whisper 60 filter help

[physicz]

hi guys recently my whisper 60 is making a weird like rattle sounds.sounds like the the impellar or watever is hitting somehting while it spins.i ahve opened and checked everything and it all seems normal.could it be the motor is messed up?anyone have experience with this thanx

 

[Ric Foster]

If the impeller is not seeted corectly it wil be noisy. Take it apart, clean everything, *note that the impeller has to be held in place (centered) at the bottom and top when you put it back together. good luck