I need to get the motor off my Blodgett convection oven
Getcha one of these:
DAYTON Hub Puller,Fan and Wheel - 2PYL8|2PYL8 - Grainger
How you're gonna deal with that oven's burner arrangement is another matter. I related the answer I gave based on my experience on Blodgett's all-too-common DFG series gas ovens. Looking at the parts manual on that ST 300, it appears to be a slightly different animal.
I do whole-hardheartedly suggest that you consult with Blodgett before working on that oven. If you're not a technician, then I suggest hiring someone who's trained on that oven.
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