5 - 27
Drainage cock
Radiator cap
5-11. Every 1500hr or 2-year check
(1) Replacing radiator coolant
After cooling down the engine enough, open the
radiator cap slowly.
Set a clean container under radiator drainage
cock.
Warning
▶
When opening the radiator cap,
be careful of the escaping hot
water or steam.
▶
Cool down the coolant
sufficiently before opening.
Loosen radiator drainage cock and drain engine
coolant completely.
Before adding new coolant, wash out the
radiator with clean water 2~3 times.
Apply the overflow tube and add new coolant up
to the filler neck. Fill up the expansion tank with
coolant above the MIN.
For coolant specification, see chapter 5-3,
“Lubricants and Capacity” or the last page in this
manual.
Add clean soft water as the coolant, not hard
water like well water. If not, the radiator shall be
corroded or rusted.
Change the coolant with anti-freeze solution in
cold weather.
Anti-freeze solution is filled up from the factory.
After first winter, change the coolant to remove
foreign materials.
