Longitudinal grooving or cracking of bottom cover

1. Sticking idlers:

Free idlers and improve maintenance and lubrication.

2. Material spillage and buildup:

Improve loading and transfer conditions; Install cleaning devices; Improve maintenance.

3. Slippage on drive pulley:

Increase tension trough screw take-up or add counterweight; Lag drive pulley; Increase arc of contact.

4. Pulley lagging worn: Replace pulley lagging.