Daewoo DHP 5000 Spindle Repair

Daewoo DHP 5000 Spindle Rebuild

Possible cause of failure:

  • #3 bearings outer race broke into several pieces causing the spindle to lose preload and allowed the inner sapcer to spin on the shaft
  • Front and rear journals are out of ISO. Front journal is +3/-30 ISO allows +/-4, Rear journal is +2/-19 ISO allows +/-4
  • Taper has 6 microns of runout
  • Grippers are worn

Repair action:

  • Clean, inspect overall dimensions
  • Replace bearings
  • Replace grippers
  • Grind chrome plate and regrind front and rear journals
  • Kiss grind taper
  • Manufacture a new inner bearing spacer
  • Adjust preload, balance, assemble and break in
  • Final quality control inspection


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Repair History - Here are examples of similar spindle repairs that may contain additional information that will help you. If you have additional questions, please contact us.