TRBL
SHTG
Troubleshooting
9-9
62Y5A11
Symptom: Engine can run, but engine speed will not increase.
Overheat warning indicator is on.
Oil pressure warning indicator is on.
Warning indicator is on and buzzer is sounding.
• Check the water cooling system.
• Check the lubricating system.
(Cooling system)
Check the water inlet for clogs
or debris.
Check the thermo sensor.
Check that cooling water is dis-
charged from the pilot water
outlet.
Replace the thermostat.
Replace the CDI unit.
Replace the thermo sensor.
Check the water
pump impeller.
Check the water
passage.
Clogs or debris?
Is water dis-
charged?
Good condition?
Clean the water inlet.
Yes
No
No
Yes
Yes
Yes
No
No
Check the thermostat operation.
Replace the impel-
ler.
No
Yes
Good condition?
Good condition?
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