALS: Pump

Gasket Sealing Compound

Pipe Tape

REMOVE:

Open and secure engine hatches (refer to paragraph 3-154).

NOTE

Buoyancy flotation material must be removed to remove the starboard pump.

Remove starboard flotation material if starboard water pump is to be removed (refer to paragraph 3-152).

MK1

3-175