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OPE_EF312T&352T_en.doc
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 sever burns.
Check
Open the bonnet and check water level in the sub tank
water is between “FULL” and “LOW” marks.
If water is insufficient, add clean water.
(A) Sub-tank (cooling water)
(B) Cooling water supply port
(C) Radiator cap
(U) Upper limit (FULL)
(L) Lower limit (LOW)
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.
(CD) Coolant drain plug
IMPORTANT
The mixing ratio of anticorrosive varies depend on
manufacturer. Follow the instruction of its
manufacturer.
8. Bleeding fuel lines of air
If the engine stops due to lack of fuel or if the fuel
strainer element or fuel piping has ever been detached
for maintenance purpose, bleed air by the following
procedure:
(1) Fill up fuel tank if engine stop by short of fuel.
(2) See the bawl of water separator is filled with fuel
and fuel cock is open.
(3) Pull accelerator lever backward to the maximum
speed position.
(4) Turn the main switch in the start position and run the
starter motor for 5 - 10 seconds.
IMPORTANT
Never run starter motor more than 10 seconds. It may
cause breakage of starter motor. If you cannot start
engine within 10 seconds, restart engine after 2-5
minutes.
(A) Accelerator lever
(FA) Increase speed (higher speed)
