Drive Belt Troubleshooting |
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Like many industries, technological advances in power drive belts, most notably
V Belts, have provided more cost effective efficiencies. A wide range and variety of V-Belt types, lengths, and cross sections have all played a part in making all types of power transmission drive work harder for less money.
Over time, efficiencies gained by technology are lost as v-belts and parts of the power transmission wear out. Problems with your power drive belts can be caused by a multitude of factors. Below is a chart of issues that can and do effect the efficiency and safety of your machinery.
This chart was designed as a guide to help you determine what may be causing premature belt failure. Please Note: This is only a guide and you should consult a local, qualified maintenance person to determine the root cause of any machinery failures.
| Symptom |
Probable Cause |
Possible Cause |
| Rapid Sidewall Wear |
Worn or Damaged Sheaves |
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Sheaves Misalligned |
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Tension Insufficient |
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Belts Rubbing Guard |
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Wrong Belt Type |
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Wrong Belt Cross Section |
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Prolonged Storage |
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Excessive Heat |
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Excessive Grease or Oil |
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Use of Belt Dresing |
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Abrasive Environment |
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Excessive Moisture |
| Worn Cover On Back |
Belts Rubbing Guard |
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Belts Pried On |
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Misplaced Slack |
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Backside Idler |
| Belt Turns Over
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Machine Induced |
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Belts Pried On
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Misplaced Slack |
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Sheaves Misalligned
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Tension Insufficient |
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Wrong Belt Type
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Wrong Belt Cross Section
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Obstructions in Groove
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| Belt Jumps Off Sleave
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Machine Induced |
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Belts Pried On
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Misplaced Slack |
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Sheaves Misalligned
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Tension Insufficient |
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Wrong Belt Type
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Wrong Belt Cross Section
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Obstructions in Groove
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| Belt Soft/Swollen
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Use of Belt Dressing |
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Excessive Grease or Oil
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More Belt Troubleshooting Symptoms
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