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Author Topic: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!  (Read 198 times)

Offline beko1987

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Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« on: October 26, 2018, 12:50:21 AM »
This very odd vacuum cleaner was given to me by my good friend Steve Cook, as he couldn't be bothered to go to the tip...



It is a basic bagless Electrolux, but with a big difference, which we shall come to later, the main issue as you can see is the lack of a bin! So in the shed it languished for utterly ages!, until a viewer of my channel who handily lived 4 miles away from my work offered me a burnt out normal model, with a bin! A short time later, this happened...

<a href="https://www.youtube.com/watch?v=HHC2g3SsGpE" target="_blank">https://www.youtube.com/watch?v=HHC2g3SsGpE</a>

and finally I could take some before pictures





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It then languished a bit more, until it's time came to enter the operating theatre

Off came the bin

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And all the tools

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!


Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #1 on: October 26, 2018, 12:57:59 AM »
The post motor filter sits behind this afterthought looking cover

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Although it's very clean, which is nice

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Must have been changed as the machine itself is quite dirty. The bagless system this runs is utterly HOPELESS!

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Off comes the cable

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And off comes the hose and hose ends

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I unbolted the handle at this juncture

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Which didnt really do alot bar expose this thick cable

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Time to investigate where this cable goes, and we start with the handle grip, which also contains the self drive controls

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #2 on: October 26, 2018, 01:03:24 AM »
2 screws made themselves known underneath, so let's remove those

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This red part fell out when the bottom was removed, which is the little red nub you see poking out of the handle that does the controlling

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Lifting the top reveals this spring thing, which I worked out returns the handle to it's neutral position, the red part clips into the handle top

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Clamped to the inner metal handle is the other end of the cable, which turned out to be a bowden cable that runs the whole length of the machine!

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With the clamp released, the handle comes off the machine now!

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We move down now. The silver top of the machine is actually a big clip on cover

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The tool holder can be removed now

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Look, a date! 1997

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With that removed, the big suction inlet to the bin can be removed, this forms the cyclone top and look at the efficiency of that! Shark would be proud...

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #3 on: October 26, 2018, 01:09:09 AM »
The business end of the contraption has a massive rubber sheet stuck to it, which acts as the seal for the bin

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Crikey

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With that bit removed, the lower part of the metal handle falls out, being held in by the just removed part

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The bowden cable loops out and back in to this part of the handle

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I then discovered why the self drive mechanism never worked very well....

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We'll worry about that later

Because on the other side of the top to the tool holder is the MASSIVE switch assembly, with one screw just begging to be removed

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Here we see the mains cable and internal cable together in sweet harmony around a broken screw standoff...

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Simple affair with a switched live here

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The switch just pops out, revealing the tantalising cutout for variable power, probably fitted to the TOL American Eureka version that used the same chassis

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!


Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #4 on: October 26, 2018, 01:13:09 AM »
With all that rubbish out of the way, the 2 cables simply fall out of their places to go

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And we can flip it round and have a look at it's undercrackers

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Then swiftly flip it back over as on these models the hood screws on from the top

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Like so

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handy belt change instructions printed here

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Some bum fluff build up was noticed

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The only thing to need to be removed from the hood is the belt guard

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The brushroll just lifts out

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and comes apart nicely. Even the bearings could be replaced easily, although in this care that is not needed as their lovely!

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #5 on: October 26, 2018, 01:18:36 AM »
Under this cover, the magic lays

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A thumping huge motor!

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and the other end of the bowden cable

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I unclipped that

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Then started finding wires. These went to a switch. Not a brushroll switch, but the switch to turn the self drive motor off

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Turns out they were also the main feed to the motor itself so 2 clamps later and the whole thing split apart nicely!

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Now I can get to the screw holding the switch in place

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and remove it

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Next, the 2 screws as indicated hold the drive motor in place

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #6 on: October 26, 2018, 01:24:15 AM »
The motor and the utterly compacted pile of fluff kicked up by the driven wheel (yes, thats right, the ONE driven wheel) over the years! It was quite impressive actually

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This bit of foam covers up the area around the lever the bowden cable moves, it's doing a sterling job of keeping all the fluff out...

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more screws later and the wheel assembly itself can be removed

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And we can see how the whole thing works

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What happens is, the machine can be propelled forwards and backwards, the handle pulls or pushes the bowden cable, which in turn pushes the lever on the motor left or right. The whole back end of the motor moves with the lever, and contacts either the left or right side of this contraption of gears and bearings! one side makes it go forwards, the other side back! The whole ling lifts out of the shell

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And starting from one side, the first set of shims and the most dinky shallow bearing I have ever seen come off

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Then, a circlip, washer and locating block come off

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #7 on: October 26, 2018, 01:36:02 AM »
The next hurdle was this metal pin, which was knocked out

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And the next stage can come out

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In the middle sits this bracket

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and the other side is an exact mirror, which once part looks like this

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Behind each of the metal bits that hold the locating pin, sits the plastic cog, which has a layer of cork type material on the back of it. When the lever is pushed to the side, it pushes this drive cog against the metal part, causing the drive to be transferred to that side. Neutral is in the middle not touching either side! very clever

But then it gets even more old school, the levering motion is controlled by this cage here, the bowden cable connects to it

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And depending on its pivot it actually pushes the whole appropriate side of the cog assembly against the drive wheel from the motor itself. It's lovely to see such actual engineering on a vacuum!

The drive motor is screwed onto the cage holding part

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Which reveals that the drive passes through an adapter shank from the back of the motor, it's no wonder this thing weighs a frigging ton!

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Said adapter shank is held in with a circlip

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And the whole thing nicely comes apart

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #8 on: October 26, 2018, 01:43:23 AM »
I inquisitively popped the cover off the back of the motor, and made a note to fill it with grease later

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Onto more mundane affairs, the spring that sorts the height adjuster out!

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Once removed the wheels pull all the way vertical then pull out

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And then delightfully strip down even more!

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I pulled my knob out

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And moved on to the release pedal, 2 dodgy looking tabs here

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Which came out without drama

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Furniture guard removed

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With all that done, we can remove the motor cover and oh my gosh

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #9 on: October 26, 2018, 01:47:17 AM »
First out is the utterly knackered pre motor filter and the metal shelf that holds them in

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The motor itself seems to be inside a nice case

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The suction inlet pops off

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oooh 1998 this time

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It too has a more complicated than it needs to be seal assembly

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We can get the bowden cable out now, which is indeed quite broken

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Put that to one side for now

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This pathetic excuse for something I think packs the void between the bowden cable and chassis out, as the outside of the bowden cable cant move so the inner wire does, hence why its no good with a sodding big broken bit

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We can lift the motor out of its dusty hole now

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #10 on: October 26, 2018, 01:50:42 AM »
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There's lots of stuff wrapped up in this foam

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Unwrapping it took ages

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And this is what lurks beneath

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The wires look easy to remove, so lets get those out

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then see how this plastic shell comes off

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The white rubber grommit comes out

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As does this random plastic tube which goes nowhere and controls nothing

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #11 on: October 26, 2018, 01:53:55 AM »
Then 2 long screws come out

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and the cover lifts off

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another foam seal

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Even the 2 terminals have little foam seals!

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foam seals with plastic housings! This is very bizarre and overkill!

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A more normal looking fancase seal comes off

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top seal

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Naturally, the super efficient filtration had filled the fan up with crap, so off came the fancase

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and off came the fan

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #12 on: October 26, 2018, 01:58:41 AM »
Next we needed to unscrew and remove the top housing. gently, gently... :censored:

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Still, the wobble washer came out nicely

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Coil lifted out

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MMMM crusty

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Next, I gently tapped the top of the armature to pop it out of the fancase rear. Which went well until this happened...

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Rusted on so badly that this part snapped, and I buggared the threads up on the armature as I forgot to fit the nut before hitting it... Grrrrrrr, moving on swiftly

This hose needs to come off, surely I cant break this bit?

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One screw

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Ah no its alright, it comes off nicely!

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Upper and lower cord hooks removed

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #13 on: October 26, 2018, 02:03:34 AM »
Onto the bin now!

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It has a filter on it, so we remove that

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The handle/securing clip unscrews

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then 2 screws on the back release the  :biglaugh:cyclone :biglaugh:

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The dirt that didn't come out despite a good bashing over the bin can be seen here

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And that's that stripped. It all got washed and forgotten about in the airing cupboard for a week, whilst I sorted the motor. I did have a spare motor, sort of... From the machine that donated the bin

<a href="https://www.youtube.com/watch?v=AXvM8NF30L0" target="_blank">https://www.youtube.com/watch?v=AXvM8NF30L0</a>

So I smashed the motor out of it and bought it home

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The top bracket came off with no bother at all, so one thing ticked off. The armature however, was touch and go

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The carbons on that motor were knackered

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However the carbons on the original now broken motor are in good order

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Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline beko1987

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Re: Electrolux Z1910 Self Propelled - Stripdown and Refurbishment!
« Reply #14 on: October 26, 2018, 02:08:13 AM »
Not daring to try and remove the random permanent washer thing on the new/old motor, I skooshed loads of spray oil over the bottom bearing

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properly did the top bearing

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Fitted the washed fan from the now broken motor

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and hoped it ran, the comm cleaned up not too bad, but there's not really any way of telling until this

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all goes back together! Which will be for another night, as it's bed time now! Bye
Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

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