Troubleshooting - Toro 39519 Operator's Manual

Troubleshooting

Problem
The starter does not crank.
The engine does not start, starts hard, or
fails to keep running.
The engine loses power.
The engine overheats.
The machine pulls left or right (with levers
fully forward).
Possible Cause
1. The parking brake is not set.
2. The brake switch is not adjusted
properly.
3. The battery does not have a full
charge.
4. The electrical connections are
corroded, loose or faulty.
5. A fuse is blown.
6. A relay or switch is faulty.
1. The fuel tank is empty.
2. The fuel shutoff valve is closed.
3. The throttle and choke are not in the
correct position.
4. There is dirt in the fuel filter.
5. There is dirt, water, or stale fuel is in
the fuel system.
6. The air cleaner is dirty.
7. The electrical connections are
corroded, loose or faulty.
8. A relay or switch is faulty.
9. The spark plug is faulty.
10. The spark-plug wire is not connected.
1. The engine load is excessive.
2. The air cleaner is dirty.
3. The oil level in the crankcase is low.
4. The cooling fins and air passages for
the engine are plugged.
5. There is dirt in the fuel filter.
6. There is dirt, water, or stale fuel is in
the fuel system.
1. The engine load is excessive.
2. The oil level in the crankcase is low.
3. The cooling fins and air passages for
the engine are plugged.
1. The tire pressure in drive tires is not
correct.
2. The tracking needs adjustment.
53
Corrective Action
1. Engage the parking brake.
2. Adjust the brake switch.
3. Charge the battery.
4. Check the electrical connections for
good contact. Clean the connector
terminals thoroughly with electrical
contact cleaner, apply dielectric
grease, and reconnect.
5. Replace the blown fuse.
6. Contact an Authorized Service Dealer.
1. Fill the fuel tank.
2. Open the fuel shutoff valve.
3. Be sure the throttle level is midway
between the Slow and Fast positions,
and the choke is in the On position for
a cold engine or the Off position for a
warm engine.
4. Replace the fuel filter.
5. Contact an Authorized Service Dealer.
6. Clean or replace the air cleaner
element.
7. Check the electrical connections
for good contact. Clean connector
terminals thoroughly with electrical
contact cleaner, apply dielectric
grease, and reconnect.
8. Contact an Authorized Service Dealer.
9. Clean, adjust, or replace the spark
plug.
10. Check the spark-plug wire connection.
1. Reduce the ground speed or aeration
depth.
2. Clean or replace the air cleaner
element.
3. Add oil to the crankcase.
4. Remove the obstructions from the
cooling fins and air passages.
5. Replace the fuel filter.
6. Contact an Authorized Service Dealer.
1. Reduce the ground speed or aeration
depth.
2. Add oil to the crankcase.
3. Remove the obstructions from the
cooling fins and air passages.
1. Adjust the tire pressure in the drive
tires.
2. Adjust the traction-control linkage.