Thread Number: 38879  /  Tag: Recent Vacuum Cleaners from past 20 years
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Post# 412890   8/18/2019 at 16:39 (232 days old) by watsonw (Newport, Shropshire, UK)        

Hello Kirby experts,

I have been given a g7e, no tools, no instructions.

How do I remove the brush roller assembly for cleaning and then replace it.

The bristle tufts look rather worn and distorted?

Regards, Walter, West Midlands, UK.

Post# 412898 , Reply# 1   8/18/2019 at 20:43 (232 days old) by Lesinutah (Utah)        

lesinutah's profile picture
If you lift up the headlight you will see the top of the rug nozzle. You will notice green and red marks for the brush roll. If the green arrows are lined up like in the picture the belt is off the belt lifter.
The big screw holding the nozzle on rotates and disconnects the nozzle. If you take the nozzle off pulling top portion 45 degrees and pulling away from the vacuum.
The backside of the brush roll has 2 swivel brackets. The hold a metal brush plate on. Once you disengage brackets the brush plate will swing away from the bracket. Once that off the brush roll will be free to remove.

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Post# 412899 , Reply# 2   8/18/2019 at 21:14 (232 days old) by vacuumdevil (Vacuum Hell )        

vacuumdevil's profile picture
First 20 minutes of this review explains that.

If you want to go deeper here you go .

Post# 412924 , Reply# 3   8/19/2019 at 18:01 (231 days old) by watsonw (Newport, Shropshire, UK)        
Many thanks from watsonw

To Lesinutah and Vacuumdevil.

Gents thank you for your efforts.

My my, Kirby really have an eye for quality and detail, this is my first Kirby and I have been all day cleaning it up.

Regards from across the pond.

Walter, UK. (the g7 makes 110 vacs in my collection)

Post# 412934 , Reply# 4   8/19/2019 at 23:23 (231 days old) by Lesinutah (Utah)        

lesinutah's profile picture
Glad to help you out. The g,7 diamond edition has best 2 speed setup and new gear ratio in transmission.
If I may recommend an upgrade the fill tube topper takes micron magic bags. If you get the twist type f adapter. This will allow you to newest HEPA bags. I have been telling anyone who listens on Amazon veva is vacuum bag brand and there type f bag is as good or better than Kirby's bags. I bought 30 for $30 on Amazon. If available check them out. The bag let's motor breathes better and doesn't bog motor down or resist air flow.
The pic I posted is g7d.
I'd say I have about 25 vacuums and 20 handvacs.

Post# 412942 , Reply# 5   8/20/2019 at 11:10 (230 days old) by Rowdy141 (Biryani)        

Hi Walter,
You said remove it for cleaning, then replace it.

If you intend to replace the same cleaned, worn, roller; you can adjust your brushroll height to compensate for bristle wear. Either by turning the screw at each end of the roller (if you have screws), or by rotating the irregular-shaped nylon brushroll bearing/bracket. It has coloured dots so you can get both ends to matching depths.

If you mean to replace it with a new one; you'll no-doubt get a new ribbed Drivebelt to go with it. New Brushrolls are usually preset for optimum bristle height, but its worth checking. In that workshop video, the engineer checks bristle protrusion by eye, sliding his screwdriver along the Rugplate. He's looking for about 1/8th" bristle protrusion along the whole roller.

Alan UK

Post# 412943 , Reply# 6   8/20/2019 at 12:37 (230 days old) by rivstg1 (colorado springs)        
fyi:good news

rivstg1's profile picture
You don't need to replace the upper tube topper to use Modern Hepa cloth bags, they fit nicely on the original tube topper

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Post# 412954 , Reply# 7   8/20/2019 at 18:14 (230 days old) by watsonw (Newport, Shropshire, UK)        
Hello again Gentleman,

Many thanks for all your assistance.

I did not need to replace the brush roller; I turned both sides around to the `2' notch side so as the bristles just protruded evenly out from both sides of the base plate. but as a matter of course I did replace the belt with a spare genuine pt no 301291.

I also luckily happened to have, like the belt, a pack of eight genuine suitable bags of the pre- heap type.

I tested it this afternoon and as the young people say these days " it was wicked".

Again many thanks,

Walter, Shropshire, West Midlands, UK.

Post# 412969 , Reply# 8   8/21/2019 at 01:26 (230 days old) by Lesinutah (Utah)        

lesinutah's profile picture
I thought that might be the case I'm not positive on which have mircron magic bags. I lost track.

Post# 412975 , Reply# 9   8/21/2019 at 11:13 (229 days old) by sptyks (Skowhegan, Maine)        

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Try to refrain from setting the Green Speed Switch on top of the motor housing to Low Speed which can cause the motor to overheat and burn out. This switch should always be set to High Speed.


The G7 Diamond was the only Kirby to have the 2 speed motor option. Kirby discontinued the 2 speed motor option on all subsequent models after the G7 because of the motor burn out problem. So if you leave the speed switch set to HIGH you should be fine.




Post# 412985 , Reply# 10   8/21/2019 at 17:16 (229 days old) by watsonw (Newport, Shropshire, UK)        
Two speed switch.

Hello Stan,

There is no two speed switch on top of the machine, green or otherwise?

Maybe the machines supplied for the british `220/240 volt' market were not supplied with the two speed facility?

Regards, Walter.

Post# 412986 , Reply# 11   8/21/2019 at 17:32 (229 days old) by rivstg1 (colorado springs)        
are you sure sptyks?

rivstg1's profile picture
I heard from a kirby technician/sales guy that the reason they stopped producing the 'low' or 'half speed' switch was because customers complained that their Kirby wasn't picking up much...aka 'somethings wrong with my kirby' was the complaint.....when in actuality, there was almost never anything wrong with it.....the customer just had the switch 'on' which is the half speed! I agree with your comment on how it CAN overheat if used TOO long a time on half could burn out the resister (b4 the motor)..... its not that it can't or shouldn't be used on half speed.

Post# 412993 , Reply# 12   8/21/2019 at 19:47 (229 days old) by Lesinutah (Utah)        

lesinutah's profile picture
I was told about 2 2 speeds. One on the emtor one on the front by the nozzle. I guess putting Kirby in portable mode activated switch. The other was was using hose on exhaust or something to do with emtor.
I would not mess with it. My g7d runs fine. It's had a tune-up from vacuum shop. I wouldn't say it's an issue if you use your vacuum normal you won't have issues.
I know it's got two speeds in two different places. I have not heard of the issue and being your in the UK I think the motors already in high speed with higher voltage.
I say don't fix something that is not broke.
Enjoy it as it's from what I have seen the most like g series Kirby.

Post# 413004 , Reply# 13   8/22/2019 at 10:24 (228 days old) by sptyks (Skowhegan, Maine)        
Dual speed switch...

sptyks's profile picture



The Kirby Diamond edition had a green speed switch located on top of the motor housing. This switch enabled the user to select a low speed mode to prevent the Kirby from sucking up small throw rugs which could stop the brushroll from spinning.


The Diamond edition was the only Kirby to have this switch.


Walter: I suppose it is possible that 240 volt versions of this machine sold in the UK may not have had this switch.


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