CLEANING -624880425

TM 5-2420-222-20-1

ENGINE COOLANT HEATER HOSES AND FITTINGS (OPTIONAL) - CONTINUED

ACTION

LOCATION

ITEM

REMARKS

DISASSEMBLY

10.

Elbow (1)

Tube nipple (2)

a. Secure elbow (1) in machinist's vise.

b. Using open-end wrench, unscrew and

take out.

c. Remove elbow (1) from machinist's

vise.

CLEANING

NOTE

For more information on how to clean parts, go to General Maintenance Instructions (page 2-137).

WARNING

Drycleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and gloves and use only in

a well ventilated area. Avoid contact with skin, eyes, and clothes and don't breathe vapors. Do not use

near open flame or excessive heat. The flashpoint is 100F to 138F (38 to 59C). If you become dizzy

while using cleaning solvent, get fresh air Immediately and get medical aid. If contact with eyes is made,

wash your eyes with water and get medical aid immediately.

11.

All metal

a. Clean in drycleaning solvent.

parts

b. Using clean, dry rags, wipe dry.

12.

All hoses

a. Clean in solution of detergent and

water.

b. Rinse in clean water.

c. Using clean, dry rags, wipe dry.

INSPECTION/REPLACEMENT

NOTE

For more information on how to inspect parts, go to General Maintenance Instructions (page 2-137).

Replace defective parts as needed.

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