An convection oven with a removable blower wheel system is provided. The oven includes motor with a corresponding motor shaft, a first hub engageable with the motor shaft, a blower wheel, and a second hub. Each of the first hub, blower wheel, and second hub include corresponding radial apertures formed in consistent positions on each component. A plurality of shafts extend through each of the first and second hubs and the blower wheel to cause the three components to rotate together.