Frank asked ... Working fine. No cold air?    |    c.m.brown asked ... Replace chuck on aeg power drill sb2e 700r?    |    tom dimmock asked ... How can i mend the lid on russell hobbs elec?    |    Jerry asked ... Alpine 7287?    |    Guy asked ... Gaggenau fridge alarm problem?    |    Click here to ask your question

Why does my belt on my Craftsman mower pop off when I engage the blades?

My Craftsman model 917.271020 mowers belt pops off every time I engage the blades. The pulleys are routed correctly, it seems like something is missing to keep tension on the belt. Any suggestions?
Gary, April 2010
link Click here to see other fixes for Craftsman 917.271020.