Problem |
Cause |
Remedy |
Belt Generally Worn |
Rough/Worn Sheave Groove |
Clean, Repair, or Replace Sheave |
General Belt Deterioration |
Belt Dressing |
DO NOT use belt dressing. Clean or Replace Belts. |
Belt Slips |
Drive under-tensioned |
Retension. |
Belt Slips |
Sheaves worn |
Belt bottoming in grooves |
Belt Breakage |
Excessive shock or starting load |
Check drive design. |
Belt Breakage |
Improper installation. |
Install new belts. |
Belt Jacket Worn |
Belt Slippage |
Check & Correct Tension |
Belt Jacket Worn |
Misaligned drive |
Align shafts & sheaves |
Belts Check or Crack |
Belts slipping |
Increase tension. |
Belts Check or Crack |
Excessive Heat |
Provide adequate ventilation. Check Slippage |
Belt Flips Over on Pulley |
Ruptured belt |
Replace belts |
Belt Flips Over on Pulley |
Badlly located idler |
Relocate Idler |
Belt Sparking |
Excess Static Electricity |
Ground shaft. Consult belt specialist. |
Belts Wear Rapidly |
Belt hitting guard or framework. |
Provide sufficient clearance. |
Belts Wear Rapidly |
Sheaves Worn. |
Replace or remachine. |
Belts Mismatched |
Belts not of same manufacturer |
Replace with new set of matched belts. |