OK, how do I get this regenerative blower motor off?

[Just a Sparky]

European motor. More likely an IEC frame size than NEMA. Not something you're likely to find second-hand in the states without paying for freight. Would likely be cheaper to re-wind than to ship an 8 horsepower parts donor across state lines.

IEC Quick Reference Chart | James Electric

IEC Quick Reference Chart on James Electric | The influx of foreign equipment during the 70’s and 80’s have put great numbers of metric motors in plants.

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