12-52 Simple inspection and service
2 Water used with coolant
Use soft water with the properties shown in the fol-
lowing table. Do no use hard water from wells and
rivers as it is liable to form scales and cause corro-
sion.
3 Using coolant additive
To prevent the cooling system freezing up and mini-
mize corrosion, use FUSO DIESEL LONGLIFE
COOLANT or an equivalent. FUSO DIESEL
LONGLIFE COOLANT is an ethylene-glycol-based
antifreeze (SAE J814-C) with both anti-freeze and
anti-corrosion properties. Dilute it with soft water to
the specified concentration.
Total hardness 300 ppm or less
Sulfate SO
4
–
100 ppm or less
Chloride Cl
–
100 ppm or less
Total dissolved solids 500 ppm or less
pH 6 to 8
Z09270
FE_FG.book Page 52 Tuesday, February 8, 2011 4:00 PM
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