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BH40/60 Owners Manual
Troubleshooting - Belt
Symptom
Diagnosis
Possible Remedy
Tensile break
Excessive shock load
Subminimal diameter
Improper belt handling and storage prior to installation
Debris or foreign object in drive
Extreme sprocket runout
Too low or high belt tension
Redesign drive for increased capacity
Redesign drive using larger diameters
Follow proper handling and storage procedures
Protect drive
Replace sprocket
Adjust tension to recommended level
Unusual sprocket wear
Sprocket has too little wear resistance
(i.e., plastic, aluminum, softer metals)
Misaligned drive
Excessive debris
Excessive load
Too high, too low belt tension
Incorrect belt profi le (i.e. GT, etc.)
Use alternate sprocket material
Correct alignment
Protect drive
Redesign drive for increased capacity
Adjust tension to recommended value
Use proper Gates PowerGrip GT®3 belt/sprocket
Belt cracking
Subminimal diameter
Backside idler
Extreme low temperature startup
Extended exposure to harsh chemicals
Cocked bushing/sprocket assembly
Redesign drive using larger diameters
Use inside idler
Preheat drive environment
Protect drive
Install bushing per instructions
Excessive temperature (belt,
bearing, housing, shafts,
etc.)
Misaligned drive
Too low or too high belt tension
Incorrect belt profi le (i.e. GT, etc.)
Correct alignment
Adjust tension to recommended value
Use proper Gates PowerGrip GT®3 belt/sprocket
Vibration
Incorrect belt profi le for the sprocket (i.e. GT, etc.)
Too low or too high belt tension
Bushing or key loose
Use proper Gates PowerGrip GT®3 belt/sprocket
Adjust tension to recommended value
Check and reinstall per instructions
