Typical Cases of Premature Service Failure – Its Causes & Remedies
| Cause |
Remedy |
| Constant Slip |
Re-tension the drive until belt stops slipping |
| Misalignment |
Realign Sheaves |
| Worn Sheaves |
Replace with new Sheaves |
| Incorrect Belt |
Replace sheaves with new correct belt |
| Cause |
Remedy |
| Belt slipping under starting or stalling load |
Replace belt and tighten drive until slipping stops |
| Worn Sheaves |
Replace Sheaves |
| Cause |
Remedy |
| Belt slipping, causing heat built-up & gradual hardening of base rubber compound |
Install new belt tension to prevent slip. |
| Idler installed on wrong side of the belt |
Change the position of the idler |
| Improper Storage |
Improve the storage condition. |
| Cause |
Remedy |
| Foreign materials in grooves |
Remove materials/ shield drive |
| Misaligned sheaves |
Realign the drive. |
| Worn sheave grooves |
Replace sheaves |
| Tensile member broken through improper installation |
Replace with new belts |
| Incorrectly aligned idler pulley |
Carefully align idler. Check alignment with drive loaded & unloaded. |
| Cause |
Remedy |
| Extreme shock load |
Remove cause of shock |
| Belt coming out of the drive |
Check drive alignment, foreign material in drive. Ensure proper tension & drive alignment. |
