TM-9-2815-205-34

ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

AUGUST 1992

TM-9-2815-205-34 - Page 397 of 596

TM 9-2815-205-34

(2) Engine oil cooler

If necessary, remove pipe plug (12) from

bottom of engine oil cooler housing (13).

b. Cleaning

NOT E

Do not clean an oil cooler if

metal particles from engine or

transmission have entered oil

system. Instead, replace oil

cooler.

(1) Engine oil cooler - oil side

1, 1, 1 trichloroethane solution is toxic. Wear protective goggles and gloves and

use in a well-ventilated area to avoid personal injury. Avoid breathing the fumes

or direct contact with your skin.

Use recommended safety equipment as

required.

(a) Pump 1, 1, 1 tricholorethane through oil cooler (14) to remove sludge (ref. page 3-269).

Dry cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles

and gloves and use in a well-ventilated area. Avoid contact with skin, e es, and

clothes. Do not breathe vapors. Do not use near open flame or excessive heat.

The flash point is 100-138°F (38-50°C). If you become dizzy while using cleaning

solvent, get fresh air immediately and seek medical aid. if contact with eyes is

made, wash with water and get medical aid Immediately.

(b) If oil passages are badly clogged, circulate cleaning solvent through oil cooler and flush

thoroughly with clean, hot water.

(2) Engine oil cooler - water side

Coolant system cleaning solution is an acid. Wear protective goggles and

equipment. Avoid contact with skin, eyes, and clothing. If contact is made, flush

area with water and seek medical aid immediately or injury may result.

(a) Mix a solution composed of one-fifth hydrochloric acid and four-fifths water. Add 0.5 pound

of oxalic acid for each 2.5 gallons of solution.

3-267