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I have been looking at carpet extractors and have seen my fair share of modern carpet extractors online. The Rug Doctor Deep Carpet Cleaner and Bissell Big Green seem to be highly rated but, of course, I am skeptical about the quality of these machines. Does anyone know of any particularly good...

I have done an extra thorough cleaning of the bearing with rubbing alcohol and it subsequently took about 12 drops of oil. I then put a drop on the bearing itself after sanding both the inside of the bearing and the shaft with 1500 grit. The bearing went on a little smoother and the motor...

@real1shep: The motor is running at the same rpm as before, just sounds a little more raspy. I think you could be right about the brushes needing to break in a little. As for the bearing, do the symptoms I have described in my last post suggest that it would be good to replace. The first user...

@real1shep: What I'm hearing now is not dried bearing noises and the previous scraping noise is now gone. The motor itself just sounds a little noisier. Perhaps I could keep using it for a while to see if it will run quieter after the brushes fully seat. I did take the motor apart a couple of...

UPDATE I have taken some of your suggestions and done some work. I sanded the commutator w/ 1500 grit wet/dry, seated the brushes with a drill on low speed, and lubed the motor bearings. The motor runs smooth, but it does sound a bit noisier than before. I did also lubricate the brushroll...

It's a commercial Decade 80. This machine is most likely from the late '80s or '90s. Would you be able to share a picture of the underside of the base with the serial number? This would help us determine the exact year. These are great vacs. You can put in a CWP brushroll and your machine will...

I'll have to get my hands on that stuff. Do you soak the commutator in it or apply it with a paintbrush or likewise?

I ordered a replacement rubber handle grip for a Convertible and had to paint it to match the color. I used Rust-Oleum multi-surface enamel after being recommended it for this purpose by a few art teachers that I know. The paint did not stick too well and never fully cured. I then applied...

Thanks for the tips! I did use 220 at first just to remove residue, but I will finish it off with 1000+ before seating the new brushes. Is denatured alcohol the same as isopropyl?

I'll give the drill a try! Interesting that you recommend using emery paper. Most other suggestions have been to avoid emery and only use garnet or wet/dry as they do not contain aluminum. I do have 180 grit garnet, which I hope is not too coarse but I'd be interested to hear your take on using...

Good to know! I just checked some videos out. Most of them demonstrated the method of turning the armature by hand with sandpaper wrapped around the commutator to sand the brushes to shape while a few described the process of turning the motor on a lathe or running it. Which is more appropriate...

Yes, this is regarding the same unit. In the thread, I posted a picture of the bottom bearing from inside the motor. The bearing does turn freely and does not have any noticeable play from side to side. I do believe this machine has not been used much as the outer bag has no major rips and...

I should also mention that I will be replacing the carbon brushes. I noticed that the new ones have ridges on the seating surface. Do these just seat themselves while running? This is my first time replacing brushes on an electric motor before so I am curious.

Interesting piece of advice! This is actually a follow-up of an older thread in which other members recommended replacing the bearing since the top shaft of the armature appeared to many of them to have overheated. http://www.vacuumland.org/cgi-bin/TD/TD-VIEWTHREAD.cgi?31349

I am going to be replacing the top sleeve bearing on an older Convertible with the original 2-speed motor. Would you advise lubricating with 3-in-1 before installing or are they ready to go out-of-box? Also, I keep losing the small triangular spring clips that hold the brushroll bearings in...

From the picture, it actually looks to me that the right wheel is pushed a little more to towards the brushroll than the left wheel, very slightly, but I do notice it. This would confirm previous speculations of a bent axle.

There is indeed a better investment for your fifteen bucks! Does the motor seem heavily strained or does it run at a normal speed? If the motor is straining, then the brushroll is probably a bit sticky and should be taken apart, at which time the end caps, bearing retainers and shaft should be...

I have one of those… …but in red. Same machine nonetheless. It's really nice to have. The handle is adjustable; if you lower it down all the way you can easily use it on stairs. I also have a matching hand vac (model 103).

I used an air compressor and blow gun after I sanded the commutator and cleaned the shaft. That appeared to clean it up well. I also have a small ultrasonic cleaner if any of you would still suspect that there could be fine pieces of steel wool. Thanks for all the tips; I think I have a good...

After reading all of your suggestions… …I am inclined to think that a little more sanding of the commutator, a cleanup of the shaft, a new upper bearing and a new set of carbon brushes should do the trick. If anyone thinks that there's more to it, I would certainly appreciate further advice...