Toro 74255 Operator's Manual page 60

Problem
Blades do not rotate.
Malfunction Indicator Light
(MIL) comes on.
Possible Cause
1. Drive belt is worn, loose
or broken.
2. Drive belt is off pulley.
3. Deck belt is worn, loose
or broken.
4. Deck belt is off pulley.
5. Broken or missing idler
spring.
1. Old gas in the gas tank
2. The fuel shut-off valve is
not open completely
3. Fuel tank vent cap is
blocked.
4. Air cleaner is dirty.
5. Battery is not charged.
6. Incorrect fuel lters used
or dirty fuel lters.
7. Connections to sensors
electronic control unit
(ECU) and fuel injectors
are not secured properly.
60
Corrective Action
1. Check the belt tension.
2. Install drive belt and
check adjusting shafts
and belt guides for
correct position.
3. Install new deck belt.
4. Install deck pulley and
check the idler pulley,
idler arm and spring
for correct position and
function.
5. Replace the spring.
1. Use new gas
2. Open the fuel shut-off
valve.
3. Make sure that the fuel
tank vent cap is not
blocked and working
properly.
4. Make sure that the air
cleaner and precleaner
are clean. Replace if
necessary.
5. Charge or replace the
battery.
6. Contact an Authorized
Service Dealer.
7. Contact an Authorized
Service Dealer.