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Belt Wizard Home Page
Utilities Page
Premature Belt Failure
Belt Stretches Beyond
Banded (Joined) Belt Problems
Bearings Running Too Hot
Sprocket Problems
Belt Noise
Problems With Pulleys
Performance Problems
V Belts Turn Over or Come Off
Unusual Vibration
Problems With Other Drive Parts
Synchronous Belt Problems
Data Sheets
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Blue Diamond Belt Problem Wizard - Belt Noise
The table below lists the possible causes for premature belt failures. To return to the wizard main menu please click here.
| Symptoms |
Probable Cause |
Solution |
| Squeal or "chirp" |
1. Belt slip
2. Contamination |
1. Retention
2. Clean belts and pulleys |
| Slapping noise |
1. Loose belts
2. Mismatched set
3. Misalignment |
1. Retention
2. Install matched belt set
3. Realign pulleys so all belts share load equally |
| Rubbing sound |
1. Guard interference |
1. Repair, replace or redesign guard |
| Grinding sound |
1. Damaged bearings |
1. Replace, align and lubricate |
| Unusually loud drive |
1. Incorrect belt
2. Worn pulleys
3. Debris in pulleys |
1. Use correct belt size. Use correct
belt tooth profile for sprockets
on synchronous drive
2. Replace pulleys
3. Clean pulleys, improve shielding,
remove rust, paint or dirt from
grooves |
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