12-39
If the coolant becomes very dirty, replace it immedi-
ately regardless of the specified replacement inter-
vals.
1 Recommended coolant
Use a coolant containing the FUSO DIESEL
LONGLIFE COOLANT additive and soft water in the
specified proportions.
Having both corrosion preventive and anti-freezing
properties, the additive protects the cooling system
all year around.
Replace and top off the coolant only with water con-
taining FUSO DIESEL LONGLIFE COOLANT or an
equivalent.
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.
Engine coolant – check and
replacement
Inspection intervals
At the time of pre-oper-
ational check
Replacement intervals Every 24 months
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
FEFG.book Page 39 Thursday, March 10, 2005 7:30 PM