This is Phillip.
The terminal connections on the 201 and 221 are the same as long as they both use a double lead cord.
On the connector block the lead from the switch connects to terminal 1. The lead from the light connects to terminal 3. The motor leads connect to terminals 2 and 3.
I would recommend searching youtube and google for Dim Bulb Tester. I collect old Zenith table radios that seem to find me and I always use this device to test them for my safety and prevent possible damage to the radio. I would recommend using a dim bulb tester with the vintage machines. A 100 watt incadescent bulb in the tester would be a starting point and then step up to as much as 300 to 500 watts of light bulbs.