> On Jul 15, 2021, at 4:33 PM, Michael Thompson <michael.99.thomp...@gmail.com>
> wrote:
>
> The power cord is three-phase, and actually daisy-chains to a second and
> third drive. The phases on the AC output connector are rotated to balance the
> load on all three phases when three drives are daisy-chained. If you look at
> the power wiring diagram on page 3-120 of the Memorex 677-01 manual you will
> see only two of the phases going to the power transformer.
Ok. I just looked up the RP04 maintenance manual. It isn't all that explicit
but it does say that the spindle motor is a 3-phase induction motor.
paul