Hit the limit of my 826 - Monster storm - chugging - Snowblower Forum : Snow Blower Forums
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post #1 of 81 Old 01-18-2020, 01:59 PM Thread Starter
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Hit the limit of my 826 - Monster storm - chugging

50 year storm in my area yesterday and last night. THe snow was heavily packed and 4 1/2 feet deep in my 120 ft. driveway.

Taking my time it took almost an hour to get a 4 ft. wide path cut through for 100 ft. at which point the engine started to chug so shut her down for 20 minutes.

After I restarted she ran smoothly but the moment I put her under load she immediately began to chug so I pulled the machine back out of the snow. She chugged for another 10 seconds and cut out. Tried again and same thing. She has fresh efree gas and oil and a new oem carb with 3 hours on it.

Does anyone have insight/experience over what might cause symptoms like this?

FOLLOW UP: Turns out it was a bad plug. New NGK plug fixed the problem.

Last edited by barney; 01-31-2020 at 12:53 PM.
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post #2 of 81 Old 01-18-2020, 02:17 PM
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Have you checked for spark once it chugs and dies ?

.

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

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post #3 of 81 Old 01-18-2020, 02:32 PM Thread Starter
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Have you checked for spark once it chugs and dies ?

.
Haven't checked it yet. However the machine will restart and run fine up until it hits load.

Can't see how you can check for spark during operation and at point of actually dying? Am I missing something. [I'm not knowledgeable about engine repair ]. I'm assuming it has spark since it can be restarted.

My engine handy neighbor suggested it could be the plug. He said when small engines are worked hard...which the machine was definitely doing...the plug can go fubar and need to be replaced. Does that sound right to you? She has the original plug with 3 winters on it. I will get a new plug.

Thank you for your reply.

Last edited by barney; 01-18-2020 at 03:00 PM.
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post #4 of 81 Old 01-18-2020, 02:33 PM
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does it run and operate normally with no load i assume? it evens chugs with small bite of snow? like maybe 3rd of bucket?

is it stalling or just chugging? is there any obstructions like built up ice in housing and chute?

could be fuel delivery problem? fuel cap off , does it still do it?

I haven't run into this problem but it has been posted here on these forums before. following to find out cause. someone will be along with some answers hopefully.

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post #5 of 81 Old 01-18-2020, 02:45 PM
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Richen the mixture
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post #6 of 81 Old 01-18-2020, 03:06 PM Thread Starter
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Originally Posted by orangputeh View Post
does it run and operate normally with no load i assume? it evens chugs with small bite of snow? like maybe 3rd of bucket?

is it stalling or just chugging? is there any obstructions like built up ice in housing and chute?

could be fuel delivery problem? fuel cap off , does it still do it?

I haven't run into this problem but it has been posted here on these forums before. following to find out cause. someone will be along with some answers hopefully.
No ice or chute blockage. It ran smoothly both times I restarted it. Drove okay too. Once it faced a small snow load began to chug and died within 10-15 seconds despite pulling it back from snow...it didn't recover, kept chugging.
Haven't tried removing gas cap yet to see if that makes a diff. I'm hoping it's a plug problem.
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post #7 of 81 Old 01-18-2020, 03:09 PM
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I would expect you to get it warm and then do whatever to get it to die and then while it's not restarting check for spark.

You might also want to check to see if you have a bearing that is starting to bind up. Between the bearing and a load of snow it might be more than the engine can take.

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post #8 of 81 Old 01-18-2020, 03:10 PM Thread Starter
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Originally Posted by 1132le View Post
Richen the mixture
It has an oem Toro carb. How does one richen the mixture? Drill out a jet?
Why would it run fine, no chugging dying for an hour if it was running lean?
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post #9 of 81 Old 01-18-2020, 03:10 PM
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Originally Posted by barney View Post
50 year storm in my area yesterday and last night. THe snow was heavily packed and 4 1/2 feet deep in my 120 ft. driveway.

Taking my time it took almost an hour to get a 4 ft. wide path cut through for 100 ft. at which point the engine started to chug so shut her down for 20 minutes.

After I restarted she ran smoothly but the moment I put her under load she immediately began to chug so I pulled the machine back out of the snow. She chugged for another 10 seconds and cut out. Tried again and same thing. She has fresh efree gas and oil and a new oem carb with 3 hours on it.

Does anyone have insight/experience over what might cause symptoms like this?
Exhaust valve may be low on clearance.
Classic sign is the problem begins with a substantial load put on engine...problem goes away in a very short time when the load is gone.
What I would do is..run er until she acts up...shut off.. immediately pull rope and see if it has a compression loss..if yes...but has good compression again after sitting a minute or two..it's a classic sign of not enough exhaust valve clearance




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post #10 of 81 Old 01-18-2020, 03:13 PM Thread Starter
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Quote:
Originally Posted by Kiss4aFrog View Post
I would expect you to get it warm and then do whatever to get it to die and then while it's not restarting check for spark.

You might also want to check to see if you have a bearing that is starting to bind up. Between the bearing and a load of snow it might be more than the engine can take.

.
Had no problem restarting. How the heck do you check to see if a bearing is binding? Tear the engine down and???
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