Mitsubishi 6M70 Workshop Manual page 248

ON-VEHICLE INSPECTION AND ADJUSTMENT
• Ordinary condition
Flushing with water
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.
Drain out water
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.)
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.
14-10
• Coolant extremely dirty
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.
• Radiator clogged