Checking Fan Belt Damage And Wear; Checking Radiator Cap Air Leakage; Checking Radiator Water Leakage - Kubota WSM 05-E4B Series Workshop Manual

4. ENGINE
(B) Deflection
4.5 Checking fan belt damage and
wear
1. Check the fan belt for damage.
(A) Good
NOTE
• If the fan belt has a damage, replace it.
2. Check if the fan belt is worn out and sunk in the
pulley groove.
(A) Good
4-20
(B) Bad
(B) Bad
NOTE
• If it is "Bad" (B), replace it.
4.6 Checking radiator cap air
leakage
CAUTION
• Remove the radiator cap only after you stop the
engine for a minimum of 10 minutes to decrease
its temperature.
If not, hot water can gush out and cause injury.
Tools required
• Radiator cap tester and an adapter
1. Set a radiator tester and an adapter on the radiator
cap.
2. Apply the specified pressure.
Specified pressure
3. Measure the time for the pressure to decrease to
specified pressure.
Pressure decreas- Service specifi-
ing time cation
NOTE
• If the measurement is less than the service
specification, replace the radiator cap.

4.7 Checking radiator water leakage

NOTE
• The pressure of the leak test is different for
each radiator specification.
SERVICING
4. Checking and adjusting
88 kPa
2
0.90 kgf/cm
13 psi
More than 10 seconds for
pressure decrease
From 88 to 59 kPa
From 0.90 to
2
0.60 kgf/cm
From 13 to 8.6 psi
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A