Kubota RTV500, Operator'S Manual

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74 TROUBLESHOOTING
If you have any questions, consult your local KUBOTA Dealer.
Rough engine running.
A
Spark plug defective.
A
Adjust the spark plug gap or replace it.
A
High tension cord defective.
A
Consult your KUBOTA Dealer.
A
Ignition coil defective.
A
Consult your KUBOTA Dealer.
A Fuel hose or fuel filter clogged or
damaged. A Clean or replace fuel lines, and consult
your KUBOTA Dealer.
A
Improper or stale fuel.
(Fuel quality is poor.)
A
Replace fuel and consult your
KUBOTA Dealer.
A Air cleaner is clogged. A Clean or replace the air cleaner
element.
Exhaust fumes are colored.
(Black, Dark or Gray)
A
Overload.
A
Reduce load.
A
Low grade fuel is used.
A
Use specified fuel.
A Air cleaner is clogged. A Clean or replace the air cleaner
element.
Exhaust fumes are colored.
(White or Blue)
A
Excessive engine oil.
A
Reduce to the specified oil level.
A
Piston ring is worn or stuck.
A
Consult your KUBOTA Dealer.
Engine overheats. A Engine is overloaded. A Lower speed or reduce load.
A
Engine oil is insufficient.
A
Replenish engine oil.
A
Low coolant level.
A
Fill cooling system to the correct level;
check radiator and hoses for loose
connections or leaks.
A
The motor driven fan does not turn.
A
Check to see if the fuse is not blown.
A
Check the electric system.
A
Dirty radiator core or grille screens.
A
Remove all trash.
A Coolant flow route corroded. A Flush cooling system.
Engine diagnostic light
comes on.
---
A
Consult your KUBOTA Dealer.
Engine will not idle.
A
Spark plug defective.
A
Adjust the spark plug gap or replace it.
A Faulty spark plug. A Replace the spark plug.
Trouble Cause Countermeasure