Toro 74570 Operator's Manual page 35

Problem
The blade(s) does not rotate.
The cutting height is uneven. g g
Possible Causes
1. The blade drive belt is worn,
loose, or broken.
2. The blade drive belt is off of the
pulley.
3. The grass collector is not in
place.
1. The tire pressure is incorrect.
2. The mower is not level.
3. The underside of the mower is
dirty.
4. The blade mounting screws are
loose.
5. The blade drive belt tension is
incorrect.
35
Corrective Action
1. Install a new blade drive belt.
2. Install the blade drive belt and
adjust it for the correct tension.
3. Install the grass collector.
1. Set the tire pressure.
2. Adjust the height adjustment
cable rod assembly.
3. Clean the underside of the
mower.
4. Tighten the blade mounting
screws.
5. Adjust the blade drive belt.