Hecht Drive Gearbox Wear / Damage

Robot mower makes loud clicking or grinding noises from one wheel while driving.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Broken gear teeth in drive gearbox, Foreign object in wheel gear, Worn wheel hub splines, Loose wheel on axle

How to Fix / Troubleshooting

Safety first: Turn OFF the mower and remove it from the lawn.

  • Check wheel attachment: Ensure the wheel nut or clip is secure and the wheel does not wobble excessively.
  • Inspect for debris: Look for stones or branches lodged in the wheel spokes or near the gearbox.
  • Spin wheel: Rotate the noisy wheel by hand. If you feel uneven resistance or hear grinding, the Drive Motor Gearbox is likely damaged.
  • Replace assembly: Replace the affected Drive Motor Assembly with Gearbox. This is usually supplied as a complete unit for Hecht mowers.
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Repair Difficulty

Hard 4/5

Required Part

Drive Motor Assembly with Gearbox
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