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Vax Mach Air U91 Stripdown and Refurb
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Topic: Vax Mach Air U91 Stripdown and Refurb (Read 31084 times)
beko1987
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Posts: 5044
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Let's take it apart!
Vax Mach Air U91 Stripdown and Refurb
«
on:
November 03, 2016, 10:09:09 pm »
Tweet
Hello! Sorry I've been a bit quiet, life has been up, down and busy lately, and I've been tinkering in the background, but haven't honestly had time to write any rebuild threads!
Until tonight, and I thought I would start with the Vax Mach Air. I bought this for £5 from facebook, and initially things weren't great with it
//www.youtube.com/watch?v=4BISxGHsN2k
But a quick unblock of the filter had it fighting fit
//www.youtube.com/watch?v=GI7snL5fQks
Much better! Let's have it apart
The wand/handle comes off first
This orange end cap pops off
and the adjuster mechanism started off well
but it quickly became apparent that it wasn't coming apart, so I left it be.
The other small part of the wand comes off, and that's about it!
Cyclone off
Cord off
To remove the hose, 2 screws need to be removed from here
and this screw here to release the hose at the bottom
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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!
beko1987
Member
Posts: 5044
Country:
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Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #1 on:
November 03, 2016, 10:14:04 pm »
The end of the hose pops off, and the seal comes off too
Switches now, there are 2 screws on the front
Next (as I found out, those screws aren't the only ones, so you could do this first) pop out the switch covers and remove them and the springs
And the 3rd screw reveals itself
Some gentle levering releases a small catch and the housing separates
At this stage I removed the handle lock (it was easier to take a photo of it like this!)
and the spring bit
The switch housing lifts off now
Revealing the main power and brushroll switch
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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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #2 on:
November 03, 2016, 10:18:00 pm »
The switches lift out now
and unplug
Had to chop this crimp off to get the wires out
and the mains cable is gone
The spinal cord can be pulled out now
This tool holder can be unscrewed if you like
2 screws sit at the base of the spine
and the spine lifts off
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #3 on:
November 03, 2016, 10:28:43 pm »
This is easier to photograph now!
Time to lie down
Now someone explained to me on a comment how to split the machine, so thank you MadAboutHoovers from the first youtube video, I took heed!
Pop the centre caps off the wheels, and the wheels fall off
But, some of the screws were hidden, so a different approach is needed.
Back to the top, brushroll cover off
The orange PCB cover unscrews next
and removed the little LED lens
This is the PCB inside the brushroll housing
Next, time to go back underneath to remove the screws holding the middle housing in place. You will see most of the screws here
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #4 on:
November 03, 2016, 10:37:24 pm »
there is a screw either side here behind the wheels
and one hiding under the ratings sticker
With all that undone, turn the machine back over, we need to look at wires
This is the main power feed to the PCB, remove the cable clamp
and undo the terminals to remove the wires
Remove the power wires to the brushroll motor from the other side
There's a date of 09/09-2010 on the PCB, my 23nd birthday!
With the wires removed, and the screws removed, the housing can lift off the lower chassis
With the middle layer removed, the pivot screws become visible now
and within one side of the pivot point is the brushroll motor micro switch
With the microswitch and reset switch removed the PCB lifts out now
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #5 on:
November 03, 2016, 10:45:11 pm »
The suction channels are formed with both sides of the housing, and it runs around the edges.
The 2 halves can be removed from each other now
Brushroll motor out now
The supporting bracket unscrews
Motor data
Brushroll out
End caps off
and clean up the brushroll
The 2 clips that hold the see through cover on snap off
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #6 on:
November 03, 2016, 10:48:52 pm »
The front wheels pop out
The hose inlet for the floor suction is an adapter that screws on
This metal bracket locks the machine upright, and provides enough resistance to keep it there
Onto the motor now
Post motor filter and cover off
The lower hose guide ring has another screw, which is on the top of the motor housing
and some screws later
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #7 on:
November 03, 2016, 10:56:51 pm »
There is a diffuser that sits on top of the motor, and the 2 rubbers that locate the motor into the housing are also seen
3 more sodding crimps to remove
This allows the motor to be removed
The foam sound deadening pulls off the motor
Motor data
Within the motor housing, the fancase seal can be removed
The thermal cutout sits behind the motor
The spinal cord comes in from the top via a clamp
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #8 on:
November 03, 2016, 11:02:39 pm »
and a second small cable goes out of the motor housing, around the back of the housing and through the pivot point onwards to the PCB
The suction channels awkwardly screws onto the back of the motor housing
this highlights the cheap spray finish applied to this machine, which explains why it looks so shit when it scratches up
Getting there now, time for the cyclone!
With the lid off, we see 2 screws
Which releases the handle and release button with its spring
The release valve clips on from underneath
Onto the other end, at the end of the cyclone 'cone' is a rubber seal
The cyclone to bin seal slips off the top
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #9 on:
November 03, 2016, 11:07:13 pm »
To split the cyclone further we have to remove lots of screws
which reveals the top of the cones
The cyclone seal is built into the top
To separate the cone and shroud, this locking ring needs to be rotated
The shroud just lifts off
The cone can be removed from the top part by these blurry screws
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #10 on:
November 03, 2016, 11:11:06 pm »
The bin flap pops off it's pivot points
and the bin flap seal pulls off
The release latch pops off
and it's finally apart!
Vax do like their screws
and after a day or two it was all washed, dried and polished
and in reverse order, it's time to re-assemble it! Bin latch on
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #11 on:
November 03, 2016, 11:14:53 pm »
The bin flap seal is fitted
and the flap itself is popped on
Cone/shroud now
The cone top and cone bottom are keyed, and there is a tab to line up
Fit the screws
Lower the shroud onto the cone
and fit the locking ring
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #12 on:
November 03, 2016, 11:18:34 pm »
Fit the top seal
and do up all the screws. The very top part is keyed the same as the middle part, where the center screw goes.
Fit the tip top seal
Fit the bin to the cyclone
Refit the release valve
Assemble the cyclone handle
and fit it
Moving on, fit the suction channel spider bit to the motor housing
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #13 on:
November 03, 2016, 11:26:48 pm »
Fit both halves of the spinal wire. This caught me out, the wires are a different thickness, so will only fit one way. Strip the ends cut earlier in readiness for new crimps
Lay the motor down next to it
Find your crimps
fit the thermal cutout and crimp all the wires back together
Fit the motor foams and rubber locating pegs, and fit the motor to the housing
and screw the 2 halves together
fit the post filter
Add that to the done pile
Onto the brushroll part now. Fit the metal bracket
Logged
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!
beko1987
Member
Posts: 5044
Country:
Gender:
Let's take it apart!
Re: Vax Mach Air U91 Stripdown and Refurb
«
Reply #14 on:
November 03, 2016, 11:31:17 pm »
Fit the hose inlet
then the front wheels
then the brushroll cover catches
Pop the end caps on the brushroll, slip the belt on and fit it all to the housing
Fit the brushroll motor
Lower the motor housing onto the brushroll housing
and with 3 hands, fit the micro switch, and reset switch with it's cover (it all just about stays still if you're careful)
But with the pivot covers fitted holds itself. Don't forget to feed the cable through the LH one.
Fit the top housing on now, feeding all the wires through
Logged
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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Vax Mach Air U91 Stripdown and Refurb
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