TM 5-3810-300-24&P-3
13.3
Fuel, Oil and Coolant Specifications
TABLE 1
PARTS PER
GRAINS PER
MILLION
GALLON
Chlorides (Maximum)
40
2.0
Sulfates Maximum)
100
5.8
Total Dissolved Solids (Maximum)
340
20
Total Hardness (Maximum)
170
10
Refer to Table 2 for evaluation of Vater intended for use in a coolant solution.
Figure 1
exceeds 1% by volume. For example: 1-1/4% of soluble
Soluble Oil
oil in the cooling system increases fire deck
temperatures 6% and a 2-1/2% concentration raises fire
deck temperature up to 15%. Soluble oil must not be
Soluble oil has been used as a corrosion inhibitor for
used as a corrosion inhibitor.
many years. It has, however, required very close
attention relative to the concentration level due to
adverse effects on heat transfer if the concentration
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