Kubota M100GX Operator's Manual page 140

118 PERIODIC SERVICE
(1) Radiator hoses
(2) Hose clamps
(1) Radiator hoses
(2) Hose clamps
C Precaution at Overheating
Take the following actions in the event the coolant
temperature is nearly or more than the boiling point, what
is called "Overheating"
1. Park the tractor in a safe place and keep the engine
unloaded idling.
2. Don't stop the engine suddenly, but stop it after about
5 minutes of unloaded idling.
3. Keep yourself well away from the machine for further
10 minutes or while the steam blows out.
4. Check that there are no dangers such as burns. Get rid
of the causes of overheating according to the manual,
see "TROUBLESHOOTING" section, and then, start
again the engine.