ENGINE OIL COOLER REPLACEMENT INSTRUCTIONS (PORT OR STARBOARD) MK1 AND MK2 W/SABRE

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INSTALL

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

3-74. ENGINE OIL COOLER REPLACEMENT INSTRUCTIONS (PORT OR STARBOARD)

MK1 AND MK2 W/SABRE

TOOLS: Flat Tip Screwdriver, 4 inch

5/8 inch Open End Wrench

14 mm Box Wrench

Oil Filter Wrench

3/4 inch Open End Wrench

11/16 inch Open End Wrench

PARTS/MATERIALS: Oil Cooler Assembly

Oil Filter

Gasket

Shallow Liquid Container

Silicone Sealant

Rags

REMOVE:

Open and secure battery hatch (refer to paragraph 3-154).

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

Remove buoyancy flotation material to replace starboard engine oil cooler (refer to paragraph 3-152).

Drain fresh water cooling system on MK1 (refer to paragraph 3-68). Drain primary and secondary

cooling systems on MK2 (refer to paragraph 3-69).

MK1

3-160.2

Change 2