Add the long-life anti-freeze and anti-rust liquid into the radiator. The
coolant is all-purpose and need not be charged/discharged in the
winter. When selecting the freezing point of the coolant, it should be 5
°
C lower than the minimum ambient temperature. Different types of
coolants should not be mixed.
NOTE: The coolant should be replaced every 2 years.
An antifreeze and a rust inhibitant solution (a mixture of the glycol and
water) should be added to the cooling system to prevent settling,
freezing, and oxidizing as well as to raise the boiling point.
CAUTION
Add the same type of coolant to prevent settling. If the coolant is
substandard or the freezing point is too high, replace it
immediately.
Long term operation of the engine may cause lime scale to build up in
the cooling system. Cooling system must be cleaned by the following
method:
•
Blend the causticity sodium of 24/28 oz. (700/800 gm) with
kerosene of 5.25 oz. (150 gm)
•
Pour the liquid mixture into the radiator.
•
Let the engine run for 5 to 10 minutes at a middle rate.
•
Let the engine rest for 10 to 12 hours.
•
Restart and run the engine for 10 to 15 minutes.
•
Drain the solution.
•
Once this is complete, flush the radiator with clean water.
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