Toro 73546 Wheel Horse 520Lxi Operator's Manual page 53

PROBLEM
Abnormal vibration or noise.
POSSIBLE CAUSES
1. The engine mounting bolts
are loose.
2. The idler pulley or cutter deck
blade is loose.
3. The transaxle cooling fan is
loose.
4. There is a problem with the
electric clutch
Troubleshooting
CORRECTIVE ACTION
1. Tighten the engine mounting
bolts.
2. Tighten the appropriate
pulley.
3. Contact your Authorized
Service Dealer.
4. Contact your Authorized
Service Dealer.
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