5-20
TM 9-2350-267-20
RADIATOR: CLEANING
The radiator cleaning tool (11641959) is designed to remove
deposits of sand, oil, clay and other debris from the radiator cooling
fins while installed in the vehicle. The cleaning agent may be a
water solution of detergent and water, or nontoxic, nonflammable
solvent and water. Mix one part of detergent or solvent to approx-
imately five parts of water. A solution of detergent and water is
recommended.
A
B
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D
E
F
G
H
I
Remove eight screws (1) and radiator shroud cover (2).
Open hull drains (TM 9-2350-267-10).
Cover all exposed openings of the engine.
Connect radiator cleaning tool (3) to air supply and insert
hose in container of solution.
Insert cleaning tool through shroud cover opening (4).
Saturate front and back of radiator with solution. Soak for
approximately 10 minutes.
Remove heavy deposits from face of radiator by brushing
with medium stiff brush that will not damage the fins.
Blast radiator exterior with air/liquid mixture, hold head of
tool approximately 1/2 inch from face of radiator. Alternate
from back to front until a good flow of liquid over the
radiator fins is observed over entire area.
Flush engine parts and exterior of radiator with clean
water. Remove hose from container and use air to complete
the operation.
Uncover engine openings. Install radiator shroud cover (2)
with eight screws (1). Close hull drains.
NOTE
If overheating still occurs, notify Direct Support
Maintenance.
TA310312
