Fault Phenomenon: Sinoboom GTJZ10 scissor lift aerial work platform wheel wobbles significantly, with abnormal noise.

Troubleshooting Process:
– Checked bearing: bearing shattered.
– Checked lubrication: lack of oil.
– Checked load: overload.
– Checked water: water ingress.

Root Cause: The wheel bearing lacked lubrication or had water ingress, causing the cage to break.

Required Parts: Wheel bearing.