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I'm sorry, I didn't mean to disrespect or water down your valued advice to a Rainbow E series owner simply seeking info to rebuild a vac that has and continues to perform wonderfully. Thanks for your advice but curiosity got the better of me - I'm a software Engineer and that is the order of the...

I called RAINVAC and tech support said JB weld is the factory recommended reinstall process when pressing the fan back in. Will hold up just fine.

Surprise! The fan easily slide off clean after a bit of WD40 and waiting for a while. I applied a tiny bit of JB weld upon reinstall of the fan.

There're two screws holding down the lower motor black plastic housing. I closely inspected the lower motor bearing and cleaned the motor housing properly. The bearing rotates quietly.

Cool, thanks. The vac was heavily used in its first 10 years of use. Nowadays I use it on my vehicles and between the professional house cleaners schedule. How is the lower motor stage black plastic housing removed? I just want to do better cleaning. I could just rely on compressed air to clean...

Pardon my ignorance but they appear to be ok, but I will defer to you to be sure. Thanks for your help. I made sure to keep note to put them back into the original side after cleanup.

I don't need to replace the carbon, really. Looking at the rainvac website, it says "If you need to replace this, then there is a very high chance that you have an armature issue. Please call technical support with any questions you may have." So a cleanup of the motor suffices at this time...

Yeah, it's 19 years old bought new and I'm doing the very first main teardown replacing old parts. The bearings actually feel ok. I'll just do a good cleaning of the motor and replace the carbon. Thanks a lot for your insight.

I have a Rainbow E-2 single speed that I'm rebuilding. I need to replace the top and lower bearing of the motor (G type). The cooling fan won't budge. It sits on top of the shaft and I'm counter holding the shaft with an 1/8 hex bit. Is the fan supposed to be turned counter-clockwise or...