Note:
If you find no or low alternator output , check that the regulator/rectifier is properly grounded, and
that all electrical connections are clean and secure.
If there is still no or low alternator output, replace the regulator/rectifier.
Troubleshooting the Machine
Problem
Possible Cause
Corrective Action
1. The plastic lanyard clip is removed
from the presence-control switch.
1. Insert the plastic lanyard clip is inserted
into the presence-control switch.
2. The battery does not have a full
charge.
2. Charge the battery; refer to the
Charging the Battery, and Jump
Starting the Machine procedures.
3. An electrical connection(s) is corroded,
loose or faulty.
3. Check the electrical connection(s)
for good contact. Clean the
connector terminals thoroughly with
electrical-contact cleaner, apply
dielectric grease to the terminals, and
connect the connectors.
4. A fuse is open.
4. Replace the open fuse.
The starter does not rotate the engine.
5. A relay or switch is worn or damaged.
5. Contact an authorized Toro service
dealer.
1. The fuel tank is empty.
1. Fill the fuel tank with fuel.
2. The throttle lever or choke lever or
both are not in the correct position.
2. Move the throttle control is midway
between the S
LOW
and F
AST
positions.
Set the choke to the O
N
position when
starting a cold engine or set the choke
to the O
FF
position when starting a
warm engine.
3. There is dirt in fuel filter.
3. Replace the fuel filter; refer to
Replacing the Fuel Filter procedure.
4. There is dirt, water, or stale fuel is in
the fuel system.
4. Contact an authorized Toro service
dealer.
5. The air-filter elements are dirty.
5. Clean the foam-filter element or
replace the paper-filter element.
6. An electrical connection(s) is corroded,
loose or damaged.
6. Check the electrical connection(s)
for good contact. Clean the
connector terminals thoroughly with
electrical-contact cleaner, apply
dielectric grease to the terminals, and
connect the connectors.
7. A relay or switch is worn or damaged.
7. Contact an authorized Toro service
dealer.
8. The spark plug is worn or damaged.
8. Clean, adjust or replace spark plug.
The engine does not start, it starts hard, or
it fails to keep running.
9. The spark-plug wire is not connected
to the spark plug.
9. Check the spark-plug wire connection
at the spark plug.
1. The engine load is excessive.
1. Reduce the ground speed of the
machine.
2. The air-filter elements are dirty.
2. Clean the foam-filter element or
replace the paper-filter element.
3. The oil level in the engine is low.
3. Add oil into the engine to the proper
oil level.
4. The cooling fins and the air passages
for the engine are plugged with dirt or
debris.
4. Clean the cooling fins and the air
passages.
5. There is dirt in the fuel filter.
5. Replace the fuel filter; refer to
Replacing the Fuel Filter procedure.
The engine loses power.
6. There is dirt, water, or stale fuel is in
the fuel system.
6. Contact an authorized Toro service
dealer.
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