Thread Number: 31384  /  Tag: 50s/60s/70s Vacuum Cleaners
How Do I (Electrolux)?
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Post# 346998   3/10/2016 at 17:51 (2,967 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
Hi Folks! Going to pick up a new set of carbon brushes for my Electrolux Super j im re-building. how should i seat them> I dont want to ruin the motor right after its repaired! Thanks!
Andy Rousonelos
imdafarmer5088@gmail.com


Post# 347003 , Reply# 1   3/10/2016 at 18:43 (2,967 days old) by vacuumlover (UK)        

I tend to use a drill to partially seat them
then once seating roughly I run it ob the mains.

Or if you're lucky enough to have a variac then use that.


Post# 347005 , Reply# 2   3/10/2016 at 19:09 (2,967 days old) by kenkart ()        
I always just

Clamped the motor in a vice so it cant move, Then hook power to the motor leads and as its running just use a commutator stick lightly until it stops sparking,If you don't clamp the motor it is liable to jump off your workbench when you turn it on.

Post# 347006 , Reply# 3   3/10/2016 at 19:11 (2,967 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
Ill try hooking a drill to the armature. Thanks, Emma!

Post# 347010 , Reply# 4   3/10/2016 at 20:19 (2,967 days old) by electroluxxxx (……)        
seating

depending on the machine I either use a variac transformer, drill, or if you do not have access to neither of the 2 you can make a variable speed switch using an outlet and a light dimmer switch.

Post# 347024 , Reply# 5   3/11/2016 at 03:03 (2,967 days old) by vacuumlover (UK)        
@Vacuumlad1650

You're welcome 😊

Sorry about those few spelling mistakes. Just proves it isn't a good idea to try and type quickly when tired and having a drink haha.


Post# 347038 , Reply# 6   3/11/2016 at 09:20 (2,966 days old) by dysonman1 (the county)        

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Use a carbon brush seating stone. That's what they are made for. I'm sure you don't have one, but you should buy a box of them. They are not expensive and will last a long time. They are a necessary part of a motor rebuilder's tools and supplies (as necessary as bearing grease or a socket set).

Post# 347146 , Reply# 7   3/11/2016 at 17:13 (2,966 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
I dont have a vice here! Nor do i have a seating stone. Where can i find one?

Post# 347154 , Reply# 8   3/11/2016 at 17:24 (2,966 days old) by vacuumlover (UK)        

Ebay,amazon.

Post# 347156 , Reply# 9   3/11/2016 at 17:29 (2,966 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
Ill take a look. Thanks!

Post# 347157 , Reply# 10   3/11/2016 at 17:30 (2,966 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
A carbon brush seating stone will cost me 70 bucks! Thats more than i paid for the brushes, vacuum, and new armature combined!

Post# 347188 , Reply# 11   3/11/2016 at 19:24 (2,966 days old) by mchmike (West palm beach fl)        

You're right about cost . Here is a less expensive method and the one I use . It works and sandpaper is cheap.

CLICK HERE TO GO TO mchmike's LINK


Post# 347189 , Reply# 12   3/11/2016 at 19:31 (2,966 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
Actually, a Kirby Guy named Bill called me. much cheaper, 15.75 for 4 sticks!

Post# 347218 , Reply# 13   3/12/2016 at 05:48 (2,965 days old) by vacuumlover (UK)        

Another method i forgot about is using wet and dry sand paper. When I use this method what I do is try and wrap it around the commy (between the brushes) and rub it back and forth to shape the brushes. Working from coarse to fine.

If I do this method I tend to use the drill afterwards to seat them some more.


Post# 347219 , Reply# 14   3/12/2016 at 05:51 (2,965 days old) by kenkart ()        
!5 bucks

Is way more expensive than we ever spent on them in the vac shop I worked in...of course it was over 30 years ago...lol, You don't HAVE to have a vice, you can hold the motor with one hand while turning it on, the thing is the torque of the motor starting will make it twist and if you don't have a firm grip on it it could jump off into the floor, when it is running it wont have that twisting motion, but the airflow can make it move.

Post# 347222 , Reply# 15   3/12/2016 at 06:34 (2,965 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
Well, lets see what happens...how do i seat the brushes with the stone and drill?

Post# 347224 , Reply# 16   3/12/2016 at 06:58 (2,965 days old) by vacuumlover (UK)        

When using a drill I stick the motor shaft into the chuck, tighten it up and tun it low gradually gaining speed.

If you want any pictures let me know and ill try and get some as soon as I can.


Post# 347225 , Reply# 17   3/12/2016 at 07:57 (2,965 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
That would certainly help, Emma! Ill go dig my variable-speed drill out tomorrow, my Grandfather gave that to me years ago!

Post# 347227 , Reply# 18   3/12/2016 at 08:50 (2,965 days old) by vacuumlover (UK)        

I'll try and get some tonight then :)

Post# 347230 , Reply# 19   3/12/2016 at 09:05 (2,965 days old) by bikerray (Middle Earth)        

bikerray's profile picture
A box of six brush seater and commutator cleaner stones is about $22 thru Steel City.

Post# 347233 , Reply# 20   3/12/2016 at 09:26 (2,965 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
I think ill try the stones from the Kirby Guy first. if i need more i can go to steel city

Post# 347275 , Reply# 21   3/12/2016 at 17:29 (2,965 days old) by bikerray (Middle Earth)        

bikerray's profile picture
So, if you're now worried about seating the brushes, I'm guessing this means you got the fan off the armature?

Post# 347278 , Reply# 22   3/12/2016 at 18:01 (2,965 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
Not yet. i tried the wood block trick and it made it worse. Ive been real busy. might just put the olympia fan and armature in it

Post# 347530 , Reply# 23   3/14/2016 at 11:29 (2,963 days old) by vacuumlover (UK)        
@Vacuumlad1650

Sorry for the wait. I know I said i would do pictures but thought video was easier

There is also I another method which I failed to mention. If you have an old buggered armature, you can use that on your drill and hold the brush against it to seat it. To be honest I think that's your best method. If its easier ill get another video, hopefully this time better.


CLICK HERE TO GO TO vacuumlover's LINK


Post# 347544 , Reply# 24   3/14/2016 at 15:39 (2,963 days old) by vacuumlad1650 (Wauponsee, IL)        

vacuumlad1650's profile picture
Thanks, Emma! Really Helps!

Post# 347547 , Reply# 25   3/14/2016 at 15:56 (2,963 days old) by vacuumlover (UK)        

Glad to hear 😊


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