Brush belt debris blocker mod

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Brush belt debris blocker mod

Postby vic7767 » June 21st, 2011, 10:47 pm

I added a small portion of a felt pad on the plastic belt housing of the brush motor in an effort to slow down or limit the amount of hair and other debris that gathers inside the belt housing near the belt pulley. One side of the felt pad has adhesive and a small amount of super glue was also applied to that area in an effort to keep it in place during a cleaning cycle. This pad seal will be tested in the very near future after a few more mods are also done on this Neato.
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Re: Brush belt debris blocker mod

Postby sageman » June 22nd, 2011, 1:53 am

good idea but i dont think it will work as the rotating belt will pull the hair through and past the felt

of corse the felt could grab onto the hair meaning a hairy pad which is better

but thinking about it just now it could just slow down entry and then how will you know about it as pad is blocking view
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Re: Brush belt debris blocker mod

Postby rafaelito » June 22nd, 2011, 8:08 am

Looking forward to hearing your report on these mods, Vic, as well as your ideas as you explore the back woods of the XV-11.

My ideas involve things like paint and tails, which really don't add value, but are amusing!
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Re: Brush belt debris blocker mod

Postby vic7767 » December 31st, 2011, 5:57 pm

rafaelito wrote:Looking forward to hearing your report on these mods, Vic


It's been 5 months now and I opened up the Neato that had the brush motor felt mod. It was fairly clean inside.

Also notice that the brush motor was sealed from debris by wrapping thermal heat tape over all the openings.
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008.JPG
Decided to add some more felt pads.
004.JPG
After several cleaning missions.
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Re: Brush belt debris blocker mod

Postby Fraggboy » December 31st, 2011, 8:55 pm

That is some good data Ed.

Curious, did you move the thermal resister on your motor, or is it on the back side? Have you noticed any errors or it stopping caused by overheating of the brush motor? The length of your pile will have some factor as well. I would suspect longer pile=hotter motor.
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Re: Brush belt debris blocker mod

Postby vic7767 » December 31st, 2011, 9:08 pm

Actually in the picture, the motor is 180 degrees from its normal mounting position. If it was installed back like it has to be to turn the brush then you would see the thermistor. Also, the belt is not in any contact with the felt pads around it so there is no additional friction.
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Re: Brush belt debris blocker mod

Postby sageman » January 1st, 2012, 11:33 pm

seems to have worked well

good job
400/disco disassembly's (everything down to the PCB)
http://www.robotreviews.com/wiki/400disco-disassembly

one day many years from now a person will say "right I'll just ROOMBA downstairs" instead of hoover
oh wait I already do :)

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Re: Brush belt debris blocker mod

Postby glnc222 » March 9th, 2012, 4:03 pm

Does a visible amount of debris get trapped on the felt revealing what is happening?
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Re: Brush belt debris blocker mod

Postby vic7767 » March 9th, 2012, 11:51 pm

glnc222 wrote:Does a visible amount of debris get trapped on the felt revealing what is happening?


So far there is no buildup. I'm sure it is due to the cleaning environment the Neato is running in. It has to compete with 4xx, 5XX, and 7XX Roombas also running in the same home.
Last edited by vic7767 on March 27th, 2012, 11:56 pm, edited 1 time in total.
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Re: Brush belt debris blocker mod

Postby glnc222 » March 23rd, 2012, 7:30 pm

Any suggestions for obtaining unfamiliar thermal tape would be very helpful. Any offers from Robot Doc?

I doubt the motors are uncovered because of any deliberate calculations; they only seem to do advanced work on the high tech aspects of the machine, with the practical end very casual.
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Re: Brush belt debris blocker mod

Postby Robot-Doc » March 23rd, 2012, 8:57 pm

glnc222 wrote:Any suggestions for obtaining unfamiliar thermal tape would be very helpful. Any offers from Robot Doc?


You can check the Neato page on my web site for a thermal tape offer. www.Robot-Doc.com
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Re: Brush belt debris blocker mod

Postby djos » January 10th, 2015, 10:13 pm

So taking inspiration from Vic's mod, I've added a hair blocker to Rosie to prevent her from getting all clogged up with my Dad's German Shepard's hair and expensive interstate shipping for maintenance.

I used some strong felt floor protectors:
https://dl.dropboxusercontent.com/u/711 ... .24.15.jpg

https://dl.dropboxusercontent.com/u/711 ... .25.06.jpg

Had to trim the felt down a bit so it would allow the motor to be reinstalled (needs to be flush with the plastic and not protrude):
https://dl.dropboxusercontent.com/u/711 ... .54.03.jpg

should make it a LOT harder for hair to get jammed on the motor shaft now:
https://dl.dropboxusercontent.com/u/711 ... .58.15.jpg

https://dl.dropboxusercontent.com/u/711 ... .58.27.jpg
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Re: Brush belt debris blocker mod

Postby vic7767 » January 10th, 2015, 11:33 pm

Good job !
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Brush belt debris blocker mod

Postby djos » January 10th, 2015, 11:38 pm

vic7767 wrote:Good job !


Cheers, I had a good example to work with. :)
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Re: Brush belt debris blocker mod

Postby djos » January 25th, 2015, 8:48 pm

Btw I think I worked out why this mod works, basically what it is doing is stopping a low pressure area from forming near the sprocket - this prevents hair from being sucked down into that area.

A low pressure area creates suction so preventing it from being created by the toothed belt also keeps hair away from the belt drive motor.
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Re: Brush belt debris blocker mod

Postby TechGuy » February 5th, 2016, 10:12 pm

I got an used XV-11 ver 112 with the clean brush error. I took this opportunity to disassemble the XV-11 and clean everything. Thanks for this mod. My new cleaning member is working fine.

I think that this XV-11 is the early version as the brush motor has 2 vents on the body and 3 vents at the front near the belt/gear. Hair got sucked inside through the vents holes. It is clean now and with the vents covered.

I am a few months late to the Neato party. Neato is no longer providing firmware update from their support site. My XV-11 has the hardware rev 112 and firmware 1.0.12959, I cannot update it manually using the GUIDE 3.4 on this forum. Let me know if you know a way to upgrade it. TIA
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Re: Brush belt debris blocker mod

Postby djos » February 5th, 2016, 10:25 pm

TechGuy wrote:I am a few months late to the Neato party. Neato is no longer providing firmware update from their support site. My XV-11 has the hardware rev 112 and firmware 1.0.12959, I cannot update it manually using the GUIDE 3.4 on this forum. Let me know if you know a way to upgrade it. TIA


I used this guide (below) on several rev 113's to upgrade to v3.2 which is the last revision supported by the rev 113 Neato's.

viewtopic.php?f=20&t=19005
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Re: Brush belt debris blocker mod

Postby andrew881 » February 20th, 2016, 1:16 pm

i have bought a xv signature, it works well, does it need this mod to continue working next months and years?
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Re: Brush belt debris blocker mod

Postby vic7767 » February 20th, 2016, 1:37 pm

No one has reported brush motor failure from hair build-up within the brush gear assembly on the Signature series.
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