Mammotion Front Caster Wheel Seizure

Robot mower's front wheels do not swivel freely, causing poor turning and scuffing the lawn

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Possible Causes

Grass and dirt packed in caster pivots, Rusted caster bearings, Bent caster fork, Lack of lubrication

How to Fix / Troubleshooting

Safety: Turn OFF and disconnect the battery before lifting the mower.

  • Clean casters: Remove the front caster wheels if possible. Clean out grass, mud, and debris from the pivot and axle.
  • Inspect bearings: Check for rust or roughness when spinning the caster. Replace the caster assembly if seized.
  • Lubricate: Apply a light, outdoor-safe lubricant to the pivot (avoid overspray on tires).
  • Reinstall and verify that casters swivel freely in all directions.
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Repair Difficulty

Easy 2/5

Required Part

Front Caster Wheel Assembly
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