Carburetor adjustments? - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 01-24-2020, 03:52 PM Thread Starter
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Carburetor adjustments?

Alright so my Columbia snowblower was having issues and kept on shutting on during snow removal. Stupid as i was i decided i would reset the carburetor to zero and start from there? problem i dont which screw does what loll.Right now as we can see in the picture 1 in the red rectangle i assume this is my exaust well the tube if filling up with gaz when i crank the snowblower!!




Was wondering if anyone can help me by letting me know which screw does what. i am clearly getting way too much gaz.




Picture 1:









Picture 2:




Picture 3:




Picture 4:

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post #2 of 8 Old 01-24-2020, 04:39 PM
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The large rectangle in your first photo is the air intake. This video and webpage may help. In the worse case, new aftermarket carbs are available for less than $20 on Amazon and other sites.

https://isavetractors.com/articles-1...et-carburetor/

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post #3 of 8 Old 01-24-2020, 05:24 PM Thread Starter
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cool this did help a bit.



Quick question about the chooke it has a arrow pointing up does that mean when i push the lever up the chooke is on or its off?


UP = chooke on?
Down = chooke off?


the engine only runs when the lever is in the down possition if i try to push it up the engine chokes out and dies!!
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post #4 of 8 Old 01-24-2020, 06:36 PM
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Quote:
Originally Posted by destluck View Post
Quick question about the choke it has a arrow pointing up does that mean when i push the lever up the choke is on or its off?
UP = choke on?
Down = choke off?
the engine only runs when the lever is in the down position if i try to push it up the engine chokes out and dies!!
You answered your own question: Up=On.
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post #5 of 8 Old 01-24-2020, 07:57 PM Thread Starter
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so if it starts fine with the chooke off im all good?


what would be causing the fact that it aint shooting snow very far? seems to want to dies down when the auger is working

Last edited by destluck; 01-24-2020 at 08:04 PM.
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post #6 of 8 Old 01-24-2020, 08:09 PM
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The engine needs to be started and warm, choke off, before making any carburetor adjustments.

Set screws 2 & 3 about 1 1/2 turns out to start, turn slowly in, clockwise, until it bottoms lightly, just until you feel it bottoms, just, careful

Screw 1 idle adjustment, set for whatever idle you want, re-set after adjusting screws 2 & 3

Screw 2 low speed adjustment, at idle, turn screw in and out until running rough then set in the middle between the two roughness

Screw 3 high speed adjustment, put throttle on high, turn again in and out until the engine smooths out then turn out, counter clockwise, 1/4-1/2 turnwide

Put fuel stabilizer, Stabil, and carb cleaner, Seafoam, Berrymans in the gas

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Last edited by JLawrence08648; 01-24-2020 at 08:18 PM.
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post #7 of 8 Old 01-24-2020, 08:10 PM
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it will have its own somewhat unique starting procedure, usually a cold start takes full choke to get going, a warm start may take partial or no choke. you wont be long figuring out what works.

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post #8 of 8 Old 01-24-2020, 08:36 PM Thread Starter
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thx for the awsome replys ready for that snowstorm i got comming tomorrow hehe
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