EF393T OM
56
7. Engine coolant
DANGER
Never open the radiator cap when the engine is hot. Hot
steam and boiled water may blow out and you may suffer
severe burns.
Check
Open the bonnet and check water level in the sub-tank
whether water is between “FULL” and “LOW” marks. If
water is insufficient, remove sub-tank cap and add clean
water.
Be sure to close the sub-tank cap firmly.
(A) Sub-tank
(B) Sub-tank cap
(C) Upper limit (FULL)
(D) Lower limit (LOW)
(E) Radiator cap
Replacing coolant
(1) Remove the coolant drain plug and drain cooling water.
It is easier for draining to open radiator cap.
(2) Clean the inside of radiator with tap water until dust or
rust does not come out.
It is suggested to use radiator detergent. Fill radiator
with water and detergent and run the engine in idle
speed for more than 15 minutes. Drain the water.
(3) Fill radiator with clean water.
It is recommended to mix anticorrosive. Run the
engine for about 5 minutes in idle speed to mix water
and anticorrosive.
(A) Coolant drain plug
(B) Hose clip
IMPORTANT
The mixing ratio of anticorrosive varies depend on
manufacturer. Follow the instruction of its manufacturer.
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