Myford Spindle Repair

Possible cause of failure:
Spindle arrived broken down
Bronze bearing shows signs of rub out with the shaft
Rear 30mm rear shaft journal is undersized +3/-9 tapered (iso is +/-3.5)
Rear 62mm rear housing is oversized +8/+15 (iso is +/-6.5)

Repair action:

Clean, inspect overall dimensions
Replace roller bearing & seals, rescrape bronze bearing
Grind/plate/regrind 62mm rear housing & 30mm rear shaft journal
Adjust preload, balance, assemble and break in. Final quality control inspection.



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