Lo-boy 154 PTO Clutch Adjustment

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Lo-boy 154 PTO Clutch Adjustment

Postby g_angel » Wed Jun 11, 2014 9:17 pm

The manual that I have says that there should be a .050" difference reading the width of the clutch plates with the cam actuated and not actuated. And to adjust a locknut to change the reading. That adjustment is for the PTO clutch that was used prior to S/N 18709. Does anyone know what the adjustment is for the PTO clutch on S/N 29347, built in 1973? Or, better yet, where I can find that repair manual for that S/N? Thanks.
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Re: Lo-boy 154 PTO Clutch Adjustment

Postby Bill Hudson » Thu Jun 12, 2014 8:58 am

Can't help with the specifics on clutch adjustment, but [url]binderbooks.com[/url] has what you need. Excellent quality and worth every penny. Good luck.

Bill
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Re: Lo-boy 154 PTO Clutch Adjustment

Postby seahaul » Thu Jun 12, 2014 9:33 am

The later pto clutches should be adjusted to the same 0.050" difference between engaged/disengaged. The later ones did not have a locknut and are adjusted by adding shims to get the right distance. They are held in place with a snap ring that fits into the groove at the end of the shaft. (These shims are very thin, on the order of 0.003" each. HamiltonBobscubs has them.)
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Re: Lo-boy 154 PTO Clutch Adjustment

Postby g_angel » Thu Jun 12, 2014 9:42 am

Thanks Charlie. My new clutch pack, with new shims, just arrived in the mail from HamiltonBobs. I'll post as to how the rebuild went.
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Re: Lo-boy 154 PTO Clutch Adjustment

Postby g_angel » Thu Jun 12, 2014 8:29 pm

Rebuild went well but had some difficulty lining parts up. Engaged/disengaged setting is very near .050". PTO works great..... Thanks for the help.
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Re: Lo-boy 154 PTO Clutch Adjustment

Postby seahaul » Fri Jun 13, 2014 1:18 pm

Glad to be of help. These pto clutches actually work pretty well when adjusted properly, although you'll hear a lot of people "bad-mouth" them. Usually the complaints come when the friction discs are worn out or it simply needs adjusting to the 0.050" setting.
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