NSK Motor and Driver, Refurbishment

Balanceworx P/N: BW4NSKFR3

Our repair service will match unmatched sets, upgrade internal components, add 3rd F3 fuse, and replace your bearing using high temperature lubricant.

Core to be provided for refurbishment.

Driver Service:

  • Clean & inspect
  • Replace any defective fan(s)
  • Replace any defective driver board CMOS IC’s
  • Repair and reflow solder connections as required
  • Bench test power supplies & verified associated outputs
  • Replace any failed optos or OP amps — verify proper function
  • Tune assembly & drive
  • Perform final test — forward, reverse and rpm stability

Motor Service:

  • Clean & inspect
  • Replace motor connector
  • Replace resolver cable connector as required
  • Rebuild bearing assembly with NSK original cross roller bearing packed with specialized high temp grease. We do not use a second-sourced bearings in our motor rebuilds.
  • Replace seal with custom manufactured Viton casing with a Teflon wear strip
  • Remove humidity/vapor seal when applicable

Final Test

All final testing is completed with 75ft cables and using the same tool MEI control configuration emulating the actual tool.