I need a wireing diagram for a king tab...

I did some Research and Came up with the King Canada Website, where they Show your Table Saw. You may wish to go to that site, and Click on "Contact Us" and send them a Request for the Proper wiring of Their 220V Motor...Here's the Link for Their Site:
http://www.kingcanada.com/Products.htm?CD=101&ID=644
As far as a 220V Motor Wiring goes, 3 Leads works since you have 2 Hot Leads(Black & Red), 1 Neutral Lead(White). as Far as a Capacitor (probably 2 Black wires) goes That should be Pre-Wired into the Motor coming off the Lugs for Your Wiring to...Should NOT be a 2-Stage Motor Connect to, but you may be referring to a Mag-Starter(sounds to me Like someone was trying to do Step-down Voltage)
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In all Honesty "IF" I were you, I would do the "Contact Us" @ the Link I Provided, and Let King Tell you How They Have Their Motor Wired for Your Application. Good Luck. Let me Know How you make out.