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Snowblower won't keep running


 
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kleinerpiner
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Joined: 27 Sep 2014
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PostPosted: Tue Jan 16, 2018 9:13 am    Post subject: Snowblower won't keep running Reply to specific post Reply with quote

I have a Toro snowblower that I have had good luck with, 'till this year when it snowed.

It's powered by 5hp Tecumseh engine. In late fall I test ran it for a few minutes to make sure all was well. Started and ran well. Now that it's cold and snowing in Minnesota, when I need it, I'm having trouble. It's very hard to start, and when it does start it will run for 2 or 3 seconds then die. After it dies, it will not start at all. I tried fresh gas, and that didn't work. I put some Seafoam in the tank and let it sit overnight. Still no go. I have tried many combinations of choke, no choke, prime, no prime, but no results. It seems if I leave it alone for a couple hours, it will start, but then immediately dies.

Any ideas? Thank you.
 
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jeffcat
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PostPosted: Tue Jan 16, 2018 9:46 am    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

Take a combination of sea foam and gas in a squirt can . If you get her runningg just keep squirting that mix into the carb and hopefully she may clean up and straighten out. Dump the old gas out and put fresh high test with some sea foam also. Soundslike crap in the carb. Never run these engines with regular gas. Hi- test only !!!! Have seen way toooo many with this problem. The other trouble could be Ethinol has destroyed all of the rubber parts in the carb and that is going to be a whole nother set of problems.
 
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gab
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PostPosted: Tue Jan 16, 2018 10:30 am    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

If the carb. has a bowl on the bottom with a brass nut in the middle and a screw in that, take the brass nut out while holding the bowl, then count the number of turns the screw goes in to gently bottom out and then remove the screw with spring. Every Tecumseh engine I've had one time or another has had crud in one of the holes in that brass nut, one hole is even hard to find some times, poke a tiny wire through it. When you go back together put that screw in the same amount of turns off the seat.
 
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tractorguy2
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PostPosted: Tue Jan 16, 2018 10:54 am    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

yep. one of the tiny holes in the brass nut is plugged.
 
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gab
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PostPosted: Tue Jan 16, 2018 4:27 pm    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

. Few pict.s if your carb. resembles this one.






 
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jeffcat
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PostPosted: Tue Jan 16, 2018 7:00 pm    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

Hey give this lemon juice trick a try. Actually mkaes scene.
cook lemon juice.

 
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steve_in_mo
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PostPosted: Wed Jan 17, 2018 4:18 pm    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

Unless you're a masochist or you get really lucky,
you can't afford to waste time rebuilding that carburetor.
You can buy a good replacement for under $20 on eBay.
 
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tractorguy2
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PostPosted: Fri Jan 19, 2018 3:54 pm    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

There is no need for a carb rebuild. Just clean the two tiny holes in the jet.
 
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504
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PostPosted: Fri Jan 19, 2018 6:37 pm    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

You really have to find an old machine, but they made the brass jet without the bare thread notch. If you ever find one, tag it as an antique and buy a new one. They must be installed to line the holes in the body, to the holes in the jet. That is why the notch is there.
 
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D beatty
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PostPosted: Fri Jan 19, 2018 11:00 pm    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

Once you have engine running ok put a shut off fuel valve on it and run carb dry when you are done. I run Briggs & Stratton fuel stabilizer that combats the effect of ethanol gasoline and fuel can be stored up to 3 years.I don't drain fuel out of tanks of small engines anymore.

 
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kleinerpiner
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PostPosted: Sat Jan 20, 2018 2:25 pm    Post subject: Re: Snowblower won't keep running Reply to specific post Reply with quote

Started to look at it today. When I got the cowling off from around the carb I noticed that the little rubber(?) line from the primer bulb had broken in at the bend into the carb. I shortened this tube, reassembled, and it started and ran for a few minutes.

I'm guessing there wasn't gas going to the carb. to keep running.

Of course it's warmer (relatively speaking) today, but we are supposed to get 6" of snow so that will be the true test.

Thanks for all the troubleshooting ideas. Will put those in the file.
 
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