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mml4


Snow is good,
Deep snow is better!

Joined: Dec 31, 2003
Points: 544
Spit, Sputter, Cough,Blemph
Original Message   Feb 5, 2005 8:17 am
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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Marshall


As Long As There Are Tests, There Will Be Prayer In Public Schools. ;- )

Joined: Sep 16, 2002
Points: 7730
Re: Spit, Sputter, Cough,Blemph
Reply #65   Feb 14, 2005 8:30 pm
Ok, a 600lb man on a Nitrous Go-cart, that would leave a mark.

snowshoveler


tides in dirts out surfs up

Location: bridgewater nova scotia...aka the swamp
Joined: Jan 3, 2003
Points: 1261
Re: Spit, Sputter, Cough,Blemph
Reply #66   Feb 14, 2005 8:31 pm
Richie...

your workbench took a direct hit with a large amount of OPE its a mess,im so sorry.

for all i know you could be posting from under it.

if you are in there could you stick out a hand or somthing.

ill bring coffee for you in the morning...how do you prefer it built.

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 
Marshall


As Long As There Are Tests, There Will Be Prayer In Public Schools. ;- )

Joined: Sep 16, 2002
Points: 7730
Re: Spit, Sputter, Cough,Blemph
Reply #67   Feb 14, 2005 8:39 pm
Ben07 wrote:
You are correct Rob.
I was just using this example in that way to better see how no matter what happens the govenor trys to keep the RPM of the engine the same.  Some of the concepts don't get understood, and or not explained well..  cause they inter-mingle and it is confusing .   In this case I am sure it is my fault

Ben


No no no, it's called communicating thru type, I'm the worst!  
Marshall


As Long As There Are Tests, There Will Be Prayer In Public Schools. ;- )

Joined: Sep 16, 2002
Points: 7730
Re: Spit, Sputter, Cough,Blemph
Reply #68   Feb 14, 2005 8:42 pm
Oh yea, I think you do a great job of it too!
Ben07


The more you know about something, the more you find there is to know.

Location: Pittsburgh, PA
Joined: Feb 26, 2004
Points: 178
Re: Spit, Sputter, Cough,Blemph
Reply #69   Feb 14, 2005 8:47 pm
Marshall wrote:
. If an engine is constantly running in the 2800 RPM range because of the amount of snow, you either need to push less snow at a time or need more engine.


It doesn't run there constantly it picks up and maintains at a higher rpm. within an instant  The drop is only noticable with a tac.  With your ear when you are running it it seem's like the govenor kicks in seamlessly and without a tac you could easily think your engine is running faster cause of the sound of the engine woking under increased throttle.   The governor hardly ever kicks on this machine cept for starting point in deep heavy stuff.  Without a tac would not know there was that much rpm loss.  so if it is not suppose to work tat way maybe I do need to do a governor rod or spring adjustment.

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 
Marshall


As Long As There Are Tests, There Will Be Prayer In Public Schools. ;- )

Joined: Sep 16, 2002
Points: 7730
Re: Spit, Sputter, Cough,Blemph
Reply #70   Feb 14, 2005 8:53 pm
Ben07 wrote:
It doesn't run there constantly it picks up and maintains at a higher rpm. within an instant  The drop is only noticable with a tac.  With your ear when you are running it it seem's like the govenor kicks in seamlessly and without a tac you could easily think your engine is running faster cause of the sound of the engine woking under increased throttle.   The governor hardly ever kicks on this machine cept for starting point in deep heavy stuff.  Without a tac would not know there was that much rpm loss.  so if it is not suppose to work tat way maybe I do need to do a governor rod or spring adjustment.

Ben07


Ben, sounds like it's doing what it should be doing to me. Somewhere I got that it was running using full torque the whole time your blowing, I thought. Maybe in that torque/HP thread?  My bad.
Ben07


The more you know about something, the more you find there is to know.

Location: Pittsburgh, PA
Joined: Feb 26, 2004
Points: 178
Re: Spit, Sputter, Cough,Blemph
Reply #71   Feb 14, 2005 8:54 pm
Marshall wrote:
Oh yea, I think you do a great job of it too!


Likewise

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 
Ben07


The more you know about something, the more you find there is to know.

Location: Pittsburgh, PA
Joined: Feb 26, 2004
Points: 178
Re: Spit, Sputter, Cough,Blemph
Reply #72   Feb 14, 2005 8:59 pm
No prob Marshall.  It may be dipping lil too low on initial impact.  First thing I will try and do is put it at the center of recommender operating RPM  which is stated at 3600 plus or minus 150.  It is running at 3450 which is min but ok, and bein it is new I decided to leave it alone for awhile. so that min could affect the initial hit onthe governor assist.   Didn't spell that all out before as was  trying to save keystrokes.

Ben07

This message was modified Feb 14, 2005 by 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 
Richie


Bring On The White Stuff

Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
Re: Spit, Sputter, Cough,Blemph
Reply #73   Feb 14, 2005 9:00 pm
snowshoveler wrote:

if you are in there could you stick out a hand or somthing.

ill bring coffee for you in the morning...how do you prefer it built.

Chris,

Nice of you to finally notice    I don't know who did it, but while kneeling down sweeping up under my work table, someone decided to roll a big heavy snowblower over my back   It wouldn't have been all that bad if not for the tire chains, man those things really smarts on the back of my head.  Come morning, if you'd be so kind to bring me a large coffee, light and sweet, and a few aspirins, I'd appreciate it 

Richie
Marshall


As Long As There Are Tests, There Will Be Prayer In Public Schools. ;- )

Joined: Sep 16, 2002
Points: 7730
Re: Spit, Sputter, Cough,Blemph
Reply #74   Feb 14, 2005 9:04 pm
Ben07 wrote:
No prob Marshall.  It may be dipping lil too low on initial impact.  First thing I will try and do is put it at the center of recommender operating RPM  which is stated at 3600 plus or minus 150.  It is running at 3450 which is min but ok, and bein it is new I decided to leave it alone for awhile. so that min could affect the initial hit onthe governor assist.   Just trying to save keystrokes.

Ben07

You know, you have a point. it's not beyond reason that it will free up 100 rpm's after it's broken in well.
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