Toro 23740 Operator's Manual page 22

Problem
There is abnormal vibration.
The broom does not stop when the drive
lever is released.
The broom wears out prematurely.
The speed selector is difficult to move or
frozen in place.
Possible Cause
1. The broom assembly is loose or
damaged.
2. The engine mounting bolts are loose.
3. engine pulley or idler pulley is loose.
4. The engine pulley is damaged.
5. The belt is damaged.
1. The broom drive belt is out of
adjustment.
1. You are using the incorrect broom
height.
1. The hex shaft needs lubrication.
22
Corrective Action
1. Tighten the hardware. Replace
the broom assembly or contact an
authorized service dealer.
2. Tighten the engine mounting bolts.
3. Tighten the appropriate pulley.
4. Contact an authorized service dealer.
5. Install a new belt.
1. Check the broom drive adjustment.
1. Adjust the broom height.
1. Lubricate the hex shaft.