Sears snowblower auger problem
I have a 1991 Sears Craftsman 2 stage 8 hp model 52108 snowblower. Recently, the auger started turning slowly, too slow to move any snow. The shear bolts are intact. I adjusted the auger belt so it has the exact amount of play the manual specifies. The auger drive cable is adjusted exactly as the manual specifies. The engine still runs fine, and moves the blower forwards and backwards normally. Any suggestions as to what I should look at next?