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Author Topic: Hoover Junior U1346 (December 1969) - Restoration  (Read 21737 times)

Offline beko1987

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Hoover Junior U1346 (December 1969) - Restoration
« on: July 25, 2016, 10:39:04 pm »
Hello my Vacuum Cleaner Chums!

A few days ago, I got 2 parcels from our good hosts


There was some modern rubbish in there, as well as 2 Hoover Juniors. In this thread, we will concentrate on the Brown 1969 Junior. Apparently the last in the line, a Phase 3, soon superseded by the 1346A (as helpfully explained in the comments on the above video!

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The ratings plate is present, but just about readable

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The immediate issue I saw was the lovely original rare as  :censored: bag had paint all over it

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The rest of the machine wasn't too bad though

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It won't be too far from home in the Dyson Museum either, having seen action 13 miles away at some point in its life

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The bumper was hanging off at the back

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And there is a big crack in the side

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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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #1 on: July 25, 2016, 10:43:30 pm »
The belt pulley, a common wear point, was lovely and unworn

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The same could not be said for the belt

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Let's get the bag off, it's held on with a screw and thread

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and it lifts off the collar

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There was a bojack bag fitted

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Which looks quite old judging by the other machines listed as fitment

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With the bolt removed from the lower collar, the bag peels away from the bag fill tube

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Which by the looks of it, hasn't happened for a while!

The bag holder (a rubber belt) is removed

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and the bellows seperated from the bag fill tube

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Offline beko1987

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Re: Hoover Junior U1346 (December 1969) - Restoration
« Reply #2 on: July 25, 2016, 10:49:06 pm »
Initially, the bag fill tube looked blocked

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but it turned out to be a piece of foam stuck to the inside, presumably to stop the noise of grit bouncing it's way to the bag

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After a damn good bash out it looked much better

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Top half of the handle now

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The bag support bracket is held in with a circlip and bar

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With the circlip removed, and the bar withdrawn the bracket falls out the handle

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The cable is held up at the middle by a and bracket

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The bracket pulls off the

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The bottom part of the handle is bolted to the handle bail assembly, at the bottom (if you hadn't already guessed!)

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Offline beko1987

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Re: Hoover Junior U1346 (December 1969) - Restoration
« Reply #3 on: July 25, 2016, 10:56:22 pm »
The lower handle section fits into the handle bail by means of a rubber housing, which pulls off the lower handle part

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The machine is MUCH easier to photograph now...

Belt guard off

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Holding bracket removed

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Next off is the release pedal to lower the handle, as the handle assembly won't pull out with it fitted

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Out comes the brushroll, looking a bit peaky

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The belt looks very past it now it's fully out.. Still span the brushroll though, I'd like to see a DC07 do that with a belt in this state... :underchair:

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To strip the brushroll, first unscrew and end cap (one side will come off, one side wont)

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One side had an end cap spring fitted, which was nearly falling apart

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Grip the brushroll axle with something, and unscrew the other end cap. Both should now be free

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Offline beko1987

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Re: Hoover Junior U1346 (December 1969) - Restoration
« Reply #4 on: July 25, 2016, 11:04:40 pm »
Here we encounter the first issue. One brushroll bearing came out of the end cap fine, the other not so fine

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The bearing had seized, then violently unseized itself at some point by shearing the 2 halves apart, so the inner part, stuck fast to the end cap needs some tappy action with a small/medium hammer

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Brushroll strips (which are of superb length and stiffness) are slid out

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And that's the brushroll done!

Next, we remove the lower cover from underneath the machine

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As with all Juniors of this age, the spark arrestor pad is perished to dust, so I removed the remnants, I doubt it sparks much anyway

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Which is just as well really, as sparks would have loved this...

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I dug a bit, and found a motor!

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First, I removed the cable

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Which allowed me to pull it free of the various s

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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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #5 on: July 25, 2016, 11:12:19 pm »
Looking at the cable, it has the original wiring terminals on, but they looked very frayed and horrible

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So I chopped them off

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Next, we remove the rear wheels

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By removing various circlips and washers, they strip off their axle

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The other 2 screws release the handle bail assembly, which withdraws easily due to us removing the release pedal earlier!

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This is where they wear, this step wears smooth, and the machine no longer sits upright. This one isn't too bad, if you jiggle it about it flops down, but picking it up squarely, and pushing it on it's wheels is fine. It would certainly be alot of work for not much gain to re-profile it, so I left it!

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Next out of it's fluffy home is the front wheels

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Offline beko1987

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Re: Hoover Junior U1346 (December 1969) - Restoration
« Reply #6 on: July 25, 2016, 11:22:52 pm »
Of course, a whole fake mustache was hiding under it

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More circlips and washers later

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Next off is the furniture guard, which had been stuck on at one point in it's 47 year life, and removing it took some bits of plastic with it...

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Getting there!

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But first the switch needs to be removed

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Next, to remove the motor, and this is where a very long screwdriver comes in handy

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out she comes!

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In these next few pictures, I tried to point out what wire went where, but failed miserably as I got them wrong, so:

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This terminal (the top carbon brush) has a black wire, which goes to one side of the supressor
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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #7 on: July 25, 2016, 11:34:44 pm »
As shown in this picture...

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With the screw removed, the bracket holding the carbon brush spring is removed

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But not the carbon brush itself, as it's stuck in with fluff... (the spring came off). So next off, is the black cable from the other side of the supressor, which goes round and joins up with the neutral cable from the mains

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The wire left in the terminal block comes from the switch

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which once removed releases the switch a bit more

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The switch cap pulls off the switch itself

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The live wire from the switch plugs into one side of the supressor. The black wire (unrelated  but runs through the conduit) is the neutral from the terminal block to the supressor. Both pull out of the supressor

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The long red wire comes from the field coil, and the short black is the one that sits on the top carbon holder

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Next off is the supressor, which also holds the field coil on inside

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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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #8 on: July 25, 2016, 11:41:38 pm »
British Made  :bow:

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I'm not too sure what this is, but I'm going to say an earthing strap. These machines are double insulated, so no need for an earth wire (stuart...) (where's Tech12 to confirm? He would know!). It joins the rear bearing housing to the supressor bracket

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The bottom carbon holder was buried under some more fluff

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Now we can crack the motor open. There are 4 screws and bolts, 3 are black, and are fancase side, and one at the rear

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And one is shiney, and also forms the bolt that holds the rear bearing bracket in place

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Lol

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The motor housing seal comes off now, and is in great condition, so no need for silicone sealent replacement

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This machine has seen alot of fine dust in it's time, the front of the motor casing was packed with it!

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When the motor housing was opened, the terminal block fell out, as it is just held by 2 tabs, locked into place when the housing is screwed up

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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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #9 on: July 25, 2016, 11:50:17 pm »
Now we can see the other carbon brush holder, hidden away under the motor cover

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And the fancase bearing

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The rear bearing is half released already, one more screw removes the bracket fully, and the armature can be withdrawn

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The rear bearing is in very good order

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Bit dirty, but spins beautifully

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Time to look at the armature now

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Holding the armature in one hand, hold the fan and turn it anti clockwise, which should release the belt pulley, then spin it off, and remove the pulley, fan, fibre washer, 2 spacer washers and standoff tube

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More plaster dust under the fan (I'm not sure if it's asbestos or not, but I didn't lick it so I should be ok...)

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Hoover - Who Better?

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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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #10 on: July 25, 2016, 11:55:07 pm »
The fan is original, which is nice to see, and in great condition

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The trusty bearing puller released the fancase bearing

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Which was utterly filthy

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But cleaned up well, and again, is smooth as silk. It's seen new bearings before!

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With the little yellow wire unscrewed, the field coil lifts off the motor housing (well, it would have come with the armature, but lets not split hairs)

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Nearly there!

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I can now push the stuck carbon out with a small screwdriver, and they are quite worn, probably only another 7-8 years left in them...

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The carbon brush holders unscrew and lift out

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Now the motor is stripped into it's component form, time to move back to the chassis

3 screws help hold the firewall to the 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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #11 on: July 25, 2016, 11:59:46 pm »
With them removed, it's time to break the seal, carefully prise around the join until the ancient glue stuff gives in

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and the firewall and air path can be lifted out

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Here we can see the other side of the large crack

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And some damage done by the rear bumper/impact damage

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and some fine cracks on one side of the brushroll end

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None of which were too bad, and the whole thing was still sturdy, so I opted to dribble a tiny amount of glue into them from the inside, and leave them alone!

The belt guard underneath is removed by releasing the spring, and the rest falls out!

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Empty!

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Full!

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Everything was soaked overnight, then washed, cleaned further with cream cleaner, then I cracked the machine polisher out...
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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #12 on: July 26, 2016, 12:00:30 am »
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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #13 on: July 26, 2016, 12:05:29 am »
It came up bloody beautifully

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Ogling over, I cleaned the firewall off

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and turned to our mate Tommy for some help

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to re-seal everything up!

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And a large, thick bead around where the firewall goes

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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: Hoover Junior U1346 (December 1969) - Restoration
« Reply #14 on: July 26, 2016, 12:15:06 am »
And fitted and tidied up

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As tidy as it can be the other side, where my fingers wont reach

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One thing we have not touched yet is the handle bail assembly

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On this side, a tiny circlip holds it all together, which releases the metal guide, and metal plate (which pushes the mechanism down when the release pedal is pressed)

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The 'bolt' (which isn't really a bolt) pushes through now

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Which releases the 2 main halves, along with the tensioning spring

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The other 'bolt' (with the recessed head that guides the release plate) is held in with another circlip, and when pushed through releases the spring plate.

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Like so! The whole lot was cleaned off, and given a buff with wire wool to make it shine, then back together with some lovely new grease

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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!

 

 

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