Replacing The Coolant - Kubota KX91-3a2 Operator's Manual

Maintenance
When the oil level is too high or too low, the engine might get damaged during operation.
When changing the engine oil, fill engine oil up to the MAX mark.
•
Close the engine compartment cover.
•

Replacing the coolant

Drain the coolant only when the engine is cold.
Total cooling system capacity:
Open the engine compartment cover (page 91).
•
Remove the left engine compartment cover (page 91).
•
Open the radiator cap (1).
•
Open the central coolant drain (1) and drain the coolant
•
completely.
Fill the coolant in a container and dispose of it in
accordance with the prevailing environmental
protection regulations.
Purge the cooling system if the coolant is very dirty. To do this,
spray water without additives into the cooling system with a
hose through the filler opening until clear water emerges at the
outlet.
Close the central drain.
•
Remove the coolant expansion reservoir (1) and drain it,
•
cleaning it if necessary. Refit the reservoir.
Fill the premixed coolant into the radiator and expansion
•
reservoir.
Do not operate the cooling system with pure water
(even in summer). The antifreeze also contains a
corrosion inhibitor.
5.6 L
108