Abby’s Guide > Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) > Discussions > Spit, Sputter, Cough,Blemph
Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) Discussions |
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mml4
 
Snow is good,
Deep snow is better!
Joined: Dec 31, 2003
Points: 544
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Spit, Sputter, Cough,Blemph
Original Message Feb 5, 2005 8:17 am |
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These are the sounds issued forth from my beloved Tecumseh engines equipped with fixed Jets. I don't own one but my friend does on a machine I recomended and he constantly rags me about it. In an effort to get him off my back I have researched the following and these are the results: 1) The replacement carb for a medium frame Tecumseh is 632334A ( this is a part # that replaces a disontinued part but the blow up diagram of the replacement shows an adjustable main jet. Therefore I ASSUME it is adjustable. 2) The carburetor repair kit for this model is 632347 I was able to secure a blowup diagram of this carb and the list of parts in the repair kit. It APPEARS all of the main jet parts are present in the kit.I NEED VERIFICATION If this includes the needle and the jet. If one were to remove the fixed jet from the current carb which I believe is the green plastic tube held in by O-rings and replace it with the adjustable jet and needle from the #632347 repair kit would it work? Could you retrofit the new bowl with the adjustable assembly or would you have to buy a new bowl? If anybody could verify or correct my assumptions I would be most appreciative. Marc Just for the record -theHonda GX series engine on my power washer made the same spit, sputter,cough,blemph sounds due to it's fixed jet carb. Honda has addressed this problem by producing a line of altitude related jets. Another words if you want to richen up a Honda fixed jet carb parts are available. The carb will still be fixed jet but at a richer setting.
This message was modified Feb 5, 2005 by mml4
SnapperV210P,Toro22177,TroyBilt42010Snowthrower,Craftsman Shredder,American Turbo Pressure Washer HondaGX200,Stihl011Saw,EchoPas260Trimmer Edger,EchoPB602Blower,EchoHCR150Hedge Clipper
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snowshoveler
tides in dirts out surfs up
Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261
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Re: Spit, Sputter, Cough,Blemph
Reply #20 Feb 5, 2005 5:36 pm |
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we have to richen it up somehow... those of you that are familiar with my teachings will already be on to the cure for the carb. we cant change a bunch of stuff ,its illeagle (sp).so it must look like its not been tampered with. we dont want the emission police catching us now do we. so we know that the plastic tube has some holes in it and the bowl retaining bolt may have 1 or more holes in it depending on hp now the fuel has to flow through the hole and up into the venturi.correct. we also know that these parts have been gummed up with some bad gas so we have to clean everyone of them .now some of the holes might be plugged a bit and we might just have to ream them out with a fine wire cleaner usually found in the tip cleaners with the acetylene torch gear. everyone understand now,be carefull not to ream the holes to much or your engine will be to RICH. later chris
craftsman 10/28 snowblower with tracks husky 372xpg chainsaw sachs dolmar bc212 bushsaw mondo trimmer monster tractor with trailer cheep wheelbarro and couple shovels and a partridge in a pear tree
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Richie
Bring On The White Stuff
Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
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Re: Spit, Sputter, Cough,Blemph
Reply #21 Feb 5, 2005 5:53 pm |
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mml4
Snow is good,
Deep snow is better!
Joined: Dec 31, 2003
Points: 544
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Re: Spit, Sputter, Cough,Blemph
Reply #22 Feb 5, 2005 7:33 pm |
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Hi Chris- Man am I glad your computer got fixed! Thank you so much for the explanation. As always one explanation leads to another question. You mention that depending on hp the bowl nut on the new style carbs have a different number of holes. If we ordered the bowl assembly for a larger hp medium frame engine and put it on the low hp medium frame engine could we pick up some free ponys? In a recent thread someone explored the hp ratings of Tec. engines and shared with us a conversation he had with a tech at Tecumseh.He was told the difference in hp between engines of the same displacement was achieved only through jetting. We brothers of the snow flake really  those "free" ponys, Marc
SnapperV210P,Toro22177,TroyBilt42010Snowthrower,Craftsman Shredder,American Turbo Pressure Washer HondaGX200,Stihl011Saw,EchoPas260Trimmer Edger,EchoPB602Blower,EchoHCR150Hedge Clipper
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snowshoveler
tides in dirts out surfs up
Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261
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Re: Spit, Sputter, Cough,Blemph
Reply #23 Feb 5, 2005 7:48 pm |
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you could yes , but i was speaking in general covering more than one engine from 5 to 11 or 12 horsepower. the ratings seem a little fudged to me anyway. i shortblocked a snowblower and the same shortblock fits everything from an 8 to an 11 horse. so whats the diff,carb, head ,cylinder head gasket and possibly iginition but i dont think so yet. will check on it more. i do know that the shortblock came with 2 headgaskets ,one being a bit thicker than the other. later chris
craftsman 10/28 snowblower with tracks husky 372xpg chainsaw sachs dolmar bc212 bushsaw mondo trimmer monster tractor with trailer cheep wheelbarro and couple shovels and a partridge in a pear tree
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Richie
Bring On The White Stuff
Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
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Re: Spit, Sputter, Cough,Blemph
Reply #24 Feb 10, 2005 1:51 pm |
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Hi folks, It's called, EMULSION tube. I just checked to see exactly what Tecumseh calls this part in their service manual. Shows exactly how to remove and replace it, at least if you have the plastic emulsion tube. I just received 3 different hard copy service manuals for Tecumseh engines. Tecumseh Carburetor Identification / Troubleshooting and Service manual, Tecumseh Ignition Systems, and 3-11 HP 4-Cycle L-head Engines. I've only gone through the Carburetor manual. The color photos showing how to rebuild them with step by step procedures are really great. Makes the procedure almost fool proof. Even if you don't intend to do any work on your carb, this manual really help you understand how all the different carbs work and identify the one on your OPE. I don't know if these are downloadable, I myself just wanted hard copies. With all the little progression holes beneath the Welch plugs, no wonder these carburetors clog so easily.
Richie
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snowshoveler
tides in dirts out surfs up
Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261
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Re: Spit, Sputter, Cough,Blemph
Reply #25 Feb 10, 2005 7:53 pm |
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hey Richie. once you get the hang of all those carbs . you will need to make sure all the ope in your neighborhood is working good. once you have that done then you are going to have to come north ...i have a workbench with your name on it. later chris
craftsman 10/28 snowblower with tracks husky 372xpg chainsaw sachs dolmar bc212 bushsaw mondo trimmer monster tractor with trailer cheep wheelbarro and couple shovels and a partridge in a pear tree
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Richie
Bring On The White Stuff
Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
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Re: Spit, Sputter, Cough,Blemph
Reply #26 Feb 10, 2005 9:10 pm |
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hey Richie. once you have that done then you are going to have to come north ...i have a workbench with your name on it. later chris
Chris,
You have a great job keeping OPE working at their best. Nothing would make me happier than to work on these great machines, especially if I'm allowed to tweak  Thank you.
Richie
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snowshoveler
tides in dirts out surfs up
Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261
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Re: Spit, Sputter, Cough,Blemph
Reply #27 Feb 11, 2005 8:03 pm |
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hi Richie ... you tweak all you want...we will pay extra for that. i think your clean spot on the bench just got some work put on it. are you on your way yet. our update courses start soon and you might as well come with us to them. later chris
craftsman 10/28 snowblower with tracks husky 372xpg chainsaw sachs dolmar bc212 bushsaw mondo trimmer monster tractor with trailer cheep wheelbarro and couple shovels and a partridge in a pear tree
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Ben07
The more you know about something, the more you find there is to know.
Location: Pittsburgh, PA
Joined: Feb 26, 2004
Points: 178
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Re: Spit, Sputter, Cough,Blemph
Reply #29 Feb 11, 2005 11:16 pm |
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Richie , hold out for a paid lunch break, cause I can see you ain't gonn take one anyhow. too busy tweaking.. Regards Dude Ben07
Ariens 8524LE, Toro CCR2000, Jacobsen S-B S-blowers, Generac 10hp Gen-convt. to N.G., 5 L-boys(D's F's &Dura( 74,77,80,88,00), Antiq. 1960 AYP 20 in. mag w 3.5 Tech mower. Ryan/Ryobi gas Trim. AYP 205 gas blwr. Mac c-saw,Toro E-blwr, 2 Weed-E e. stg. trims. outboards, boats, util trail, 2 Jeeps
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) for a customer and hope that the "ream cleaning" 
I couldn't handle being apart from my big red sweet heart.