TM 5-3805-260-10
Engine Coolant
Use a mixture of fill water and antifreeze.
Fill Water
Acceptable water for use in the ethylene glycol-type antifreeze and water mixture is shown on the chart below:
ACCEPTABLE WATER
WATER CONTENT
50% OR MORE ANTIFREEZE
LESS THAN 50% ANTIFREEZE
Chlorides
100 ppm or less
50 ppm or less
Sulfates
100 ppm or less
50 ppm or less
Hardness as Ca Co3
200 ppm or less
100 ppm or less
Dissolved Solids
500 ppm or less
250 ppm or less
pH
6.5 or higher
6.5 or higher
ppm = parts per million
Antifreeze
Use MI L-A-46153, Antifreeze, Ethylene Glycol, Inhibited, Heavy Duty and follow the instructions for use in TB-750-651,
Use of Antifreeze Solutions and Cleaning Compounds in Engine Cooling Systems.
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