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Carburetor Ultrasonic Cleaning ATV Carburetor Cleaning Clean your Honda Foreman ATV Carburetor the Ultrasonic way

Clean your Honda Foreman ATV Carburetor the Ultrasonic way

Written by  Dr. Bob Sandor
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A clean, well-tuned carburetor is a key factor in the performance of your Honda Foreman ATV and nothing makes cleaning carburetors faster, safer and easier than an ultrasonic cleaner. Whether you operate a Honda Foreman ATV service shop or do it yourself, you’ll be amazed at just how thorough an ultrasonic cleanerul can be in removing varnish, grease, oil and other contaminants from one of the most intricate assemblies on your Honda Foreman ATV.

Here you will learn:

  • How an Ultrasonic Carburetor Cleaner Works

  • How to Select and Set Up your Ultrasonic Cleaner

  • How to Remove, Clean and Reinstall your Honda Foreman ATV carburetor

How Ultrasonic Parts Cleaners Work on your Honda Foreman ATV Carburetor

Ultrasonic cleaners are used in a wide range of applications to remove virtually any soil or contamination by using the power of cavitation action. This is the term used to describe the implosion of billions of minute bubbles contacting carb parts being cleaned. The bubbles are created by generator-powered ultrasonic transducers bonded to an ultrasonic cleaning tank and typically operate at an ultrasonic frequency of 37 to 42 kHz (37,000 to 42,000 cycles per second).

When the bubbles implode contaminants are quickly and safely blasted away from wetted surfaces without damaging delicate carb parts. So tiny are the bubbles that they penetrate minute cracks, crevices and blind holes impossible to reach by hand scrubbing using conventional parts washers or aerosol sprays The ultrasonic parts washer will complete the job in less than an hour, meanwhile freeing you up to attend to other tasks. And it will do it in an environmentally friendly manner because the ultrasonic carburetor cleaning formula is a biodegradable concentrate that minimizes disposal problems.

How to Select and Set Up your Honda Foreman ATV Ultrasonic Carb Cleaner

Ultrasonic carb cleaners come in a variety of sizes from bench top units to a floor-mounted industrial ultrasonic cleaning machine, so you can select any size you need. Our most popular 1½ gallon models for cleaning one carburetor at a time are the TOV150-6L and EH150EL. Select an ultrasonic carb cleaner equipped with a heater to improve the ultrasonic carburetor cleaning process.

Whatever the model and size ultrasonic carb cleaner you use there are steps to take before cleaning begins.

  1. Fill the ultrasonic carb cleaner tank to the fill line (or approximately 2/3 full) with ultrasonic cleaner solution diluted per manufacturer’s recommendations.
  2. Turn on the ultrasonic cleaner, set the heater to approximately 70°C, and operate the ultrasound for about 30 minutes to drive off cavitation inhibiting entrained air. Degassing is complete when bubbles stop coming to the surface and must be performed every time the tank is filled with fresh cleaning solution.

How to Remove, Clean and Reinstall your Honda Foreman ATV Carburetor

Step 1: Removing the Carburetor

First, remove the fenders and take out the seat. Take out the airbox to get a good look at the carburetor. Unscrew the bolts and pull the gas tank off. From the top of the throttle linkage, unscrew the throttle cable. Remove the other end of the throttle cable from the carb.

Unscrew the top and drag the end of the cable out. The needle and slide connected to the cable should pull right off. Remove the black plastic cover on the side of the carburetor by unscrewing it. Unscrew the plastic nut from the carb and pull the choke cable out. Once the choke cable is out, the carb heater will unplug at the wiring harness. After the following steps, the carb should come off easily with just a few pulls and turns.

You now hold in your hand, your Honda Foreman carb.

Congratulations! You have successfully removed your Honda Foreman carb from your ATV! You may now proceed with the next step.

Step 2: Cleaning the Carburetor

Although you can clean your carburetor without any disassembly you will achieve the most thorough cleaning with partial disassembly to allow the solution into the float chamber. Remember that only surfaces that are wetted by the cleaning solution will be cleaned. Fine mesh baskets can be used to hold very small parts.

Set the thermostat to 70°C. While the solution is heating, place your carburetor parts in the basket taking care that they do not touch each other. Once the operating temperature is reached lower the basket into the cleaning solution and set the timer for 40 minutes. Cleaning time depends on the condition of the carburetor and may have to be adjusted.

At the end of the cycle remove the components from the bath. If they are not clean replace them in the bath until the cleaning is complete. Then rinse them in fresh water to remove all traces of the cleaning solution and allow them to dry.

Safety note: DO NOT reach into an operating ultrasonic bath. Instead remove the basket if you want to inspect or rearrange the parts.

Step 3: Reinstalling the Carburetor

Return your Honda Foreman ATV carb to its original position, making sure to screw the nuts and bolts holding it into the assembly. After the carburetor is secure, plug the carb heater wires back into the harness. Return the choke cable by screwing the plastic nut back on the carb. Push it in and make sure it stays in place. Screw the plastic cover back on.

Return the other end of the throttle cable to the carb. Insert the needle and slide connected to the cable on top of your Honda Foreman carburetor. Make sure it stays in place then once it won’t budge, screw the top tightly back on. Return the throttle cable to the top of the throttle linkage exactly where you found it.

After this, a few more steps must be done. Screw the gas tank tightly back on the ATV. Return the airbox so that the carburetor remains hidden. Now for the last step, put the fenders back and install the seat.

Admire the piece of work you just put back together.

Voila! Start the engine, and your Honda Foreman ATV should be good to go.

More Operating Tips

Oils that rise to the surface of the bath should be skimmed off and disposed of properly. When the solution becomes discolored or cleaning time takes longer it is time to replace it. Drain the tank and dispose of the spent solution according to local regulations. Take the time to remove sludge that settled to the bottom of the tank. Clean the tank using a cleaning process recommended by the manufacturer.

Questions: Contact the iUltrasonic ultrasonic cleaning experts at 973 821-4400

 

Disclaimer: This advice is not provided by a licensed mechanic. Follow at your own risk. We assume no liability for any damages caused by following the advice in this article.

Last modified on Tuesday, 08 January 2013 09:26
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Dr. Bob Sandor

Dr. Bob Sandor

Dr. Bob Sandor has authored over 40 patents and technical publications. Dr. Sandor has a B.S. in Chemistry from The University of Rochester and a Ph.D. in Inorganic Chemistry from Brandeis University.

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