Possible cause of failure:
Catastrophic failure of the #1 bearing,grease was washed out of #1,2 from coolant #3,4 still have clean grease
Spindle is set up for a air purge through the front cover.
If spindle was intstalled one bolt hole off on the front flange the air purge hole would be blocked off.
Clean, inspect overall dimensions.
Adjust preload, balance, assemble and break in. Final quality control inspection.
Ensure the air purge is working after installation at facility.
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Catastrophic bearing failure was the main cause of this spindle malfunction
Continue reading to learn how Northland Tool performed this repair and converted a Weiss GHK 176239 spindle from grease-injected to permanent grease lubrication…