Cleaning Pump, Help Me Please

[tootsiedaisy]

I have a Quiet One 4000 and of course I lost the ownwers manual can antone tell me how to take apart the impelller or does anyone know if there is a website that has the manual on it, Lifeguard doesnt. Thanks all

 

[tootsiedaisy]

is the magnet suppose to spin on the shaft or is it mounted to the shaft