Dean
Justin's machine is blowing chunks, and according to him the fan is full of a thick build up of what is essentially dried out mud, the motor is running hot, the bearings are making a groaning sound, and it grinds to a halt within three seconds of shut down. From his very first post at the start of this thread he made it clear that there is nothing normal about his fans appearance or performance. This motor/fan assembly needs to be taken apart immediately, properly cleaned and serviced, including a dual bearing change. Have I misunderstood you, or are you really suggesting some electronics cleaner will fix his problem? I'm not trying to be offensive here, I'm just trying to figure out where you're coming from.