| PROBLEMS |
PROBABLE
CAUSES |
REMEDIES |
| CUT OR CRACK FROM INNER SIDE |
- Pulley diameter less than minimum recommended
- Excess belt slip
- Temp. too high on the drive
|
- Selection of proper drive
- Check belt tension and number of belts.
- Save belt from heat through different means
|
| BELT TURNED OVER |
- Foreign particle on the pulley
- Very high tension to belt
- Excess belt flap
- Jerk load
- Pulley groove not proper
- Misalignment
|
- Save from foreign particles
- Re-tensioning
- Use idler
- Tension should be proper
- Use correct pulley
- Do proper alignment
|
| WEAR OUT |
- Pulley groove not proper
- Mismatched belts
- Pulley size not proper
- Misalignment
- Due to slip
- Foreign material
|
- Use correct pulley
- Use preset belts
- Use recommended pulley size
- Align properly
- Tension properly
- Remove foreign particles
|
| BELT BREAKS |
- Foreign obstruction
- Less number of belts
- Wrong belt selection
- Jerk load
- Belt installed over pulley forcefully
|
- Install guard on the drive
- Use complete set as per real design of the drive
- Use proper belt section as per drive requirement
- Check belt tension and design
- Reduce centre distance then install and tension
|
| EXCESS ELONGATION |
- New and old belts
- Belts of different manufacturers
- Belts of different codes
|
- Change complete set
- Use complete set of one manufacturer
- Use preset belts on the drive
|