4. COOLANT
Do not open the radiator cap while the
engine is running or right after the engine
is stopped. Open the radiator cap only af-
DANGER
ter the engine is stopped and fully cooled
down.
[Otherwise]
Hot water will splash and may cause burn in-
jury.
6640C OPERATORS MANUAL (012612).indd 134
PERIODIC MAINTENANCE & ADJUSTMENT
CHECKING
Open the engine hood and see if the water lever in the
reservoir is between the upper and lower limit. Add clean
water as necessary.
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