How to Troubleshoot Mower Blades That Will Not Engage


The blades of a riding mower must be engaged for the tractor to cut. When the blades no longer engage, inspect the mower for damage and defects. A few factors may cause the blades not to engage. Checking these things yourself can save a costly repair bill.

Things You'll Need

  • Deck belt
  • Metal putty knife
  • Check the blade rotation control lever to ensure it is securely in position. Wiggle the handle to ensure it is not stuck between positions.

  • Check the drive belt for damage or excessive wear. Replace if needed.

  • Clean under the mower deck to ensure that debris is not clogging the drive shaft and that the shaft is not damaged or bent.

  • Level the mower housing, making sure the blades are even.

Tips & Warnings

  • Wear gloves when handling mower blades.

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