[AT] Brush hog PTO shaft slop

[Mike M]

I had to switch to grade 5 bolts to make it usable but they still snap.

On 12/16/2022 4:22 PM, Bill Brueck wrote:
> I bought cub loboys on the cheap a few years back and use them for lawnmowers.  What you describe was a constant problem as these loboys aged a bit.  Hard bolts helped a little, but still a nuisance and not in a good place to effect a quick change/fix.  I finally bought a long enough drill bit to reach the hole and drilled it the next size bigger.  Problem solved.  Drilled slowly, all the pressure I could muster, lots of oil.  Hard steel but I got through it after a while.  Outer part was cast but the inner part was the end of the engine crankshaft.
>
> B²
> Bill Brueck
>     Pine Island, MN USA
>
> -----Original Message-----
> From: AT <at-bounces at lists.antique-tractor.com> On Behalf Of Mike M
> Sent: Friday, December 16, 2022 2:01 PM
> To: Antique tractor email discussion group <at at lists.antique-tractor.com>
> Subject: [AT] Brush hog PTO shaft slop
>
> Another question for the list. I have an old John Deere 513 brush hog.
> Lately, I've been shearing a lot of bolts, and I believe it has to do with an elongated hole in both the PTO shaft hole, and possibly the gearbox output shaft. Can you guys think of any remedy to this? Maybe a way to install a bushing, or just drill it out. I've attached a picture, hopefully it comes through.
>
> Thanks,
> Mike M
>
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