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Old 10-01-2015, 09:00 PM   #1
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Risso tile saw water pump

I could use some help in locating a Risso tile saw water pump. Does anybody have a contact, know of any retailers, etc? I have tried to contact the shop in Oakland but the phone is no longer working and no one seems to know how to reach Aldo anymore. Any help would be appreciated on this issue, I don't however need any advise nor do I wish to engage in any debates about which saws are the best, cut the straightest,etc. After 20+ years in the business I have used them all and have heard all the pros and cons of every one of them.
Thanks in advance for any help finding my part.
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Old 10-01-2015, 10:34 PM   #2
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Welcome, John.

If you'll enter Risso into the Advanced Search feature and ask for titles you'll find a couple old threads on that saw and that problem. Apparently even ten years ago it was difficult to contact the manufacturer.

One thread recommended you bypass the integral pump and attach a common submersible pump instead. Having never seen or used a Risso, I have no idea what the real feasibility of that might be.

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Old 10-02-2015, 04:50 PM   #3
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Like CX, I've never seen that brand of saw and wonder if the pump is anything special. In a pinch, I've had no problem making a small fountain pump work from Home Depot. Good luck with your searching.

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Old 10-04-2015, 01:43 PM   #4
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This guy refurbishes Risso saws. Peter Moale 707-337-4039. Got his number at The Tile Shop in Berkeley. I was going to get my saw refurbished but haven't got around to it. Hope he can help.
Don @ Diablo Tile and Stone
Northern California
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Old 10-11-2015, 09:48 PM   #5
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I had a Risso many years ago, when the water pump broke down(common problem) I replaced it with an MK pump that was available at Home Depot at that time.
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Old 11-05-2015, 01:37 AM   #6
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Risso tile saw water pump

Thanks very much for all the replies, especially the refurb service tip. Hopefully
the guy can fix my pump or can hook me up with a new impeller. I appreciate the suggestions about using an electric substitute but that is an obvious solution
which has been done until the main problem can be corrected.
As for those of you not familiar with "Risso" saws, they are extremely precise cutting machines, built to last forever unless they are dropped off the vehicle at speed, require some maintenance or lubrication, and were designed with problematic water pumps. My saw is over 25 years old and has been on every job type, size and environment, setting every type and dimension of material available and cuts straight with less than 1/64th inch variation in anything up to 2 feet in length when using the gauge. I still use it mainly for high priced porcelains, granite, etc where exact cuts are a necessity and saw related breakage or damage is costly.
Thanks to all and as a new user consider this site excellent for our trade and long overdue. Tile it!
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Old 11-05-2015, 07:35 AM   #7
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I have to admit to feeling a little jealous seeing you talk about your relationship with your saw.

I have a old sawbuck that is not my daily but when you need it it steps up to the task. I hope you can get the pump fixed and have her another 25 years. With all the 3d printers now I can see more old thing staying in use longer.

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Old 09-12-2016, 10:58 PM   #8
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I know this is an older post but I thought I'd chime in to possibly help someone in the future. So, we strictly used Risso saws for many many years. One thing I learned about their pumps is how to fix them in a pinch. The pump I am familiar with is the one that ran off a pulley and was not electric submergible.

The pump is brass and has rubber impeller. Their is a brass cover plate on one side held secure by 6 brass screws. That brass cover plate will wear a groove over time from the impeller. This allows water and air to slip past the side and of impeller loosing suction to pump water. To remedy, just flip the brass cover plate over and use the outside in. This will get the pump working strongly again. But before you do that, take note of the manufacturer stampings on the outside of the plate. Risso used these types of pumps from another manufacturer. I know because back in the day, I bought a handful to keep in stock because this was about the only thing that wore out on a Risso saw. NOTE: Last I checked on these types of pumps was years ago so they may no longer be as readily available. Hope this helps. If not, it was fun reminiscing.

Last edited by TileArt; 09-14-2016 at 06:00 PM.
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Old 09-13-2016, 10:06 PM   #9
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I read through your whole post and thought you were Roger. But you're not.

Jim Upton
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Old 02-14-2017, 06:30 PM   #10
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Risso Water Pumps

I just saw your posting on locating another Risso water pump.
There is a fellow name Peter Moale who totally refurbishes the Risso water pumps.
He completely goes through it by machining and installing a new bushing, provides a new impeller, and shaft, new packing under the gland nut, and resurfacing, or replacing the round cover plate.
His phone number is 707-337-4039.
Good Luck.
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Old 09-17-2018, 12:35 AM   #11
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I've got a 1968 Risso Super AA that I've had since 1987 and it still cuts dead on straight(can't say that about the others)......Mine came with a Jabsco 4530-7503. It's common use is a small mechanical pump on boats/industrial applications. I got the impeller kit back in '87(at commercial fishing supply place) and it says 90020 on box and I just pulled this out today of all things as I'm acquiring a newish Risso(07?) that still sports the mechanical pump. I replaced my Jabsco in '87 with a cheap fountain pump(been thru 3 over the years) that I set on a green scrubber pad as a filter. Since the tile world had gone big, the Risso doesn't get as much use as it did back in the day, but any chance I get will use it over the rest as it's the closest to driving a '68 corvette that my job will ever see...Ha. Know this is an old post, but it's taken me years to actually register for this site. Tom
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Old 09-17-2018, 08:49 AM   #12
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Hi Tom,

Glad you got around to joining us. Don't be a stranger.
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