Question about Rainbow E series Canister Wet/Dry Vacuum

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Rainbow will not come back on

I was vacuming with my Rainbow, picked up some sheet rock debris from a repair. It caused the water to foam up. I changed the water, but now the vacum will not come back on.

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Bad idea.... I think the foam got through the separator and into the fan system. When it dried it hardened and now it need to be taken apart and cleaned.

Turn it on for less than 1 sec and if you hear motor making humming sound - it is ALIVE and cleaning (maybe new fan blades too) may be all that it needs. If no sound at all it may be KAPUT. You must have smelled something burning when you turned on and it did not work.

for D4 and SE models - When cleaning I would recommend to replace bearings as they are not that expensive and if you took it apart - maybe a good idea to replace them. Also you probably will need a new gasket as when taking old one off (it is glued) it may rip apart.

For e-series - you will need a new HEPA filter.

(parts HERE)

For Parts see

Posted on Mar 12, 2009

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Try changing the water before you turn it on the first time -- that will probably help you resolve the issue. It seems like there is probably some sort of soap or carpet shampoo in the system causing your foam issue. If your carpets have been shampooed or if you have spilled soap or detergent on your carpet at any point, the vacuum is probably picking up remnants of the soap when you are cleaning, and it is working its way into the water supply of the vacuum. This will continue to happen until you have completely removed the soap from your carpet -- and if you haven't cleaned out your vacuum very well. Try rinsing out the hoses and water tank really well, to make sure that the soap is not stuck in the vacuum itself and give it a try. Hopefully just rinsing out the machine will fix the problem.

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You may have too much water in it. And if you add deodorizer to the water, it sometimes can cause too much foam causing the vacuum to shut off.

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I use foam that is the soft kind, that is like the original Rainbow foam on them, and is about 1 inch wide, and about 3/8 to 1/2 inch thick.

It is self adhesive on the back side of it, that you peel off the paper cover off of it to stick it on.

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Jhe4576. I own a Genie SV125Q, 5 gallon wet/dry


Where did you buy this unit from? Go back there and ask if they have filters for yours. Otherwise look in the Yellow Pages for vacume cleaner repair shops. Sometimes they have all kinds of filters for all kinds of vacumes. You can try places like Wal Mart. What you want to look for are filters that will work with your unit. The foam filter you refer to is called a pre-filter. It traps the bigger particles so they won't damage your paper filter or clog it up especially if it's wet stuff you're picking up. You can remove that foam filter and gently wash it out in the sink with a mild dishwashing liquid and warm water. And even sometimes if you have time you can wash a paper filter out by hosing it out from the inside, with just a gently rinsing on the outside. Don't use any solvents on it just soap and water. And don't use high pressure either, as it will destroy the paper. I have cleaned my paper filters several times before I finally had to replace them. You can also look at places like Lowe's. They carry shop vacs and a whole assortment of attachments as well.

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