Fanuc A06B-6064 Serial Spindle Unit. DNC offer comprehensive services for the AC 6064 Series of Serial spindle amplifiers, including exchange, spindle repair, used and new surplus spares, and electronic fault diagnosis and testing facilities. 180 day warranty exists on repairs and supplied parts, also spindle boards, orientation pcbs, and transistor modules are available. For the A06B-6064 Serial spindle drives that are not in stock, or drives that not required urgently, DNC offer a 24 hour turnaround service as standard on A06B-6064 - if Serial spindle repairs are urgent then same day is possible with enough advanced notice.