Matsuura R Plus 800 Spindle Repair

Possible cause of failure:
Catastrophic failure of the #1 front bearing.
Bearings most likely failed from usage fatigue.
Drawbar shaft has severe wear in the area were the gripper fingers attach and ride.
Gripper fingers are worn at the attachment point for the drawbar.
Taper is worn

Repair action: 
Clean, inspect overall dimensions.
Replace bearings, o-rings, crush rings, grippers and bolts.
Kiss grind taper.
Adjust preload, balance, assemble and break in.
Final quality control inspection.



DETAILED CAUSE OF FAILURE

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