[AT] Bush Hog

[Mike M]

Hey Guys, I have a question.  I have an older John Deere Bush hog. I
believe it's a 720 model. I bought it at an auction for $400 bucks and
have used it for 5 years so it doesn't owe me anything. I use it to mow
pasture, not hard use. I'm sick and tired of replacing shear pins. Upon
further inspection the shaft out of the gear box has become ob-longed
over the years, which allows the shear bolt to have some slop in it. Do
I drill out the ob-longed hole and use a larger bolt or what? Any thoughts?

Thanks,
  Mike M

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