Toro 74682 Operator's Manual page 56

Problem
The machine does not drive.
The machine vibrates abnormally.
The cutting height is uneven.
The blades do not rotate.
Possible Cause
1. The bypass valves are open.
2. The traction belts are worn, loose, or
broken.
3. The traction belts are off the pulleys.
4. The transmission has failed.
1. The cutting blade(s) is/are bent or
unbalanced.
2. The blade mounting bolt is loose.
3. The engine mounting bolts are loose.
4. The engine pulley, idler pulley, or blade
pulley is loose.
5. The engine pulley is damaged.
6. The blade spindle is bent.
7. The motor mount is loose or worn.
1. The blade(s) is not sharp.
2. A cutting blade(s) is/are bent.
3. The mower is not level.
4. An anti-scalp roller (if applicable) is not
set correctly.
5. The underside of the mower deck is
dirty.
6. The tire pressure is incorrect.
7. A blade spindle is bent.
1. The drive belt is worn, loose or broken.
2. The drive belt is off of the pulley.
3. The power-takeoff (PTO) switch or
PTO clutch is faulty.
4. The mower belt is worn, loose, or
broken.
56
Corrective Action
1. Close the tow valves.
2. Contact an Authorized Service Dealer.
3. Contact an Authorized Service Dealer.
4. Contact an Authorized Service Dealer.
1. Install new cutting blade(s).
2. Tighten the blade mounting bolt.
3. Tighten the engine mounting bolts.
4. Tighten the appropriate pulley.
5. Contact an Authorized Service Dealer.
6. Contact an Authorized Service Dealer.
7. Contact an Authorized Service Dealer.
1. Sharpen the blade(s).
2. Install a new cutting blade(s).
3. Level the mower from side-to-side and
front-to-rear.
4. Adjust the anti-scalp wheel height.
5. Clean the underside of the mower
deck.
6. Adjust the tire pressure.
7. Contact an Authorized Service Dealer.
1. Install a new drive belt.
2. Install the drive belt and check the
adjusting shafts and belt guides for the
correct position.
3. Contact an Authorized Service Dealer.
4. Install a new mower belt.