ENGINE
3-27
15. COOLANT
CAUTION
•
Continuing to use the coolant after the speci-
fied replacement period could damage the
engine and cooling system components due
to rusting and other problems. Replace the
coolant at the specified replacement period
intervals.
• When replacing or adding coolant, be sure to
use FUSO DIESEL LONGLIFE COOLANT or
an equivalent. Using any coolant other than
FUSO DIESEL LONGLIFE COOLANT or an
equivalent could cause corrosion and dam-
age to the radiator.
(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-freez-
ing properties, the additive protects the cooling
system all year around.
Replace and top off the coolant only with water
containing FUSO DIESEL LONGLIFE COOL-
ANT or an equivalent.
(2) Water used with coolant
Use soft water with the properties shown in the
following table. Do no use hard water from wells
and rivers as it is liable to form scales and cause
corrosion.
Inspection intervals
At the time of pre-operational
check
Replacement Intervals
Every 50,000 km (30,000
miles) or every 24 months
Total hardness 300 ppm or less
Sulfate SO
4
–
100 ppm or less
Chloride CI
–
100 ppm or less
Total dissolved solids 500 ppm or less
pH 6 to 8
FUSO ASCENT-ALEJANDRO CANTO
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