Troubleshooting - Toro Z Master Professional 7500-D Series 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 to the left or right (with
the motion-control levers fully forward).
Possible Cause
1. The blade-control switch is engaged.
2. The parking brake is disengaged.
3. The motion-control levers are not in
the N - position.
EUTRAL LOCK
4. You are not sitting in the operator's
seat.
5. The battery is dead.
6. The electrical connections are
corroded or loose.
7. A fuse is blown.
8. A relay or switch is damaged.
1. The fuel tank is empty.
2. The oil level in the crankcase is low.
3. The throttle is not in the correct
position.
4. There is dirt in fuel filter.
5. There is dirt, water, or stale fuel is in
the fuel system.
6. The air cleaner is dirty.
7. The seat switch is not functioning
properly.
8. The electrical connections are
corroded, loose or faulty.
9. The relay or switch is broken.
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 the 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 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
under the engine-blower housing are
plugged.
4. The air cleaner is dirty.
5. Dirt, water, or stale fuel is in the fuel
system.
1. The tracking needs adjustment
2. The tire pressure in the drive tires is
not correct.
75
Corrective Action
1. Disengage the blade-control switch.
2. Engage the parking brake.
3. Move the motion-control levers
outward to the N -
EUTRAL
4. Sit on the operator's 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. Add oil to the crankcase.
3. Be sure that the throttle control is
midway between the S
LOW
positions.
4. Replace the fuel filter.
5. Contact an Authorized Service Dealer.
6. Clean or replace the air-cleaner
element.
7. Check the seat switch indicator.
Replace the seat if needed.
8. Check the electrical connections for
good contact. Clean the connector
terminals thoroughly with electrical
contact cleaner, apply dielectric
grease, and connect.
9. Contact an Authorized Service Dealer.
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 the 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.
4. Clean or replace the air-cleaner
element.
5. Contact an Authorized Service Dealer
1. Adjust the tracking.
2. Adjust the tire pressure in the drive
tires.
position.
LOCK
and F
AST