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The belt rarely is at fault. Listed below are some of the most common belt problems and their causes.
| Problem | Cause |
| Belt will not track Edge wear |
- Mechanical problem - Pulleys out of
alignment/Bad Bearing - Crooked splice, belt out of square - Material build up on pulley - Off center loading - Improper crown or pulley - Damaged belt - Uneven moisture absorption in belt from storage - Cambered belt |
| Lace or vulcanized splice failure |
- Wrong size fastner - Fasteners not properly - Belt too tight - Under belted - Belt speed too high - Poor tracking (see above) - Pulley too small for belt - Poor Splice |
| Cleat Failure | - Pulleys too small - Belt hitting return idlers - Poor tracking of belt - Product overload - Product or environment attacking belt - Pulleys too small |
| V-guide delamination/cracking |
- Pulleys too small - Belt/conveyor misaligned - V-guide and pulley grooves do not match - Temperature too high or too low - Chemical attack - Improper slack side tension or overall tension |
| Slipping or stalling | - Poor pulleylagging or not enough pulley wrap - Suction of belt or slider bed - Too low of drive horsepower - Too high of co-efficient of belt to conveyor - Material jammed in chute |
| Top cover wear | - Improperly installed chute lining - Exposure to heat or oil - Belt slipping on drive |
| Bottom cover wear | - Frozen idlers - Rough or worn slider bed or pulleys - Material build up on pulleys |
Website:
www.mulhernbelting.com |
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| East 800-253-6300 Central 800-444-2358 |
