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Author Topic: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!  (Read 1895 times)

Online beko1987

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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #15 on: August 01, 2018, 01:58:54 AM »
The baseplate seal is removed

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That's the head done! I forgot I took pics of this, this is the bag retaining clip taken off the bag holder after I so confidently said about 2 hours ago that it was already done!

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Then it was all washed, dried and polished and ready for re-assembly!

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But that's enough writing for tonight, we shall pick this up another day, as I have to go to bed, however, we are about 30% of the way through this! Goodnight for now.
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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #16 on: August 06, 2018, 01:13:00 AM »
Let's have a few more posts on this!

So with everything washed and polished, it's time for re-assembly, and for reasons I cannot remember now, I started with the bag holder...

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The rubber one way flap goes on

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Then the spring for the bag holder clip

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And the clip itself

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With a fresh bag to finish it off!

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Floortool now!

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Baseplate deal on

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Front bumper on

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mmm bumpery

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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #17 on: August 06, 2018, 01:21:25 AM »
End caps on

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I attached the now clean rubber sealing strips to the metal frame for the adjustment mechanism

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It sits here

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The lever that makes the brushroll rotate clips onto the inside of the end cap

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And the bracket that joins it to the external lever slips through the hole

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Which gets screwed on as shown

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Rear wheels are refitted

Time to do some wiring now, the locking spring is fitted

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Feed the wiring through the holes

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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #18 on: August 06, 2018, 01:27:54 AM »
And all hidden up again

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Yellow cable sleeve goes on

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Motor now. the blue end cap goes on

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Then the armature and end cage can be fitted

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and the other end cap too

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The belt spindle was cleaned up on the wire wheel and refitted nicely

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Carbon brushes refitted

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And the motor is whole again!

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And ca be refitted

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #19 on: August 06, 2018, 01:36:23 AM »
The PCB gets fitted now

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This shows the wire routing and the clips that hold the neck in place

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Time to fit the picture behind its frame

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There we go!

The baseplate front gets screwed on now

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Brushroll gets found

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and fitted!

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With the belt fitted and the baseplate done up, the ET31 head is finished!

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #20 on: August 12, 2018, 10:56:36 PM »
Well, let's carry this on a bit then! We are back to the main motor now, and the locking flap that holds the outer shell onto the whole machine goes on first

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It simply clicks back onto it's locating stubs

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Not much I can do with the motor now, although I do now have another one, so that's a little job for another day (ha!)

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So I lobbed some WD40 over the bearings (which is an acceptable bodge, it's thin enough to seep into the bearing and excite the dried out grease and quieten things down until a proper repair can be carried out later) and fitted the fancase cover

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Air chamber/noise suppression thing now, and a nice piece of generic filter material was cut badly to size

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And fitted and clipped on, along with the rubber gasket to seal the whole thing into the outer housing

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On the outer housing, whilst washing I uncovered air holes that have probably been blocked up for years!

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Trigger mechanism gasket fitted

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And the securing cover clipped on

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #21 on: August 12, 2018, 11:00:59 PM »
The adjustment peg is clipped and screwed in now

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It's little spring in place

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The switch itself goes in next

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Then the whole lot can be bought together and fitted

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to the motor housing

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Outer shell now, the button spring plate is slid on

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All the various plugs can be re-made

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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #22 on: August 12, 2018, 11:42:29 PM »
This job was MUCH nicer without the wires being covered in carbon dust!

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The bulbs for the warning systems were fed through the bag unlock button

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And into the yellow blank, with the orange lens clipped over the top

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The 2 parts were held together

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And slid into place

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The wiring comes through this little slot here

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And all looks like a bit of a mess until you start channeling it around where it needs to go

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The motor can be dropped back in and plugged in now

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And the top clipped back on, hiding everything nicely again!

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #23 on: August 12, 2018, 11:48:09 PM »
The outer shell was re-fitted now, however I did not fit the rubber holder/button cover to release the floor tool as I have another motor to fit, the outer shell stays on perfectly fine without it and the tools can be released perfectly fine too, I'll just be careful not to tear the good one that's with the other motor (it's a whole assembly, so I might cut the outer shell off and peel it away to save damaging it!)

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The top cover/bag mating part can be refitted now. For some reason, there was a massive burn mark around the bag fill tube hole, no idea why as there's no damage anywhere else...

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Much better!

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The trim piece for the bag is clipped back on

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The new bag can be slid in

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And the bag fitted

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And with that, the main machine and one of the floor heads is done! Only all this to go now!  :D

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We'll start with the now fully working but VERY worn and baggy ET340 head!

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Flipping it underneath, you'll notice the factory protection for the base plate has never been taken off, which will reveal good things later!

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #24 on: August 13, 2018, 12:00:49 AM »
The rear wheels have to come out, and I removed their reinforcing metal shells too. Apparently early versions of this head had a flaw where the wheel axle wore through the chassis, so these shells were fitted on later heads such as mine.

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Also 2 screws sit under there, but first it's off with the base plate

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Back over to the top now, and the big white part flips up to be able to change the brushes with no tools. Using a small flat tool though, pop the 4 big tabs up out of their locking slot

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And remove it from the floor head

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Remove the brushes next

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And the reinforcing bits of wire which just pull out ALA Sebo

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Back to the hidden screws

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Hoik those out and the top cover comes off

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This bar locks the white cover down and pops out of it's location

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #25 on: August 13, 2018, 12:06:02 AM »
The reset switch for the head pops out of the cover

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As does the indicator light lens

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Into the bowels of the thing we go!

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First out is this top cover part that runs down the middle and presumably holds the motor and cog assembly in place

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This blue clip holds both the internal hose down, and the wiring that runs across the middle of the head.

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Speaking of the wiring, we have a PCB with black coming in and red going out. Unplug it all!

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With the black wires removed the neck can be removed now, which is made all the more easier by the white securing clips being very broken on this head

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I undid the circlip and the internal hose came off as well, maybe that blue clip was just to hold the wires in check?

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Onto the motor now, and there's a clamp at the far end which in real life is not so fuzzy...

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #26 on: August 13, 2018, 12:12:20 AM »
And unscrews with ease!

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Another middle part comes out of the top of the brushroll housing...

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And the whole motor and cog assembly can be lifted out of the head chassis, the green chap laying on the floor being the spacer/locating part that sits under the end clamp

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In-house made switch gear, nice! I wonder if their current machines still have that?

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Underneath the head, this blanking plate pops out

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These are my locking clips, as you can see 2 side of each is snapped off, which causes the head to flop around alot, and make some very scary noises when it flops forward... The only way to get better ones is with a whole other head though...

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This part here covers the internal bits that show when the head is reclined about, and pops off it's locating lugs

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Under there sits a part with 2 screws. Remove those screws and the whole thing comes apart, you can see the wear from nearly 30 years of use!

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This little chap here is what centers the head when it's upright. Needless to say it doesn't really do anything nowadays, you can just about feel it locate then immediately waft out again!

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #27 on: August 13, 2018, 12:15:09 AM »
To remove the wiring, we need to pop the holder up and out of the connector like so, but as you push up from below, push down on the locking button so it passes under the outer housing!

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And eventually you get this!

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Which looks very tidy

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Now we can move back to the motor, and if it hasn't already fallen off like mine did, remove the green locating block from the end of the motor

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #28 on: August 13, 2018, 12:21:08 AM »
Whoops, hit post by accident there a bit!

This slightly pointless part covers a screw around the center of the brushroll motor

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Which needs to be removed

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What follows is 20 minutes of hand shredding pulling and twisting to separate the motor from the drive assembly!

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In which the white arm that pushes a button to warn of incorrect adjustment and bops the light on, the square locating bracket, cog assembly and motor are separated in one fluid* motion!

The sensitivity of the button pushing arm can be adjusted with this screw, which I left alone for now as it worked fine!

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Onto the motor now

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The carbon brushes and feed wires can be removed

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Then 2 long thin bolts separate the 3 parts of the motor

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I tried very hard to get this green cover off, but could not do it as other bits started to give first, so I spent a while picking all the fluff from the cooling fan beneath it

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Although did manage to get the belt cog off, which I had hoped would release the cover, but no

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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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Re: Vorwerk VK120 Home Cleaning System - Stripdown and Refurb!
« Reply #29 on: August 13, 2018, 12:27:18 AM »
Powerhead done, time to move onto the dry cleaning head, the VTF731, a massive clunky old lump!

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This was quite clean actually when I got it, but I have been using it, will pop the DC04 Zorbster VS Vorwerk Kobosan video up in a bit, but it was covered in powder

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However I then really struggled to get into the thing! There is a screw at the back under the connecting part

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A screw under the top plate which annoyingly cracked as I tried to remove it

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But still nothing

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So, I unclipped the front sponge roller cover from the middle rubber sleeve to see where that led to

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And popped the bits off that that were removeable

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Mmmm, nothing under here.

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I fiddled around for a bit, then suddenly as I was turning it over, the cover that we removed the first screw from suddenly flipped out! And there's our last screws!

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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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