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WARNING
• FUSO DIESEL LONGLIFE COOLANT is flammable. Keep it away from heat and flames.
CAUTION
• If you accidentally splash FUSO DIESEL LONGLIFE COOLANT in your eyes, wash it out immediately with
water and seek medical attention.
• Ordinary condition
• Coolant extremely dirty
• Radiator clogged
Flushing with water
Cleaning using FUSO RADIATOR CLEANER (RADIPET-7)
Drain out coolant
Make water solution of FUSO RADIATOR CLEANER
(RADIPET-7) at 5 to 10% concentration in volume.
Pour solution into surge tank.
Let the engine idle for 30 minutes with the water at approxi-
mately 90°C.
CAUTION
• Limit the engine idling period to one hour. Operating
an engine containing the cleaning solution for long-
er time may lead to damage of the cooling system.
Drain out coolant
Pour tap water (preferably hot) into the surge tank.
Let the engine idle for 10 minutes with the water
at approximately 90°C.
Cleaning is complete if drained water is clear
Repeat procedure if drained water is not clear
• After cleaning the cooling system using cleaning solu-
tion, fill it with coolant containing the specified additive as
soon as possible.
• To prevent freezing of the coolant and corrosion of the
cooling system, add the specified portion of FUSO DIE-
SEL LONGLIFE COOLANT to the coolant. (See the
Owner’s Handbook for instructions on the use of the ad-
ditive.)
Drain out water
ON-VEHICLE INSPECTION AND ADJUSTMENT