Kubota M8540 Workshop Manual page 140

M8540, M9540, WSM
CAUTION
• When removing the radiator cap, wait at least ten minutes after the engine has stopped and cooled down.
Otherwise, hot water may gush out, scalding nearby people.
Fan Belt Damage and Wear
1. Check the fan belt for damage.
2. If the fan belt is damaged, replace it.
3. Check if the fan belt is worn and sunk in the pulley groove.
4. If the fan belt is nearly worn out and deeply sunk in the pulley
groove, replace it.
(A) Good
Radiator Cap Air Leakage
1. Set a radiator tester on the radiator cap.
2. Set a radiator tester.
Apply the specified pressure of 88 kPa (0.9 kgf/cm
3. Check if the pressure drop to less than 59 kPa (0.6 kgf/cm
in 10 seconds.
4. If the pressure is less than the factory specification, replace it.
Radiator Water Leakage
1. Pour a specified amount of water into the radiator.
2. Set a radiator tester.
Increase water pressure to the specified pressure of 137 kPa (1.4
2
kgf/cm , 20 psi).
3. Check the radiator for water leaks.
4. When water leakage is excessive, replace the radiator. If water
leakage is caused by a small pinhole, correct the radiator with
radiator cement.
1-S17
ENGINE
(B) Bad
W1021108
2
, 13 psi).
W1021320
W1072497
KiSC issued 09, 2008 A
2
, 9 psi)