After cleaning and inspecting this spindle we determined the cause of failure was contaminated bearings as well as run out on the shaft pilot face. We replaced the bearings, kiss ground the pilot face and machined the wheel hub on the shaft to true it. We also adjusted the preload, balanced, assembled and broke in the spindle. Once finished with our repair process this spindle was given our thorough quality control inspection and shipped back to the customer.
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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…