Ambrogio Excessive Vibration from Blade System

Robot lawnmower vibrates excessively and bounces while mowing, even on relatively flat ground

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Possible Causes

Uneven blade wear, Missing blade, Blade disc bent, Foreign object attached to disc

How to Fix / Troubleshooting

Safety first: Turn OFF the robot, remove fuse if present, and wear gloves.

  • Check blade count: Ensure all blades are present and correctly installed. Replace missing or damaged blades with a full new set.
  • Inspect disc for damage: Look for bends, cracks, or attached debris on the blade disc. Clean thoroughly.
  • Balance blades: Always replace blades in complete sets so weight is balanced around the disc.
  • Replace disc if bent: If vibration persists and the disc appears warped, replace the blade disc assembly.
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Repair Difficulty

Easy 2/5

Required Part

Blade Disc and Blades
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