Troubleshooting - Toro Z580-D Z Master 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 machine does not drive.
Abnormal vibration.
Possible Cause
1. The blade control (PTO) is engaged.
2. The parking brake is not on.
3. The operator is not seated.
4. The battery is dead.
5. The electrical connections are corroded
or loose.
6. The fuse is blown.
7. The relay or switch is defective.
1. The fuel tank is empty.
2. The air cleaner is dirty.
3. Dirt is in the fuel filter.
4. Dirt, water, or stale fuel is in the fuel
system.
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. Dirt is in the fuel filter.
7. 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 by pass valve is not closed tight.
2. The drive or pump belt is worn, loose
or broken.
3. The drive or pump belt is off a pulley.
4. The idler spring is broken or missing.
5. The hydraulic fluid level is low or too
hot.
1. The cutting blade(s) is/are bent or
unbalanced.
2. The blade mounting bolt is loose.
3. The engine mounting bolts are loose.
4. The engine pulley, idler pulley, or blade
pulley is loose.
5. The engine pulley is damaged.
6. The blade spindle is bent.
7. The motor mount is loose or worn.
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Corrective Action
1. Move the blade control (PTO) to the
disengaged position.
2. Set the parking brake.
3. Sit on the seat.
4. Charge the battery.
5. Check the electrical connections for
good contact.
6. Replace the fuse.
7. Contact an Authorized Service Dealer.
1. Fill the fuel tank with fuel.
2. Clean or replace the air cleaner
element.
3. Replace the fuel filter.
4. 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 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. Tighten the by pass valve.
2. Change the belt.
3. Change the belt.
4. Replace the spring.
5. Add hydraulic fluid to the reservoir or
let it cool down.
1. Install new cutting blade(s).
2. Tighten the blade mounting bolt.
3. Tighten the engine mounting bolts.
4. Tighten the appropriate pulley.
5. Contact an Authorized Service Dealer.
6. Contact an Authorized Service Dealer.
7. Contact an Authorized Service Dealer.