Choke lever vibrates closed - Snowblower Forum : Snow Blower Forums
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post #1 of 16 Old 12-30-2015, 01:07 PM Thread Starter
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Choke lever vibrates closed

Hi Everyone,

New to the forum. Lot's of great info here. Quick question...

I have a 2012 Toro 1028 OXE. Works great but today the choke lever started closing on it's own due to normal vibration, resulting in the usual coughing etc. Had to rig a little wire to keep it open. The choke lever on this unit has always moved very easily (since new) but has never moved on its own. I took it apart to look at the linkages and carb and it looks fine to me. Blower works great, choke works as expected, governor is good. It's just that the choke lever keeps closing on it's own.

Just wondering if anyone else has had a similar problem?

Thanks!
Derrick
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post #2 of 16 Old 12-30-2015, 01:17 PM
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does it have a auto choke system????? ALOHA from the paradise city.

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MAHALO!!!!!!!!!
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post #3 of 16 Old 12-30-2015, 01:45 PM Thread Starter
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Not sure what you mean by auto choke but no, I don't think so. The only way to adjust the choke is via the lever.
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post #4 of 16 Old 12-30-2015, 02:17 PM
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Post a pic of this set up. for the masses here.

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MAHALO!!!!!!!!!
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post #5 of 16 Old 12-30-2015, 02:18 PM
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Quote:
Originally Posted by ddgunter View Post
Not sure what you mean by auto choke but no, I don't think so. The only way to adjust the choke is via the lever.
Does it have about 4 or 5 "Click stops" that you can feel when adjusting the choke? Sounds like the little detents that make it stop in set positions in the lever might be either dirty, or worn down.

I think your machine has a Briggs and Stratton 305 CC engine, correct me if I am wrong. I have attached a parts list photo of the choke shaft in my older engine, so you can check if yours is similar. If not, check some of the parts places online to find your particular model. Its part 109H on the drawing, and you can see the little fan shaped thing with the teeth near the bottom which are the detent notches.

If you cannot feel the clicks, check if the detent mechanism might consists of a steel ball being held down by a spring to give the tension, and the spring is gone, or the ball is gone.

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Last edited by skutflut; 02-24-2016 at 11:33 AM.
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post #6 of 16 Old 12-30-2015, 05:05 PM
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Quote:
Originally Posted by ddgunter View Post
Hi Everyone,

New to the forum. Lot's of great info here. Quick question...

I have a 2012 Toro 1028 OXE. Works great but today the choke lever started closing on it's own due to normal vibration, resulting in the usual coughing etc. Had to rig a little wire to keep it open. The choke lever on this unit has always moved very easily (since new) but has never moved on its own. I took it apart to look at the linkages and carb and it looks fine to me. Blower works great, choke works as expected, governor is good. It's just that the choke lever keeps closing on it's own.

Just wondering if anyone else has had a similar problem?

Thanks!
Derrick
I've never had a Toro but in reading your post you say it had always moved freely so maybe it was actually always a little loose and it has worn a bit and now doesn't hold into the little detents as mentioned. If the lever is held place with screw/bolt maybe all it needs is a shim that you could make out of thin piece tin like a washer.
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post #7 of 16 Old 12-31-2015, 07:12 AM
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to the forum ddgunter

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Make sure the windows are up before the snow plow goes by !!

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post #8 of 16 Old 01-04-2016, 07:57 PM Thread Starter
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Thanks for the info Everyone, especially the picture. I couldn't see anything amiss after taking it apart so I simply put it pack together and made sure everything was tight. I'll see what happens in the next storm.
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post #9 of 16 Old 01-05-2016, 07:03 AM
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It would be nice if you posted the engine numbers so we could look up the engines carb and see what you have. At least the model number of the blower as it's new enough it likely still has the original engine.

Without that information I'm guessing you may have lost whatever your machine uses for the detentes.
Usually it's a spring and if it falls out then you'll have the symptoms you describe.

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post #10 of 16 Old 01-05-2016, 12:00 PM
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Quote:
Originally Posted by ddgunter View Post
Thanks for the info Everyone, especially the picture. I couldn't see anything amiss after taking it apart so I simply put it pack together and made sure everything was tight. I'll see what happens in the next storm.
If the choke still feels loose when rotated, the problem will still be there.

Work fascinates me.
I can watch somebody work for hours...
2008 Craftsman 944.528391 (It's a Husqvarna ST227P)
27", B&S 305cc 13.5 ft/lb Torque 9.5 hp
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