Fault Phenomenon: Vogele 1800-3 paver a periodic rumbling sound occurs during conveyor operation.

Troubleshooting Process:
– Checked bearing: drum bearing cage broken.
– Checked lubrication: grease fitting clogged.
– Checked load: excessive belt tension.
– Checked seal: seal failed, water ingress.

Root Cause: The spherical roller bearing of the conveyor drive drum is damaged due to lack of lubrication and excessive load, causing severe raceway spalling.

Required Parts: Replace conveyor drum bearing.