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Toro 74570 - Troubleshooting; The starter does not crank.; The engine overheats.; The machine does not drive.

Toro 74570
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33
B. Run engine to distribute conditioned fuel through
the fuel system (5 minutes).
C. Stop the engine, allow it to cool, and drain the fuel
tank; refer to Draining the Fuel Tank, page 27.
D. Restart engine and run it until it stops.
E. Choke or prime the engine.
F. Start and run engine until it will not start again. Use
the primer, if equipped on the machine, several
times to ensure that no fuel remains in the primer
system.
G. Dispose of fuel properly. Recycle as per local codes.
H. Close the fuel shut-off valve.
Important Do not store stabilizer/conditioned gasoline
over 90 days.
10. Remove the spark plug(s) and check its condition; refer
to Spark Plug, page 26. With the spark plug(s) removed
from the engine, pour two tablespoons of engine oil into
the spark plug hole. Use the electric starter to crank the
engine and distribute the oil inside the cylinder. Install
the spark plug(s); refer to Spark Plug, page 26. Do not
install the wire on the spark plug(s).
11. Disconnect the negative battery cable. Clean the battery
and battery terminals. Check the electrolyte level and
charge it fully; refer to Battery, page 25. Leave the
negative battery cable disconnected from the battery
during storage.
Important The battery must be fully charged to prevent
it from freezing and being damaged at temperatures below
32°F (0°C). A fully charged battery can be stored one
winter season without recharging.
12. Check and tighten all bolts, nuts, and screws. Repair or
replace any part that is worn or damaged.
13. Paint all scratched or bare metal surfaces. Paint is
available from your Authorized Service Dealer.
14. Store the machine in a clean, dry garage or storage area.
Remove the ignition and KeyChoice keys from the
mower and keep them in a memorable place. Cover the
machine to protect it and keep it clean.
Troubleshooting
Problem Possible Causes Corrective Action
The starter does not crank.
1. The blade control (PTO) is
engaged.
1. Move the PTO to Disengaged.
2. The parking brake is not on. 2. Set the parking brake.
3. The battery is dead. 3. Charge the battery.
4. The electrical connections are
corroded or loose.
4. Check the electrical
connections for good contact.
5. A fuse is blown. 5. Replace the fuse.
6. A relay or switch is damaged. 6. Contact an Authorized Service
Dealer.
The engine overheats.
1. The engine load is excessive. 1. Reduce your ground speed.
g
2. The oil level in the crankcase is
low.
2. Add oil to the crankcase.
3. The cooling fins and air
passages under the engine
blower housing are plugged.
3. Remove the obstruction from
the cooling fins and air
passages.
The machine does not drive.
1. The drive control is in the Push
position.
1. Move the drive control to the
Operate position.
2. The traction belt is worn, loose,
or broken.
2. Contact an Authorized Service
Dealer.
3. The traction belt is off of the
pulley.
3. Contact an Authorized Service
Dealer.

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