Bissell proheat pro tech model 7901-3 smart mix.... I disassembled to clean out some hoses. The

Question

I disassembled to clean out some hoses. The smart mix valve fell out and I don't know what position it was in in relation to the smart mix dial on the outside of machine. Can you help or do you know where I could obtain a schematic that shows the way to do it. Thanks Boyd