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 388 of 596
TM 9-2815-205-34
3-56. ENGINE/TRANSMISSION OIL COOLER REPAIR (MODEL 5063-5299) (Cont)
•
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, eyes, 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.
•
Compressed air used for cleaning purposes will not exceed 30 PSI. Use only
with effective chip guarding and personal protective equipment (goggles/shield,
gloves, etc.)
(2) Clean oil cooler housing and cover with cleaning solvent and dry with compressed air.
(3) Oil cooler – water side
Cooler cleaning solution is made from two
strong acids. Wear protective
goggles and equipment. Avoid contact with skin, eyes, and clothing. Always
pour acid into water. Water poured into acid will spatter the acid. If contact is
made, flush area with water and seek medical aid immediately or injury may
result.
(a)
(b)
(c)
(d)
(e)
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.
Immerse oil coolers in solution.
Watch cleaning process carefully. Remove oil coolers from solution when bubbling stops
(usually 30 to 60 seconds).
Flush oil coolers in clean hot water.
After cleaning oil coolers, dip in light oil.
c. Pressure check
WARNING
Protect personnel against any stream of pressurized water from a leak or rupture
of a fitting, hose, or oil cooler during high-pressure air-leak test.
(1) Engine oil cooler
(a) Install rubber gasket (14), fabricated blocking plate (15), eight 5/16-inch diameter bolts, flat
washers, and nuts on flanged side of engine oil cooler (16).
3-258
WARNING
WARNING
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