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1400 Series Granulators Chapter 6: Troubleshooting 31 of 43
6-4 Mechanical Faults
Problem
Possible Cause
Possible Remedy
Bearing overheating
Excessive tension on the belt
drive
Check tension of belt and
adjust as necessary
Lubrication fault
Check lubrication frequency
and recommended lubricant
Visible cracks in knife
Incorrect grinding or
grinding procedure
Check method of grinding
and contact our technical
sales department
Knives moving on knife
seats
Uneven knife seat surfaces
Clean up to provide
maximum bearing surface
Loose knife screws
Knife screws should not be
used more than six times.
Replace if there is evidence
of stretch
Knives breaking
Cracks caused by incorrect
grinding
Contact our technical sales
department
Excessive knife wear
Open knife setting
Re-set knives
Screen breakage
Incorrectly seated screen
Check that the screen is
seated correctly and fully in
its cradle