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Old 12-21-2010, 02:18 PM   #1
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Another Snowblower Question


I have a White brand snow blower, a Snow Boss 750, in fact, that has a couple quirks. It is 8 or 9 years old.

It starts great, first pull out of the shed this year even. But I have to follow a very specific starting order: full choke, 3 pushes on the primer bulb, pull to start, then half choke for a minute or two until it's ready for action. But that's not what's bothering me.

1. the throttle lever no longer turns the machine off like it used to do. Now it just goes to low idle. Even if I turn and remove the big red plastic key the engine won't turn off. Any ideas? I've resorted to just pulling the spark plug wire. Not the end of the earth, but the occasional shock is annoying. I've been meaning to buy a wire puller, but you know that's gonna get lost...

2. When there is no load on the engine the rpm's surge in a hi/low way at about 1 hertz. As soon as i give it some snow to deal with, it evens out. Again, nothing I can't live with, but is it a sign of some other problem developing?

Thanks!

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Old 12-21-2010, 07:29 PM   #2
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Another Snowblower Question


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Originally Posted by cgoll View Post
I have a White brand snow blower, a Snow Boss 750, in fact, that has a couple quirks. It is 8 or 9 years old.

It starts great, first pull out of the shed this year even. But I have to follow a very specific starting order: full choke, 3 pushes on the primer bulb, pull to start, then half choke for a minute or two until it's ready for action. But that's not what's bothering me.

1. the throttle lever no longer turns the machine off like it used to do. Now it just goes to low idle. Even if I turn and remove the big red plastic key the engine won't turn off. Any ideas? I've resorted to just pulling the spark plug wire. Not the end of the earth, but the occasional shock is annoying. I've been meaning to buy a wire puller, but you know that's gonna get lost...

2. When there is no load on the engine the rpm's surge in a hi/low way at about 1 hertz. As soon as i give it some snow to deal with, it evens out. Again, nothing I can't live with, but is it a sign of some other problem developing?

Thanks!
Maybe the carburetor is stuck open. Try some Gumout.

http://www.amazon.com/XTRA-CARB-CLEA.../dp/B000PD22FS

Your throttle is probably adjustable too.

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Old 12-21-2010, 08:25 PM   #3
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Another Snowblower Question


Ayuh,... #1, the shut-down has lost it's Ground.... loose screw, broken wire, whatever..
A jumper wire from ground to the sparkplug is less shocking than pullin' the wire off....

#2, I agree is probably a crud in the fuel system issue, probably the carb...
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Old 12-21-2010, 09:46 PM   #4
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Another Snowblower Question


Lost ground would make sense; I have had a problem w/ mice in my shed chewing on wires.

And I'll try some carb cleaner and maybe some Seafoam in the fuel.

Thanks for the advice!
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