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Muffler Problem

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Dan England
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Muffler Problem

Postby Dan England » Mon May 29, 2006 7:51 pm

I have a small garden tiller. When I cranked it last week for the first time this spring/summer it would not rev up above a fast idle and it had no power. I suspected a dirty carb reducing gas flow into the cylinder. However, a screen located at the junction of the exaust port and muffler was almost totally plugged with carbon and this seems to be the problem. I want to let the muffler and screen soak overnight in a fluid to dissolve the carbon. Kerosene or diesel fuel are easy to obtain. Would either be effective in dissolving the carbon? If not, what would you recommend? Thanks, Dan

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Postby Bigdog » Mon May 29, 2006 8:12 pm

Seafoam
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Postby beaconlight » Mon May 29, 2006 8:12 pm

Kroil, Sea foam.

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Dan England
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Postby Dan England » Mon May 29, 2006 8:52 pm

I cleaned it up enough to be able to use it by spraying it with Seafoam, then scraping the screen with a knife blade and, finally, using a pin to punch holes through the carbon to allow exhaust gases to escape. The screen is not removable, making it difficult to soak overnight. Maybe placing a sponge on the screen and saturating it with Seafoam would dissolve the remaining carbon. Thanks, Dan

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Postby Russell F » Tue May 30, 2006 5:55 am

Once you get it clean enough to run, put some seafoam in the fuel. That should help a little and maybe keep it from happening again.

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Postby Dan England » Tue May 30, 2006 7:29 am

Russell: I will start adding Seafoam when I get it cleaned up. The screen is recessed into the muffler, making it difficult to reach. Also, I can only clean on one side. With an inexpensive cleaner, I would have immersed the muffler and let it set for awhile. Seafoam is a little too expensive for the volume which would be needed to immerse. Thanks to each of you who responded. Dan

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Postby Rick Prentice » Tue May 30, 2006 7:39 am

Hi Dan. Just a thought, but alot of guys use oven cleaner to clean stuff. It's foamy and would cling to the screen. Then maybe a few squirts of sea-foam would flush it. Just a thought, Rick

That just gave me an idea. I'll have to get some and try it on my weed eater muffler screens that plug up :D
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Postby Dan England » Tue May 30, 2006 8:46 am

B&M: Oven cleaner will probably work. I will try it. Dan

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Postby Dan England » Wed May 31, 2006 9:59 am

I applied oven cleaner, let it set for about 45 minutes, then rinsed . The tiller motor is running better. Dan

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Postby phantom » Wed May 31, 2006 10:41 am

this should probably go without saying, but did you clean the mouse nest out from under the the rope starter/governor area? on mine that needs done every spring. not to make it run better, but to keep it from overheating.
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Postby double R » Wed May 31, 2006 11:45 am

Drill holes it. The screen is a spark arrester, I've done that several times. I understand it is law to have the spark arrester in place in the state of Ca.

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Postby Dan England » Wed May 31, 2006 3:01 pm

Phantom: Motor is clean, no grass accumulation, no mouse nest. double R: I did not know the purpose of the screen. I will open it up if the problem develops again. Dan

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Postby Donny M » Wed May 31, 2006 3:19 pm

Dan,

One thing you can try is using a propane torch to heat the carbon and turn it white. Then give it a couple of good raps with a hammer handle or weapon of your choice. That should knock most of it off.
8)

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Dan England
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Postby Dan England » Thu Jun 01, 2006 8:37 pm

Donny: I will keep your suggestion in mind to try if the problem develops again. Thanks, Dan

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Postby Scott » Fri Jun 02, 2006 1:36 pm

rick you can take the screen out of the weed eater muffler that will eliminate your clogging
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