agri fab

I just bought/assembled an Agri-Fab 48" core aerator (45-02994). It seems well built, but I did the tongue strength weld modification to be pro-active. I found out (the hard way) they weren't kidding when they warned about the sharpness of the knives. (!) Question to anyone that has this...

Does anyone have clogging issues with their Agri Fab Mow n Vac? I'm using mine behind a 60" zero turn and only use it when leaves are dry and I go really slow. It clogs ALL THE TIME. two places - right inside the tube and deck adapter or inside the tube right before the impeller. I see two...