Toro GrandStand 74558 Operator's Manual page 58

Problem
Blades do not rotate.
Possible Cause
1. Pump drive belt is worn, loose or
broken.
2. Pump drive belt is off pulley.
3. Mower deck belt is worn, loose or
broken.
4. Mower deck belt is off pulley.
5. Broken or missing idler spring.
6. Electric clutch out of adjustment.
7. Clutch connector or wire damaged.
8. Damaged electric clutch.
9. Safety interlock system prevents blade
rotation.
10. PTO switch is faulty.
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.
6. Adjust the clutch air gap.
7. Contact an Authorized Service Dealer.
8. Contact an Authorized Service Dealer.
9. Contact an Authorized Service Dealer.
10. Contact an Authorized Service Dealer.