Kubota ZG222A-AU, Operator'S Manual

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83 TROUBLESHOOTING
If you have any questions, contact your local KUBOTA Dealer.
Engine stops suddenly.
A
Insufficient fuel.
A
Refuel.
A
Check the fuel valve position.
A
Check the carburetor fuel valve
position.
Rough engine running.
A
Spark plug defective.
A
Adjust the spark plug gap or replace it.
A
High tension cord defective.
A
See your Kubota dealer.
A
Carburetion problems.
A
See your Kubota dealer.
A Ignition coil defective. A See your Kubota dealer.
A
Choke is adjusted incorrectly.
A
See your Kubota dealer.
A
Fuel hose or fuel filter clogged or
damaged.
A
Clean or replace fuel lines, and see
your Kubota dealer.
A Improper or stale fuel.
(Fuel quality is poor.) A Replace fuel and the fuel filter.
A
Air cleaner is clogged.
A
Clean or replace the air cleaner.
Exhaust fumes are colored.
(Black, Dark or Gray)
A
Overload.
A
Reduce load.
A Low grade fuel is used. A Use specified fuel.
A
Fuel filter is clogged.
A
Replace the fuel filter.
A
Air cleaner is clogged.
A
Clean or replace the air cleaner
element.
A Choke is not fully opened. A Check the choke knob position.
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
See 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
Engine air intake screen and cooling
fins are dirty.
A
Clean the air intake screen and cooling
fins.
A
Air cleaner element is plugged.
A
Clean or replace the air cleaner
element.
A
Engine speed is too low.
A
Operate at the "FAST" speed.
A
Operating ground speed is too fast.
A
Operate the machine at the slower
ground speed.
Engine knocks. A Stale or low octane fuel. A Use specified fuel.
A
Engine overloaded.
A
Lower ground speed or reduce load.
A
Engine speed is too low.
A
Operate at the "FAST" speed.
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.
A
Carburetion problem.
A
See your Kubota dealer.
Symptom (If) Cause Remedy