Dirt Dog alternative

The very latest news and updates for the iRobot Roomba robotic vacuum, the Scooba Robotic Washer and the Dirt Dog workshop sweeper. All discussion and troubleshooting questions go here.

Dirt Dog alternative

Postby Chuck3737 » March 1st, 2011, 11:38 am

My Dirt Dog is dead and I hadn't realized it had been discontinued. Does Roomba or anyone else make anything that can do the same job? I've grown dependent on it to keep my garage/shop cleaned up, especially under the vehicles and benches. I take it the concept just didn't take off well enough to make it a profitable venture for the Roomba people?
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Re: Dirt Dog alternative

Postby mfortuna » March 1st, 2011, 11:52 am

It's probably gone because in general it looks like the 400 series is being phased out. You could buy a roomba red core from protechrobotics and use the dustbin and brushes from the DD. Or if you don't mind lower capacity you can use the red's vacuum bin (although you may need to buy the filter and filter frame). What is dead on your DD? You can replace the main circuit board with any 400 series roomba board.

Almost any 400 series robot can be outfitted with the dirt dog's brushes and bin.
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Re: Dirt Dog alternative

Postby Chuck3737 » March 1st, 2011, 12:13 pm

I actually have an old Discovery that looks very similar to the DD, but the dustbin does not fit. The DD seems to have a dead main drive wheel. I think the motor is dead. I know I could probably cobble something together between the Discovery and the DD, but frankly I just don't want to make that a priority with my limited free time right now if I have a choice (thus my question). I wish they'd make a DD version of the newer Roombas.
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Re: Dirt Dog alternative

Postby bhylak » March 1st, 2011, 1:39 pm

You could put it in Diagnostics, confirm the problem, and if it is the wheel replace it... Of course, it doesn't sound like you have an exact idea what it is, and if you'd like to post the problems so someone can diagnose it go ahead.

If not, you could buy a replacement, if not on ebay, on here: http://www.ushopmall.com/index.php?main ... cts_id=235
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Re: Dirt Dog alternative

Postby mfortuna » March 1st, 2011, 2:08 pm

That's a better deal than a roomba red core. If you want another DD I say go for it.
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Re: Dirt Dog alternative

Postby Chuck3737 » March 1st, 2011, 2:30 pm

I found that link you posted as well, but if you look to the bottom it says "sold out".

I went pretty far pulling the DD apart and working on a diagnosis. It drags that wheel and smoke actually came out from the motor windings. I can pull the wheel from my old Discovery and put it on the DD. Maybe I will. I'd have to read up on diagnostic mode, not sure how to do that.
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Re: Dirt Dog alternative

Postby mfortuna » March 1st, 2011, 2:38 pm

It could be you had the same issue as the used DD I converted to a security bot. The inner wheel bushing had so much debris it was causing the wheel to bind. The fact that your motor smoked probably means the whole assembly should be replaced. But you could try cleaning the assembly first and see if the motor survived the smoke.
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Re: Dirt Dog alternative

Postby bhylak » March 1st, 2011, 4:38 pm

Chuck3737 wrote:I found that link you posted as well, but if you look to the bottom it says "sold out".

I went pretty far pulling the DD apart and working on a diagnosis. It drags that wheel and smoke actually came out from the motor windings. I can pull the wheel from my old Discovery and put it on the DD. Maybe I will. I'd have to read up on diagnostic mode, not sure how to do that.


http://shop.ebay.com/i.html?_nkw=iRobot ... m270.l1313

Also, what do you mean the bin doesn't fit? I do not have a Dirt Dog to test it myself, but I thought they were interchangeable, but one had contacts for power. If you can't snip out the plastic making it not go on, What about disabling the vacuum part of the Discovery's bin? You could probably just electrical tape one of the bin's contacts.
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Re: Dirt Dog alternative

Postby mfortuna » March 1st, 2011, 5:19 pm

The DD bin fits on a red, not 100% sure if it fits on a disco. A red bin will not fit on a DD, the contacts have no place to go.

There is no need to insulate the red's or disco's power, the DD bin is all plastic in that area. Like I said, I'm not sure if the DD bin will fit on a disco. I think the disco and reds have slightly different bins.
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Re: Dirt Dog alternative

Postby sageman » March 1st, 2011, 5:28 pm

yh what i think
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: Dirt Dog alternative

Postby bhylak » March 1st, 2011, 5:39 pm

I was saying he could use a Disco, but cover one of the dust bin contacts thus disabling any power from reaching the vacuum, or remove the vacuum from it. The only difference between a DD and a Disco is the bin no?
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Re: Dirt Dog alternative

Postby Chuck3737 » March 1st, 2011, 5:43 pm

DD has brushes instead of rubber flapper thingies. Disco also has a rubber scraper thing in front of the bin IIRC.

I can't even explain why, but the DD bin definitely binds up trying to get in to the Disco. I kept trying in disbelief.
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Re: Dirt Dog alternative

Postby bhylak » March 1st, 2011, 5:59 pm

Just compare it to a Disco bin, and see how t he plastic is different. Ok aren't the brushes interchangeable on the Disco and DD? And you could cut the rubber scrapper off.
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Re: Dirt Dog alternative

Postby Chuck3737 » March 1st, 2011, 6:25 pm

I'm just saying the bins are subtly different. At first look, they seem like they should interchange, but they don't. Yeah, the brushes and stuff are not a big deal, just being complete.
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Re: Dirt Dog alternative

Postby bhylak » March 1st, 2011, 7:56 pm

If the brushes are interchangable, and you disable the disco's vacuum, you've got a perfect match.
Ben

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http://mayarover.blogspot.com/
http://www.instructables.com/id/MAYA-Te ... nce-Rover/

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Re: Dirt Dog alternative

Postby Xamindar » March 2nd, 2011, 10:54 am

In regards to the topic title. Wouldn't a 500 series robot with the high capacity bin perform the same as a dirt dog?
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Re: Dirt Dog alternative

Postby mfortuna » March 2nd, 2011, 11:18 am

As long as the 500 series had DD brushes.
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Re: Dirt Dog alternative

Postby Chuck3737 » March 2nd, 2011, 11:34 am

The DD has no vacuum and a much larger bin, which makes a big difference when cleaning up places like garages full of sawdust.
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Re: Dirt Dog alternative

Postby mfortuna » March 2nd, 2011, 11:48 am

Also using a smaller brush instead of a rubber beater the DD is able to pass some pretty large objects that could get jammed between a rubber beater and brush.
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Re: Dirt Dog alternative

Postby Xamindar » March 2nd, 2011, 11:58 am

Chuck3737 wrote:The DD has no vacuum and a much larger bin, which makes a big difference when cleaning up places like garages full of sawdust.

It's the same with a 500 series and the large capacity bin. But it seems what mfortuna stated is the big difference that would actually matter.
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