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#3236236 - 01/03/14 04:44 PM Help with Snow Blower Issue
BISCUT Offline


Registered: 12/28/11
Posts: 1678
Loc: NewYorkistan
12-15 year old Ariens 8HP Tecumseth. Was my grandfatehrs and sat for 2 years. Starts up fine on full choke but sounds like it's starved and wants to stall. Pump primer and it revs back up without stalling. After a few minutes (full choke still) will run steady. Runs well for about 20minutes under normal (full choke still) and then surges up and down loosing about 70% power.

If I turn the choke dial she begins to stall out even when all warmed up.

Suggestions?? Besides the obvious go buy urself a new blower grin
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#3236242 - 01/03/14 04:48 PM Re: Help with Snow Blower Issue [Re: BISCUT]
2010_FX4 Offline


Registered: 09/26/10
Posts: 3957
Loc: USA
Sounds like some junk in the carb; try hosing it down with some Berryman B-12 Chemtool.
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#3236243 - 01/03/14 04:48 PM Re: Help with Snow Blower Issue [Re: BISCUT]
xxch4osxx Offline


Registered: 03/11/09
Posts: 1853
Loc: Cedarbrae, Ontario
Carb rebuild smile
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#3236245 - 01/03/14 04:52 PM Re: Help with Snow Blower Issue [Re: BISCUT]
Donald Offline


Registered: 03/21/04
Posts: 15208
Loc: Upstate NY
The classic gummed up carb. It is not getting enough gas through the jet and choking helps reduce air so mixture is OK. But I doubt you have the normal power.

Best is to buy a carb rebuild kit and clean and replace anything in the kit.

New carb.

Run a tank or two with 2x dose of Blue Stabil.

I am assuming you got rid of old gas in the tank and are running fresh gas.

Replace fuel filter and spark plug as they are cheap things to try and a good idea anyway.
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#3236256 - 01/03/14 05:02 PM Re: Help with Snow Blower Issue [Re: BISCUT]
eljefino Offline


Registered: 06/15/03
Posts: 26499
Loc: ME
Is there a twisty thing sticking out of the bottom of the carb bowl? Untwist that a bit to richen it up and or shake off junk at its interface.

Generally, though, the cure is to (at least) take the carb bowl off, get a can of carb cleaner with the red straw, stick the straw under the main jet, and force cleaner up. Can sometimes do this with the carb still on the engine!

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#3236268 - 01/03/14 05:16 PM Re: Help with Snow Blower Issue [Re: BISCUT]
NHGUY Offline


Registered: 10/09/11
Posts: 3953
Loc: USA
Should be a spring loaded needle valve at the bottom of the fuel bowl.Later models dont have this adjustability.

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#3236270 - 01/03/14 05:20 PM Re: Help with Snow Blower Issue [Re: BISCUT]
Ramblejam Offline


Registered: 11/05/13
Posts: 1201
Loc: Kentucky
Originally Posted By: BISCUT
Suggestions?? Besides the obvious go buy urself a new blower grin


As it sounds like a gummed-up carb, I'd most certainly hit the proverbial "easy button" first.

Gumout Regane, Techron, Redline SI-1, etc. All available locally.

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#3236272 - 01/03/14 05:20 PM Re: Help with Snow Blower Issue [Re: BISCUT]
crazyoildude Offline


Registered: 07/23/08
Posts: 6830
Loc: new jersey
did you try carb cleaner ? That seems to work for me although my 2 year old monster ariens idles like the model t this year it too must be dirty

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#3236288 - 01/03/14 05:29 PM Re: Help with Snow Blower Issue [Re: BISCUT]
AandPDan Offline


Registered: 02/01/11
Posts: 787
Loc: MA
Actually it sounds like more than one problem. A dirty carb for sure but the surging when it warms up could be the valves needing adjusting - it's not that hard to do.

Seriously, spend some money on the machine if you have to. You won't find one that is built as well nowadays.

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#3236293 - 01/03/14 05:38 PM Re: Help with Snow Blower Issue [Re: AandPDan]
R80RS Offline


Registered: 06/05/13
Posts: 757
Loc: Wisconsin USA
Originally Posted By: AandPDan
You won't find one that is built as well nowadays.


+1 to that. The old Tecumseh engine snow blowers in that size were pretty good. The frame will rust out around you before the engine dies.

I agree with the troubleshooting advice given above. I think the problem is in the carb from sitting for so long. Rebuilding these carbs isn't that hard.
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#3236303 - 01/03/14 05:56 PM Re: Help with Snow Blower Issue [Re: AandPDan]
dave123 Offline


Registered: 01/13/09
Posts: 1311
Loc: wi
Originally Posted By: AandPDan
You won't find one that is built as well nowadays.


That is just not true.

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#3236310 - 01/03/14 06:00 PM Re: Help with Snow Blower Issue [Re: BISCUT]
VNTS Offline


Registered: 03/01/07
Posts: 1308
Loc: NE
Amsoil Power foam down the throat of the carb and then some techron heavy dose or PI will straighten it out, you might have to adjust the mixture screw , could be running lean.

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#3236328 - 01/03/14 06:17 PM Re: Help with Snow Blower Issue [Re: dave123]
Donald Offline


Registered: 03/21/04
Posts: 15208
Loc: Upstate NY
Originally Posted By: dave123
Originally Posted By: AandPDan
You won't find one that is built as well nowadays.


That is just not true.


Maybe you will not find one these days built as well at an affordable price.

What a new 28" Airens cost?
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2015 Subaru Forester 2.5 engine/CVT PP & M1
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#3236341 - 01/03/14 06:25 PM Re: Help with Snow Blower Issue [Re: BISCUT]
dave123 Offline


Registered: 01/13/09
Posts: 1311
Loc: wi
You can and will find a better blower at a affordable price. Airens would not be first on my list

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#3236343 - 01/03/14 06:31 PM Re: Help with Snow Blower Issue [Re: BISCUT]
MolaKule Offline


Registered: 06/05/02
Posts: 15541
Loc: Iowegia - USA
Originally Posted By: BISCUT
12-15 year old Ariens 8HP Tecumseth. Was my grandfatehrs and sat for 2 years. Starts up fine on full choke but sounds like it's starved and wants to stall. Pump primer and it revs back up without stalling. After a few minutes (full choke still) will run steady. Runs well for about 20minutes under normal (full choke still) and then surges up and down loosing about 70% power.

If I turn the choke dial she begins to stall out even when all warmed up.

Suggestions?? Besides the obvious go buy urself a new blower grin


I had that exact one given to me by a guy who lived up here and then moved south.

It sat in his airplane hanger for over two years.

I finally got it running by rebuilding the carb, cleaning the tank, and replacing the fuel line. All the carb internals were gummed and varnished.

It is a good SB when it is running.

I now have a Poulan and love it! thumbsup


Edited by MolaKule (01/03/14 06:34 PM)
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