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bn running issues

T

Todd Heck

Member

My bn runs great but when i plow snow with it the lever seems to move to slow. I was wondering if the spring is worn out or is it a simple fix. It idils great but when under a load the level seems to move down to idile.
 
Todd, Do you see the lever move? Or is the tractor slowing do? If you see lever move! remove lever put in vise and adjust as needed also heavery spring might help. If lever stays in place than it is your thruster bearing in the governor. oldiron29
 
I never saw the lever move but when it sounds like it was going to shut off I noticed it had moved to the idle postion. That is why I did not known what I needed to do
 
I'll bet what you have is a worn lever that the wedge shaped part of it is worn down and does not hold in the saw tooth area like it should. Very common problem and you need to remove it weld it back up and then grind it back down Done more then one and if it is that way a stronger spring will not help much if any
 
The answer Old gave is correct. The spring holding the throttle lever against the plate can get rusted and weak. a better one from a hardware store is probably a good idea. The use of a small triangular file to reshape the teeth on the plate is a place to start. Dressing the notch (pawl) on the lever is also called for.
If they are stripped from being used for years, the welding up and re shaping process is the real cure. (or a good used part) A person could put a leather washer between the lever and the plate, then use a much heavier spring to make friction to hold it in place. Jim
 
Thanks for your help. I was thinking I needed to replace the rod, but grinding the groves makes since. A cheap fix. Thank you
 
It is not grinding the groves but taking the control lever off and building up the worn area then grinding that back down. If the lever is worn like many do grinding the groves will not help any
 
That'll likely do it. On mine, the pawl on the lever wa notched out and the teeth on the quadrant were rounded off to match. A compound problem, more than just a stronger spring was gonna fix.

The lever may take a spot of weld to be worked back down, as someone suggested. Just an odd thought that jumped into my head. A file would work okay, but gets awful tedious. Just got to wonderin' if there's a saw shop in your neighborhood, and maybe a good man at sharpenin' saws might be able to jig somethin up to grind the teeth on the quadrant back. The angles of the nothches are different on front and back from a woodsaw, but mebbe ? ? ?

There I go, thinkin' again.
 
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