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Author Topic: Electrolux Dolphin Z2260 Electronic 4x4 - Repair and Refurb  (Read 1143 times)

Offline beko1987

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Electrolux Dolphin Z2260 Electronic 4x4 - Repair and Refurb
« on: October 23, 2015, 07:44:01 PM »
I have had this vacuum cleaner for 3 years now. Bought on a whim on ebay, it came with a broken speed control on the hose. The day it arrived, I attempted to take it apart, and broke the hose even more. Ever since then, it's sat at the back of the loft awaiting the day some motivation came.

I found myself with 4 dolphins last month, and nearly got one down, but got this down instead, having been here the longest.

First up was to get the hose working. Hindsight showed me how to remove the locking tab on the hose correctly...

Along with my other dolphins, I had a few spare hoses, and the locking tabs are set up to take the power connectors that were never fitted, so I took one off, and took the remains of the lavendar one off the broken hose



You can see the remains of the locking tab still fitted to the hose



Removed the remains



Old v new





The contact strips pop out



and fit to the new tab



The other part of the contacts sit on the hose, and sprung bits of brass join them up



Some re-bending of the brass tabs to provide good contact and the new locking tab locks on





This is the machine in question







It's been repaired before by the looks of it



You can see the tabs on the machine side under the cover

So, the hose worked for the first time since I buggared it all those years ago...

<a href="https://www.youtube.com/watch?v=Op2Y6_jqZek" target="_blank">https://www.youtube.com/watch?v=Op2Y6_jqZek</a>

Woohoo! Even Amy cheered (mainly because I then stopped pissing about with it at 11.45pm...)

So, next issue, which tech helped me with massively in the supressor thread was the speed control



This was the original issue, why the machine was being sold in the first place (and the owner has a bloody impressive amount of vacs and had a clearout, but it's stayed in the fold), the speed control doesnt work



I broke this open back in the day, and never did get it working again (dry solder was the original issue I think)





I broke the remains off the board, and had a look





A layer of something wasnt there to provide the contact, lost forever in 2 house moved





I went on an ebay hunt, and found some new potentiometers.

The day after I ordered those, we had massive network problems at work, and those of us who can work from home were told to do one at 10am. After the best damn drive home I've ever had (a naughty 25 minutes door to door 20.3 miles away), we were told to not log on, as IT had to prioritise the VPN connection for payments.

So, I had a look at the machine





The tools were wankered, the dusting brush and upholstery tool (had been squashed at some point, crack marks all over it) went in the bin



Tool tray is fine





This bag would have come with it when I bought it, knowing Richie god knows how old it is!



Filter was well past it too



2 rubber bungs flick out of the hose entry housing



The bag door comes off with a push of the tabs



The decal was loose anyway, so off it came



Underneath, the bag fill indicator is held on with hot glue







Seperates out easily





3 screws and the hose input housing comes off

#Invalid YouTube Link#

Hose power connector sits under here



Marked up for reassembly



Bag door seal pulls out



The wires run under the seal, and enter the machine here





The bag holder flicks off 2 shallow tabs



The bumper unclips from all around the edge



The exhaust filter should sit under here, it hasnt had one for years



The power decal pretty much fell off with a prod



Under 3 more screws sits the best damn circuit board I've ever seen on an oover





More reassembly markings



the 1400w (oooooh) boost button lifts out





hose wires removed





Extra bits removed, 4 screws come out, and the whole thing lifts out



Lovely



bye



The rear wheels sit on a keyed tube with a peg inside to stop it opening on its own



One had some string around it



The bag door latch is held on with a screw





I checked in with my boss at this point, who said still no word, and they were down the pub still... righto

Wand park slot unscrews from the inside



Front wheel has the only phillips screw on the WHOLE machine





Front wheel sits on another keyed plastic rod



Little balancing wheels pop out too



I dont know if this seperates anymore, I dont think so as you can see melted plastic joins, so I left it at that



Much wow







I didnt dare twist this screw...



One white wire runs to the switch, the other into the motor. The red from the motor plugs in behind them. Red runs from the cord rewind to the switch





Ah look, a black.





Apart







I left this well alone after that, sod trying to trace a fault with it, that would be a massive thread of questions

Cord reel now



Tug the side of the housing out and unclip the axle

Red to the inside, black to the outside





Translation - DO NOT F*CK WITH



The cord ends looked in good order



The cord reel guide had an obstacle in the way



I won



The pedals flick out of 2 retaining tabs



sprung by 2 metal springs



This was interesting, and may explain the repair shop sticker. On/off pedal had to be held in place with a bent hook of metal



Moar cobwebs



Aha, a screw holds a little latch on



Switch lifts out



There's a seal that goes between the motor housing and bag housing



4 more screws







And a motor



It sits in a keyed recess





Motor seals off



Wires connecting up to the motor



This sticker fell off the motor



The top comes off the top of the motor by releasing 2 clips



This has seen some dust then...



The carbon brush holders snap out of the casting. The carbons wouldnt fully remove themselves, so I cleaned them up as best I could









That's as far apart as it goes



Just a big rivet



And that is that stripped down!

Got to wrap this up for now, will start with the rebuild  later, dinner is calling!

But, an interesting story...



ila_rendered

Was quite chuffed they replied. So it's an oirish vac!
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 Dolphin Z2260 Electronic 4x4 - Repair and Refurb
« Reply #1 on: October 23, 2015, 11:22:40 PM »
I masked it up and got the rotary out



If you look really closely you can see where it was masked up







You cant see it in normal situations though. Motor next. The minging top cap was brushed off, some oil introduced to the top bearing and the carbons refitted



Oil was dripped into the fancase bearing, which smoothed the whole thing out. and it was re-assembled





Top (or bottom, depending on how you look at it) motor mount fitted



fancase seal on



Motor fitted



Housing lid screwed on



seal refitted



Switch fitted



lid screwed down, and spring refitted



Power pedal fitted, along with historic repair



cord rewind side





Luckily the wiring sort of falls into place



PCB fitted



Front wheel re-assembled



and fitted



Bag door latch fitted



Parking bracket fitted

Rear wheels fitted

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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  • Posts: 3637
  • Country: gb
  • Gender: Male
  • Let's take it apart!
    • My blog
Re: Electrolux Dolphin Z2260 Electronic 4x4 - Repair and Refurb
« Reply #2 on: October 24, 2015, 12:34:41 AM »
Looking cleaner!

Plug refitted



but not until the cable was refitted to the guide



and secured with its screw



Wires to the front run



bag chamber seal fitted



Stuff plugged back in



Cover plate refitted



I hadn't dug about in the shed for consumables yet so just refitted the filter cover



Contact block fitted



Cover fitted



plugs fitted



The bag full indicator clipped in perfectly fine without any hot glue, so I left it at that



Some new glue ready for the decal





Tool tray fitted



The bag latch was left off as the bag door wont shut without the bag in place with it fitted



Done!





Onto the floortool now. Had to hunt around in the loft for this, was properly buried





The back plate unscrews



The spring for the brushes pops out



brushes lift out





Front litter picker was dead



Floor change pedal snaps out of its housing



Front wheels fall off their axles





Rear wheel hammers out



Another rod hammers out to release the pivot joint



Whilst that dried after being washed, I dug some genuine filters and bags out the shed that I've had for years



The first filter



Secondary filter



Bags





Crevice tool back in



Post filter





Floor tool was dry by this point



Metal glider caps back on



Pivot pin back in



This bottom pin stops the whole thing flipping around itself



Rear wheel in



Changeover pedal fitted



cleaned up brushes fitted



brush spring fitted



Fitted



Suction channel fitted



Brushes up!



Done



I then tested it worked ok, Eva helped too



Even Charlie got a vacuum



Nearly Done!









Whilst some of the above was going on, the new Potentiometers arrived, and my stepdad soldered one onto the handle circuit board for me



It is different, as the adjuster wheel doesnt sit as it should, but isn't 'adjustable' due to the position of the adjuster on the pot, so it will have to do!



However, it does work! Can be a bit slow to change the motor speed, but it seems to get a bit more adjustment with each use, so maybe it needs to be bedded in.

Either way, it works well enough!

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

I found a matching dusting brush and upholstery tool in the shed, so they got fitted. The crevice tool is still on the DC16, wherever that is! Dead chuffed with this, the Dolphin collection has begun!
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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