TROUBLESHOOTING
ENGINE TROUBLESHOOTING
If something is wrong with the engine, refer to the following table for the cause and its corrective measure.
Symptom (if)
Cause
Remedy
The engine is difficult to start or
will not start.
•
No operator on the seat.
•
Sit on the operator's seat.
•
Parking brake lever not in the proper position.
•
Apply the parking brake.
•
PTO switch not in the proper position.
•
Make sure the PTO switch is in the
“DISEN-
GAGED”
(OFF) position.
•
The motion control levers not in the proper po-
sition.
•
Make sure motion control levers are in the
“NEUTRAL LOCK”
position.
•
The key switch not in the proper position.
•
Make sure the key switch is in the
“ON”
posi-
tion.
•
No fuel.
•
Fill with fuel.
•
Improper or stale fuel (fuel quality is poor).
•
Replace fuel and the fuel filter.
•
Water or dirt in the fuel system.
•
Replace fuel and see your KUBOTA Dealer.
•
Fuel hose or fuel filter clogged or damaged.
•
Clean or replace fuel lines and see your KU-
BOTA Dealer.
•
Air cleaner clogged.
•
Clean or replace the air cleaner.
•
Spark plug damaged.
•
Adjust the spark plug gap or replace the spark
plug.
•
Check the spark plug wire connection.
•
Fuse blown.
•
Replace the fuse.
•
The engine oil viscosity is wrong.
•
Use oils of different viscosities, depending on
the ambient temperature.
•
The battery becomes weak and the engine
does not turn over quick enough.
•
Clean battery cables and terminals.
•
Charge the battery.
•
In cold weather, always remove the battery
from the engine, charge and store it indoors.
Install it on the machine only when the ma-
chine is going to be used.
•
Over choking or choke adjusted incorrectly.
•
Check and see your KUBOTA Dealer.
•
Fuel valve is closed.
•
Open fuel valve.
Insufficient engine power.
•
Insufficient or dirty fuel.
•
Check the fuel system.
•
Fuel filter clogged.
•
Replace the fuel filter.
•
Air cleaner clogged.
•
Clean or replace the air cleaner.
•
Spark plug damaged.
•
Adjust the spark plug gap or replace it.
The engine stops suddenly.
•
Insufficient fuel.
•
Refuel.
•
Check the fuel valve position.
•
Check the carburetor fuel valve position.
(Continued)
ENGINE TROUBLESHOOTING
TROUBLESHOOTING
Z231KW-AU
67
Summary of Contents for Z231KW-AU
Page 7: ...4 Z231KW AU ...
Page 13: ...SAFETY LABELS SAFE OPERATION 10 Z231KW AU ...
Page 14: ...SAFE OPERATION Z231KW AU 11 ...
Page 15: ...SAFE OPERATION 12 Z231KW AU ...
Page 16: ...SAFE OPERATION Z231KW AU 13 ...
Page 66: ... 1 Cutting height fine tuning bolt 2 Jam nut MOWER DECK LEVEL ADJUSTMENT Z231KW AU 63 ...
