Kubota ZG222A-AU, Operator'S Manual

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82 TROUBLESHOOTING
TROUBLESHOOTING
ENGINE TROUBLESHOOTING
If something is wrong with the engine, refer to the table below for the cause and its corrective measure.
Symptom (If) Cause Remedy
Engine is difficult to start or
will not start.
A
No operator on the seat.
A
Sit on the operator's seat.
A
Parking brake pedal not in the proper
position.
A
Apply the parking brake.
A
PTO lever not in the proper position.
A
Make sure PTO lever is in
"DISENGAGED" (OFF) position.
A
Motion control levers not in the proper
position.
A
Make sure motion control levers are in
"NEUTRAL LOCK" position.
A
Key switch is not in the proper position.
A
Make sure key switch is in "ON"
position.
A
Carburetor fuel drain valve in the
"STOP" (CLOSE) position.
A
Open the carburetor fuel valve.
"RUN" (OPEN) position.
A
No fuel.
A
Replenish fuel.
A
Improper or stale fuel.
(Fuel quality is poor.)
A
Replace fuel and the fuel filter.
A Water or dirt in the fuel system. A Replace fuel and 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 Air cleaner is clogged. A Clean or replace the air cleaner.
A
Spark plug defective.
A
Adjust the spark plug gap or replace
the spark plug.
A
Check the spark plug wire connection.
A Fuse is blown. A Replace the fuse.
A
Engine oil viscosity is wrong.
A
Use oils of different viscosities,
depending on ambient temperature.
A Battery becomes weak and the engine
does not turn over quick enough. A Clean battery cables and terminals.
A Charge the battery.
A
In cold weather, always remove the
battery from the engine, charge and
store it indoors. Install it on the machine
only when the machine is going to be
used.
A
Over choking or choke is adjusted
incorrectly.
A
Check and see your Kubota dealer.
Insufficient engine power. A Insufficient or dirty fuel. A Check the fuel system.
A
Fuel filter is clogged.
A
Replace the fuel filter.
A
Air cleaner is clogged.
A
Clean or replace the air cleaner.
A Spark plug defective. A Adjust the spark plug gap or replace it.