Troubleshooting - Toro TITAN ZX 4800 Operator's Manual

Troubleshooting

Problem
The starter does not crank.
The engine will not start, starts hard, or
fails to keep running.
The engine loses power.
The engine overheats.
The mower pulls left or right (with levers
fully forward).
Possible Cause
1. The blade control switch (PTO) is
engaged.
2. The parking brake is not on.
3. The drive levers are not in neutral lock
position.
4. The operator is not seated.
5. The battery is dead.
6. The electrical connections are corroded
or loose.
7. The fuse is blown.
8. The relay or switch is defective.
1. The fuel tank is empty.
2. The fuel shutoff valve is closed.
3. The oil level in the crankcase is low.
4. The throttle and choke are not in the
correct position.
5. There is dirt in fuel filter.
6. Dirt, water, or stale fuel is in the fuel
system.
7. The air cleaner is dirty.
8. The seat switch is not functioning
properly.
9. The electrical connections are
corroded, loose or faulty.
10. The relay or switch is defective.
11. The spark plug wire is not connected.
12. There is a faulty spark plug.
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
above the engine are plugged.
5. The vent hole in the fuel cap is plugged.
6. There is dirt in the fuel filter.
7. 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
above the engine are plugged.
1. The tracking needs adjustment.
2. The tire pressure in the drive tires is
not correct.
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Corrective Action
1. Move the blade control switch (PTO)
to disengaged.
2. Set the parking brake.
3. Ensure the drive levers are in the
neutral lock position.
4. Sit on the seat.
5. Charge the battery.
6. Check the electrical connections for
good contact.
7. Replace the fuse.
8. Contact an Authorized Service Dealer.
1. Fill the fuel tank.
2. Open the fuel shutoff valve.
3. Add oil to the crankcase.
4. Ensure the throttle control 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.
5. Replace the fuel filter.
6. Contact an Authorized Service Dealer.
7. Clean or replace the air cleaner
element.
8. Check the seat switch indicator.
Replace the seat if needed.
9. Check the electrical connections
for good contact. Clean connector
terminals thoroughly with electrical
contact cleaner, apply dielectric grease
and reconnect.
10. Contact an Authorized Service Dealer.
11. Check the spark plug wire connection.
12. Clean, adjust or replace spark plug.
1. Reduce the ground speed.
2. Clean the air cleaner element.
3. Add oil to the crankcase.
4. Remove the obstruction from the
cooling fins and air passages.
5. Clean or replace the fuel cap.
6. Replace the fuel filter.
7. Contact an Authorized Service Dealer.
1. Reduce the ground speed.
2. Add oil to the crankcase.
3. Remove the obstruction from the
cooling fins and air passages.
1. Adjust the tracking.
2. Adjust tire pressure in the drive tires.