Toro 74271 Operator's Manual page 58

Problem
Blades do not rotate.
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.
58
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.