My Cordless Lawnmower is vibrating excessively

Quick Answer

Excessive vibration is usually caused by a damaged, unbalanced, or incorrectly fitted blade. In most cases, inspecting and replacing the blade will resolve the issue.

Important: Always switch off the mower and remove the battery before carrying out any checks or maintenance.

Before You Start

Before inspecting the mower:

• Switch the lawnmower off
• Remove the battery
• Remove the safety key (if fitted)
• Ensure the mower is on a stable surface

• Important: Never attempt to inspect or remove the blade while the mower is powered.

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  Possible Causes

  Excessive vibration is commonly caused by:

  • Blade damage from hitting an obstacle
  • A rusty or worn blade
  • Damage to the blade adapter or sheared lugs
  • Incorrectly fitted blade

• If any of these issues are present, the blade will need to be replaced.

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  If the Blade Is Damaged and Stuck

  If the blade is damaged and difficult to remove, follow these steps carefully:

  Step 1: Secure the blade

  • Use a sturdy wooden block or similar object
  • Wedge it firmly to prevent the blade from moving

• Important: The blade must be fully immobilised before loosening the bolt.

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  Step 2: Loosen the blade bolt

  • Use a socket wrench on the blade fixing bolt
  • Turn the bolt anti-clockwise
  • Apply steady force at first, then gradually loosen

• Important: Do not rush this step—some bolts may be tightly secured.

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  Step 3: Remove and replace the blade

  • Remove the bolt completely
  • Take off the damaged blade
  • Fit the new blade onto the blade adapter
  • Refit and tighten the bolt securely

• Important: Ensure the blade is correctly aligned before tightening.

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  If the Issue Persists

  If vibration continues after replacing the blade:

  • Stop using the mower immediately
  • Contact our Technical Support Team
  • Provide your model number and details of the issue

• Further inspection may be required if the problem is not blade-related.

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  Important Information

  • Always inspect blades regularly for damage or wear
  • Replace blades if they show signs of impact or rust
  • Ensure correct tightening of the blade bolt before use
  • Never operate the mower with a damaged or loose blade

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  Frequently Asked Questions

  Why is my mower vibrating so much?

  This is usually caused by a damaged, bent, or unbalanced blade.

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  Can I still use the mower if it vibrates?

  No. Excessive vibration can indicate a safety issue and should be investigated immediately.

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  Do I need tools to remove the blade?

  Yes, a socket wrench is typically required to remove the blade bolt.

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  What causes blade damage?

  Most commonly, contact with stones, sticks, or other hard objects in the garden.