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post #1 of 43 Old 02-14-2018, 10:31 PM Thread Starter
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Some info about buying an Ultrasonic Cleaner

Some information about buying an Ultrasonic Cleaner

An ultrasonic cleaner cleans things by sending vibrations through a liquid medium. It gets in to a every small crevice, hole, passageway. The vibrations then loosen the material and it floats out.

I use an ultrasonic cleaner for cleaning carburetors, small engine and auto/truck carbs. Besides the popular cleaning jewelry using an ultrasonic cleaner, you can use it anywhere you have crevices, hard to clean places, or you just want a better job of cleaning. I've cleaned household scrub brushes with it!

Some others on here have mentioned the benefits of an ultrasonic cleaner. I have some experience with a few brands and want to share my knowledge with those who may have an interest buying one.

Looking for information on the best ultrasonic cleaners to buy, there's almost zero information, who's the best, what to buy, specifications, how effective they are, even how to use them is limited. The latter being the most important.

If you don't want to spend much money, buy a used quality cleaner but do not overspend. If you by a used cleaner sight unseen, I wouldn't pay more than $100 tops. If you buy it through a homeowner, and know the use on it then $150. There is a limited usage time span for them. And never buy or use one without a basket! The life of the transducer has been shortened. The basket also keeps the parts suspended in the cleaner. This allows for a more effective cleaning. The vibrations are not dulled. You can get a new low end cleaner for $75, the same unit under different names, Harbor Freight, Kendall. These all look the same, you will easily recognize them. I would not buy these cheaper ones but they do work, carrying only a 7 minute timer. You want at least a 30 minute timer if not 60 minutes. I generally clean my carbs for 30 minutes, sometimes 60 minutes. Some people I know do it for 20 minutes.

You can test out the effectiveness of an ultrasonic cleaner, and the strength of it, by suspending a piece of aluminum foil in the cleaner, turning it on. You should see holes being punched through the foil, the longer it is left on, the larger the holes, and the more the foil will deteriorate.

You want to buy an ultrasonic cleaner that uses 40 mhz, the large majority are all 40mhz, 40mhz is used for general cleaning. They also come in 20mhz and 80mhz for other applications.

You will find ultrasonic cleaners clean better in a warm to hot solution, similar to cleaning grease using hot water, so the unit should have a heater. The lower priced units do not though a warm heat is created by the vibrations of the solution.

There are several very good brands of ultrasonic cleaners but they are expensive. A quality unit that is priced reasonably is SharperTek (made in MI). It is the best ultrasonic cleaner for the money ranging from $200-$500 depending on the size of the tank in liters. A 2l tank is fine for small engine carbs, for auto carbs, you need at least 3l if not 4l or better yet, a 6l tank. Sharpertek is U.S. made and most important, parts are available! Plus their support and repair department.

Some quality brands are Elma, Branson, L&R (made in NJ), Crest (which is made near me in NJ and it's expensive!) These units start at $1,000. I was told by an ultrasonic distributor that Elma is Italian but my information is it's German. (You sell these and don't even know where it's made? What else don't you know correctly?) Kendall is another popular brand because it's low priced, and low quality, and impossible to get parts for.

Over the years I've used a variety of cleaners, water, cider vinegar, seltzer water, cola, Awesome, Simple Green, Simple Green HD, NAPA carb dip, and Berryman's Chem-Dip Carburetor Parts Cleaner which is my favorite!

Many use in their ultrasonic cleaners Simple Green HD at a dilution of 50/50 or 1/4, and the carbs are successfully cleaned and look great! However, I am not comfortable with using a soap to dissolve gas varnish. I think you need a stronger solvent, that's why I use Berryman's Chem-Dip Carburetor Parts Cleaner. Though Simple Green HD makes the carbs looking really clean, however I don't have the time to take chances so I use tried and true Berrymans. I want maximum effectiveness and can't play around. I want the chemical to dissolve the varnish, which I don't think Simple Green HD is designed to do, it needs the help of the ultrasonic cleaner. It dissolves grease and dirt but gas varnish? I question it. Using a specific disolver for varnish, Berrymans, will ensure success, and hopefully the passageways (that you don't see!) are cleaner and more open. If the passage ways are more open then my job will last longer.

Berryman's Chem-Dip alone is what I started with before the ultrasonic cleaner. and for the most part, it worked, then I encountered some difficult carburetors where the dip by itself did not work. Sharing this with a neighbor, he told me he had a very old lab unit. I used it and it solved the carb problem I was working on.

I had a neighbor's snowblower that only ran on full choke, anything less it would die. I soaked his carb in Berryman's Chem Dip for 4+ hours, cleaned the holes with a welder's tip cleaner, also it's a mild reamer, and it ran great on everything but no choke. It would run on 1 choke notch then when no choke, it would die. I put it in his ultrasonic cleaner for 60 minutes, again cleaned the holes, and it ran great with no choke. I was sold. I have other similar experiences, same problem, same story, same solution. No matter how clean you think the carburetor is, if it's not working right, there's varnish somewhere inside it.

When cleaning any carb, YOU MUST remove the low speed Welch plug, on Tecumseh engines it would be the plug on the side, as there are holes behind there that must be thoroughly cleaned. The Welch plug under the fuel bowl is unimportant unless it's extremely rusty as there is one large opening and it doesn't clog.

WARNING - You do not want to use any explosive or flammable solvents in an ultrasonic cleaner.

I put the Berryman's Chem-Dip in the ultrasonic cleaner letting the carb sit for 2-4 hours, then I turn the unit on. I then remove the carb and submerge it in water, removing and using a set of welding tip cleaning wires to clean all the holes. The cleaning wires have a rough section on it that acts as a reamer. If you choose to use an all purpose cleaner as the solution in the ultrasonic cleaner, I do suggest using the Berryman's carb dip first to allow the carbs to soak and loosen the varnish. Sharptek makes a cleaner specifically for gasoline varnish, I don't use it, called Shellac Buster, which many other manufacturers sell! but am considering buying it as I feel it would be excellent, but at $70/gallon and not dilutable?

I've used 3 different carb dips and found the Berryman's Chem-Dip to be the best so far. Berryman's makes two carb dip solutions, The best is the professional in the 5 gallon pail, the consumer is a 1 gallon, and it's excellent. The professional solution is a layered solvent with a volatile active agent on the bottom and another chemical that floats on top preventing the solvent from evaporating. It is a different chemical and much stronger than the 1 gallon. The 1 gallon is a water based solvent, the 5 gallon is not.

Walmart.com has the 1 gallon for $14 while the 5 gallon is $150. A while ago I posted Ollie's had the 1 gallon for $7.

Start with the 1 gallon, and if it doesn't work for you, then buy an ultrasonic cleaner. If you have an ultrasonic cleaner, I see no need for the 5 gallon professional solution. 40 years ago before ultrasonic cleaners were affordable, I had the 5 gallon, but another brand, to clean carburetors and it was excellent, for the time.

Whatever the solution, I periodically strain it through a paper towel placed in a funnel. I also clean the parts prior to putting it in the carb solution or ultrasonic cleaner with old gasoline. I suggest using kerosene instead of gas, it's less flammable and toxic.

I do not dispose of the carb dip solutions, I reuse and reuse it, losing some to dripping off the parts, accidental spillage, and evaporation.

Do not expect to put the carb in the ultrasonic cleaner or a carb dip bath without taking it apart. Remove the fuel bowl, float, fuel inlet valve, if you have adjustment screws, remove them, from the fuel bowl, from the side of the carb. If you have Welch plugs on the side or top of the carb, remove them. Tecumseh carbs have a Welch plug on the side that needs to be removed to clean the holes behind it. This is critical for successful cleaning. Some carbs have a small black plastic cap that hides a high speed jet, remove the cap and of course unscrew the jet. Some Honda and Kawasaki carbs have a jet on top that needs to be removed. Any holes in the jet are cleaned using a welding tip cleaning wire.

Three stories.

A years ago, a neighbor could not start his lawnmower. I drained the gas, and could not start it either. So I removed the carb, disassembled it, put the carb in Berryman's carb dip for 4 hours, put it back on again and it started but ran rough, and was searching, hunting. The mower was very usable. I cut my grass with it. I called him up and told him I got it running but it was running rough. He said he had an ultrasonic cleaner, a very old lab unit that was two piece, the stainless tank and the power unit called a generator with a plastic hollow tube as the connector. He had used it for his 350 Chevy boat engine with a 4 barrel carb. His engine was running rough and hard starting. He put the carb in vinegar in the ultrasonic cleaner and it worked and ran great. I took his ultrasonic cleaner home and disassembled the mower carb, put it in the ultrasonic cleaner using my Berryman's as the solution medium. After 60 minutes, reassembled, installed, the mower ran great, smooth. So this was my first experience with using an ultrasonic cleaner.

A year before this, a neighbor brought me his snowblower with a Tecumseh engine. It would only run only on full choke, and told me it would stall in wet or deep snow. I was using only Berryman's carb dip then. I took his carb apart, soaked it in the Berryman's Chem-Dip for 4 hours, cleaned it, used the welder's tip cleaning wires, then put it back on again. It ran great, did 2' of snow, but it ran only on 1 choke notch rather than no choke, otherwise it would die. The following year after using my neighbor's ultrasonic cleaner to solve his lawnmower problem, I called the neighbor with the snowblower to bring his snowblower back to me to try the ultrasonic cleaner. I disassembled the carb, and after using the ultrasonic cleaner for 1 hour, again cleaning the holes, it ran great on no choke.

I recently cleaned a neighbor's Chinese engine carb on his Craftsman that has been hunting for couple of years when he's been using his snowblower. Years prior I told him to start using Seafoam before the problem got worse. Never did. Then snow was forecasted, he ordered a new carb, he waited until the night of a snow storm when the snowblower did not start to put the carb on it only to find the carb he ordered was the wrong carb for the machine and it did not fit. A few days later I did his snowblower's carb in the ultrasonic cleaner, after the carb soak, and using the ultrasonic cleaner it ran so smoothly.

I was sold. I have other similar experiences, same problem, same story, same solution. No matter how clean you think the carburetor is, if it's not working right, there's varnish somewhere inside it.

That's All Folks!

1986 Ariens ST522, 5hp, 22"
1995 Murray Craftsman 10hp, 29" w. 12" impeller
A 1983 Real John Deere 10hp, 32" w. 12" impeller, 16" auger, 20" high front, cast iron gear box, chains
Noma 9hp, 27" w. 12" impeller
Noma 5hp, 24" w. 12" impeller, 20" high front
Gravely Convertible, 12hp Kohler cast iron, 26" width, 600 lbs of cast iron & steel, 2 speed impeller, 4 ground speeds
Dynamark 8hp, 26", 12" impeller, for sale
Several other 5hp, 8hp, several 2 cycle, all for sale

Last edited by JLawrence08648; 12-07-2018 at 10:47 AM.
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post #2 of 43 Old 02-14-2018, 10:41 PM
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Great Write-up..... But just to be perfectly clear, You are using Straight BerryMans* from a 5 gal pail as the cleaning solution in the U/S Cleaner??

Thanx, Jay
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post #3 of 43 Old 02-14-2018, 11:31 PM Thread Starter
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Originally Posted by JayzAuto1 View Post
Great Write-up..... But just to be perfectly clear, You are using Straight BerryMans* from a 5 gal pail as the cleaning solution in the U/S Cleaner??

Thanx, Jay
No. I use the 5 gallon as a dip, and use the 1 gallon in the ultrasonic cleaner.

1986 Ariens ST522, 5hp, 22"
1995 Murray Craftsman 10hp, 29" w. 12" impeller
A 1983 Real John Deere 10hp, 32" w. 12" impeller, 16" auger, 20" high front, cast iron gear box, chains
Noma 9hp, 27" w. 12" impeller
Noma 5hp, 24" w. 12" impeller, 20" high front
Gravely Convertible, 12hp Kohler cast iron, 26" width, 600 lbs of cast iron & steel, 2 speed impeller, 4 ground speeds
Dynamark 8hp, 26", 12" impeller, for sale
Several other 5hp, 8hp, several 2 cycle, all for sale
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post #4 of 43 Old 02-14-2018, 11:39 PM
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Thank you for the excellent write-up. You are right about not using a flammable liquid in the ultrasonic cleaner! The flammable solvents need an energy of activation to release their energy and the ultrasonic cleaner provides that energy.

Last edited by Miles; 02-14-2018 at 11:54 PM.
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post #5 of 43 Old 02-15-2018, 09:41 AM
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If the fluid that you are cleaning with is warm to hot, it works better in an ultrasonic also. That is why a lot of them have heaters. Not for flammable fluids, of course.
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post #6 of 43 Old 02-15-2018, 10:34 AM
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Sooooooooooooooo............

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Originally Posted by Miles View Post
Thank you for the excellent write-up. You are right about not using a flammable liquid in the ultrasonic cleaner! The flammable solvents need an energy of activation to release their energy and the ultrasonic cleaner provides that energy.
So using flammable liquids in an ultrasonic cleaner can start a fire? How does that work?
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post #7 of 43 Old 02-15-2018, 10:46 AM Thread Starter
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So using flammable liquids in an ultrasonic cleaner can start a fire? How does that work?
Great for barbeques! Expensive though. You've lost your ultrasonic cleaner.

1986 Ariens ST522, 5hp, 22"
1995 Murray Craftsman 10hp, 29" w. 12" impeller
A 1983 Real John Deere 10hp, 32" w. 12" impeller, 16" auger, 20" high front, cast iron gear box, chains
Noma 9hp, 27" w. 12" impeller
Noma 5hp, 24" w. 12" impeller, 20" high front
Gravely Convertible, 12hp Kohler cast iron, 26" width, 600 lbs of cast iron & steel, 2 speed impeller, 4 ground speeds
Dynamark 8hp, 26", 12" impeller, for sale
Several other 5hp, 8hp, several 2 cycle, all for sale
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The ultrasonic cleaner is putting energy into the liquid. This is not the quick burst of energy like a spark, or a flame, but it is energy nonetheless. Once the liquid reaches it's activation energy point, it releases it's energy. With a match, gasoline lights right up. The flame gives it enough energy to reach its activation point and it bursts into flame. The ultrasonic cleaner's energy is invisible, but it is adding energy slowly to the liquid.
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post #9 of 43 Old 02-15-2018, 12:00 PM
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Quote:
Originally Posted by Miles View Post
The ultrasonic cleaner is putting energy into the liquid. This is not the quick burst of energy like a spark, or a flame, but it is energy nonetheless. Once the liquid reaches it's activation energy point, it releases it's energy. With a match, gasoline lights right up. The flame gives it enough energy to reach its activation point and it bursts into flame. The ultrasonic cleaner's energy is invisible, but it is adding energy slowly to the liquid.
I assume you mean the ultrasonic cleaner excites the flammable liquid to a mist just like a carburetor and any outside ignition source even the ultrasonic cleaner itself with it's electronics can initiate combustion. Looking at the SDS for Berrymans carb cleaner makes me wonder why it's able to be used considering it contains the following:


Section 3 Composition/Information on Ingredients

Component:

Toluene 40-50%
Acetone 20-25%
Methanol 20-25%
Methyl Ethyl Ketone 1-5%
2-Butoxyethanol 1-5%
2-Propanol 1-5%

All I can say is be careful out there!
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post #10 of 43 Old 02-15-2018, 12:18 PM Thread Starter
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Below is not the composition for either one of their Chem-Dips. It's for their pour in fuel cleaner, similar to Seafoam.

Quote:
Originally Posted by stromr View Post
I assume you mean the ultrasonic cleaner excites the flammable liquid to a mist just like a carburetor and any outside ignition source even the ultrasonic cleaner itself with it's electronics can initiate combustion. Looking at the SDS for Berrymans carb cleaner makes me wonder why it's able to be used considering it contains the following:


Section 3 Composition/Information on Ingredients

Component:

Toluene 40-50%
Acetone 20-25%
Methanol 20-25%
Methyl Ethyl Ketone 1-5%
2-Butoxyethanol 1-5%
2-Propanol 1-5%

All I can say is be careful out there!

1986 Ariens ST522, 5hp, 22"
1995 Murray Craftsman 10hp, 29" w. 12" impeller
A 1983 Real John Deere 10hp, 32" w. 12" impeller, 16" auger, 20" high front, cast iron gear box, chains
Noma 9hp, 27" w. 12" impeller
Noma 5hp, 24" w. 12" impeller, 20" high front
Gravely Convertible, 12hp Kohler cast iron, 26" width, 600 lbs of cast iron & steel, 2 speed impeller, 4 ground speeds
Dynamark 8hp, 26", 12" impeller, for sale
Several other 5hp, 8hp, several 2 cycle, all for sale
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