Troubleshooting - Toro ProCore 648 Operator's Manual

Troubleshooting

PROBLEM
Starter does not crank
Engine will not start, starts hard, or g ,
fails to keep running. f il t k i
Engine loses power. g p
Engine overheats. g
POSSIBLE CAUSES
1. Battery is dead.
2. Electrical connections are
corroded or loose.
3. Relay or switch is defective.
4. Traction lever not in neutral
position.
5. Neutral switch incorrectly
adjusted.
,
1. Fuel tank is empty.
2. Choke is not on.
3. Air cleaner is dirty.
4. Spark plug wires are loose or
disconnected.
5. Spark plugs are pitted, fouled,
or gap is incorrect.
6. Dirt in fuel filter.
7. Dirt, water, or stale fuel is in
fuel system.
1. Engine load is excessive.
2. Air cleaner is dirty.
3. Oil level in crankcase is low.
4. Cooling fins and air passages
under engine blower housing
are plugged.
5. Spark plugs are pitted, fouled,
or gap is incorrect.
6. Dirt in fuel filter.
7. Dirt, water, or stale fuel is in
fuel system.
1. Engine load is excessive.
2. Oil level in crankcase is low.
3. Cooling fins and air passages
under engine blower housing
are plugged.
44
CORRECTIVE ACTION
1. Charge the battery.
2. Check electrical connections
for good contact.
3. Contact Authorized Service
Distributor.
4. Move traction lever to neutral
position
5. Adjust neutral switch
1. Fill fuel tank with gasoline.
2. Move choke lever fully forward.
3. Clean or replace air cleaner
element.
4. Install wires on spark plugs.
5. Install new, correctly gapped
spark plugs.
6. Replace fuel filter.
7. Contact Authorized Service
Distributor.
1. Reduce ground speed.
2. Clean air cleaner element.
3. Add oil to crankcase.
4. Remove obstruction from
cooling fins and air passages.
5. Install new, correctly gapped
spark plugs.
6. Replace fuel filter.
7. Contact Authorized Service
Distributor.
1. Reduce ground speed.
2. Add oil to crankcase.
3. Remove obstruction from
cooling fins and air passages.