Problem |
Cause |
Remedy |
Not Auto Detecting |
Not in AUTO mode Sensor incorrectly adjusted Sensor wires broken |
Select Auto Mode Readjust cutter sensor Replace sensor wire |
Unreliable Auto Detection |
Sensor incorrectly set |
Readjust sensor closer |
Not returning over Cutter when Auto Detecting |
Correction cycle incorrectly set Feed limiting screw not set |
Reset correction cycle Reset feed limiting screw |
Grinder motor Vibrating |
Unbalanced grinding wheel |
Dress & true grinding wheel |
Cutter lifting while being pushed |
Incorrect feed pawl adjustment |
Readjust feed pawl |
Cutters burning and burring |
Excessive grinding Loaded grinding wheel |
Reduce amount of material being ground Dress grinding wheel |
Cutters different angles |
Incorrect angle setting |
Reset grinding head angle |
Cutters different depths |
Incorrect angle setting |
Reset grinding head angle |
Cutters different lengths |
Incorrect angle setting Cutter lifting during grind Grinding arm not on centre |
Reset grinding head angle Readjust feed pawl Centre grinding arm |
Incorrect hook angle |
Worn grinding wheel |
Redress grinding wheel |
Grinding head not changing angles |
Excessive preload on worm segment |
Adjust worm wheel preload |
Chain sticking/bunching in guide |
Damaged drive links Chain guide too tight |
Remove burrs on drive links Fit correct chain guide spacers |