TM 5-3805-263-14&P-3
Use all cleaning solutions with care.
Most commercial cooling system cleaners may be used.
11. Close the drain valve and clean and install all drain
plugs. Fill the system with clean water. Start and run the
5. Close the drain valve and install all the drain plugs.
engine for 5 minutes with the radiator cap off. Drain the
1
Fill the system with cleaning solution( ).
cooling system.
6. Start and run the engine for 1/2 hour.
Stop the
12. Repeat step 11 until the water drained is clean.
engine and drain the cleaning solution.
13. Mix the antifreeze solution to provide protection to
the lowest expected ambient temperature. If liquid
7. Flush the system with clean water until the draining
coolant conditioner is used, do not completely fill the
water is clean. Do not run the engine while flushing.
cooling system. Allow for addition of conditioner to give
a 3% solution.
8. Close the drain valve and install all drain plugs. Fill
14. Close the drain valve and clean and install all drain
2
the system with neutralizing solution( ).
plugs. Add coolant slowly, 19 liters (5 U.S. gallons) per
minute or less, to proper level.
9. Start and run the engine for 10 minutes. Stop the
15. Add 1.9 liters
(2
quarts)
of
cooling
system
engine and drain the neutralizing solution.
conditioner.
16. Start and run the engine with the filler cap removed
10. Flush the system with clean water until the draining
until the coolant level stabilizes.
Add coolant if
water is clean. Do not run the engine while flushing.
necessary. Install the filler cap and stop the engine.
1
( ) 1 kilogram Sodium Bisulfate (NaHSO4) per 40 liters
(2 lb. per 10 U.S. gallons) water.
2
( ) 250 grams Sodium Carbonate Crystals (Na2CO310
H20) per 40 liters (1/2 lb. per 10 U.S. gallons) water.
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