KEEL COOLER (FRONT AND REAR) REPLACEMENT INSTRUCTIONS (MK2)

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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

REMOVE

TM 5-1940-277-20

TM 1940-20/2

3-77. KEEL COOLER (FRONT AND REAR) REPLACEMENT INSTRUCTIONS (MK2)

TOOLS: 15/16 inch Combination Wrench

Putty Knife

Flashlight

2 1/2 inch Open End Wrench (Armstrong) 28-080

PARTS/MATERIALS: Keel Coolers

Silicone Sealant

Wire Brush

PERSONNEL REQUIRED: Two

REMOVE:

CAUTION

A second person is required to support the keel cooler to prevent equipment dam-

age when mounting hardware is removed.

Ensure that all keel cooler inlet/outlet pipes are covered to prevent foreign matter

from entering pipes when keel cooler hoses are removed. Damage to equipment

could result.

Ensure that the boat is firmly supported before working under it.

NOTE

There are four keel coolers in the boat. Two keel coolers are located under the aft

compartment and two are located under the engine compartment.