Thread Number: 39121  /  Tag: 50s/60s/70s Vacuum Cleaners
Electrolux model G... HELP!!!!!
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Post# 415052   10/18/2019 at 16:21 (1,623 days old) by thatwasherguy (Kentucky )        

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Hello. I have a 1960’s Electrolux model G in blue. It still works, but only a little bit. When I turn it on, it instantly smells absolutely terrible. The motor doesn’t sound like it’s turning fast enough. And, when I turn it off, it makes a grinding sound as it comes to a stop. I was hoping that someone here could help. Thanks.

Post# 415058 , Reply# 1   10/18/2019 at 20:39 (1,622 days old) by Paul (USA)        

Take the motor apart, clean it, clean & repack the bearings (the rear one is a sleeve bearing & the front one is a ball bearing), replace the brushes, & check the commutator for any defects.


Fyi, here's a bit of background on the Model G:

It debuted in January 1961 in "aquamarine green" (or what you call 'blue'). The earlier ones differed from mid- to later ones, because the power nozzle port was on the front of the cleaner and the handle was not equipped with a cord clip; mid- to later ones' ports were on the right side & included the cord clip.

When the motor was upgraded in late 1966 the color was changed to tan. That version was manufactured until 1968.

The model of the power nozzle for both versions was PN-1, but again there were differences from the earlier ones to the later ones & the bumper & cord color was changed to complement the tan color.

The early version of the aquamarine green Model G's PN-1 was equipped with one long cord with plastic hose clips, and the mid- to late ones had two cords: one from the nozzle to the end of the wand, and one that was attached to the hose with rubber straps.

Standard attachments were the upholstery tool/dusting brush small combination tool, the carpet & floor combination tool, and two aluminum wands. Options included: the narrow space cleaner (or crevice tool)-later made standard, the Turbo Tool (earlier) or the Turbo Rug Washer & Polisher (the polisher feature was dropped after a year or so), the white-bristled wall brush, the white-bristled delicate dusting brush, the sprayer, & the vaporizer.

Btw, the Canadian & USA companies began sharing R & D in the 1950s; influencing the development of the Canadian 80s series, which was very similar to the single-lettered models of Electrolux USA, including the Model G. The PN-1 was even exported to Canada (in colors to complement its cleaners).


Post# 415065 , Reply# 2   10/18/2019 at 23:28 (1,622 days old) by quebecois (Waterloo, Canada)        

Last time one of my Electroluxes made this kind of noise, the rotor in the motor had one section destroyed...

Post# 418170 , Reply# 3   1/5/2020 at 12:30 (1,544 days old) by thatwasherguy (Kentucky )        

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I wiped the whole motor out, and then blew it out with compressed air. I replaced the front bearing, and oiled the rear one. I sanded the commutator a little bit, and put it back together. I didn’t replace the brushes, as a local vacuum shop said that the aftermarket ones aren’t good. He also said my windings were burnt, as they are black. The motor still smells of ozone when it runs, and is still arcing a lot. The bearing noise is gone, though. The black color on the windings almost looks to be a coating. At first, he said they were bad, but then he said they had a lot of life left in them. The same was said about the commutator. I was wondering if the windings or the brushes were bad. They aren’t worn down anywhere near the springs yet. Thanks,
Thatwasherguy.


Post# 418186 , Reply# 4   1/5/2020 at 19:45 (1,543 days old) by huskyvacs (Gnaw Bone, Indiana)        

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You might have to post pics here for us, that vacuum shop owner sounds like he doesn't have much experience in 50s-60s vacuum motors (not a lot of shops have even seen an old vacuum anymore). He might be misdiagnosing your problem. To me it sounds like a brush problem or the motor has a short somewhere in the coils and would need to be re-wound/rebuilt (at a motor shop).

It might also be that the armature is off-center or unbalanced and its causing a lot of arcing that as a consequence has singed the coils which gave the black color.


Post# 418204 , Reply# 5   1/6/2020 at 09:18 (1,543 days old) by dysonman1 (the county)        

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Some field coils of the blue G had black color and some had red color. They are both the same.

A very common problem on the old Luxes is the brushes sticking in the tube. Remove the brushes and their tubes from the machine. Clean the tubes with rubbing alcohol and q-tips. Use a small file to file away a slight amount of carbon brush on all four sides of the brush. They should slide beautifully in the tube, easy in and out, once they are replaced. Sticking carbons are very common and make an ozone smell and spark when running.

Obtain a carbon brush SEATING STONE. eBay, vac shops, etc have them. Hold the stone against the rotating commutator and it will seat the brushes, clean the commutator, and stop the excessive sparking. You won't need more than a piece of a stone to complete this. I've had one stone for years.


Post# 433051 , Reply# 6   10/4/2020 at 13:33 (1,271 days old) by thatwasherguy (Kentucky )        
It's running...

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Thank you all so much for the help! It's running like new! I just had a couple of questions regarding the power nozzle. This is an early G with the port for the head on the front of the cleaner. I was wondering if a later electric hose and a later PN-1 would work with the early port?
Thanks,
Thatwasherguy.


Post# 433055 , Reply# 7   10/4/2020 at 14:42 (1,271 days old) by Thevacomaticiec (Bathurst New Brunswick Canada )        

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Yes if the pig tail fits on the plug should be fine ive see na few Model G whita after marker vinyl hose .

Post# 433061 , Reply# 8   10/4/2020 at 17:49 (1,270 days old) by Jo (Dallas,TX)        
What was what fixed it?

I have the same motor issue with my Electrolux Silverado. What finally made the motor run like new? Was it the brushes needed replacement? What did you finally do?

Jon


Post# 433072 , Reply# 9   10/4/2020 at 19:40 (1,270 days old) by thatwasherguy (Kentucky )        
What I did...

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I took the motor apart, wiped the armature down with a dry rag, then blew it off with compressed air. I also sanded the commutator down a little bit. I then replaced the front ball bearing, and added 3 drops of oil to the rear sleeve bearing. I made sure that the brushes slid in and out freely in their holders. Then, I hooked the machine's motor up with another vacuum cleaner I had laying around in series, and used a carbon brush seating stone on the motor, then wiped the dust off of the commutator. Next, i ran the two motors for 20 minutes. It still smelled a little bit like ozone at first, but it gradually got better. In fact, I only got it back together a few days ago, and it still smells a little bit, but is not noticeable unless you breathe in the exhaust directly.
Hope this helps,
Thatwasherguy.



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