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re pto jumping out


 
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sHan tn
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Joined: 27 Jan 2012
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PostPosted: Wed Oct 17, 2012 6:51 pm    Post subject: re pto jumping out Reply to specific post Reply with quote

1948 8N

i posted a while ago about the PTO lever jumping out of gear...

so today i was mowing and it jumped out on me so i put it back in and left my hand on it when mowing, i could feel it "bumping" or "twitching" when i was moving along.... but when i stopped the tractor and just let the mower run i didnt notice the bumping in the handle, any ideas??
 
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HCooke
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Joined: 29 Sep 2006
Posts: 4114
Location: Missouri

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PostPosted: Thu Oct 18, 2012 4:47 am    Post subject: Re: re pto jumping out Reply to specific post Reply with quote

Worn snap ring and or worn bearing carrier on the PTO shaft. Need to pull the PTO shaft and repair before it gets worse and causes other damage.
 
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Bill Rowles
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PostPosted: Thu Oct 18, 2012 4:59 am    Post subject: Re: re pto jumping out Reply to specific post Reply with quote

First thing to check is the bearing and retaining snap ring at the rear of the tractor. The shaft is thrusting "for and aft" and that causes it to disengage from the transmission shaft.
 
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souNdguy
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PostPosted: Thu Oct 18, 2012 5:34 am    Post subject: Re: re pto jumping out Reply to specific post Reply with quote

not sure if i answered you or not.. but if I didd, then I told you to check for thrust paly at the pto shaft stub, machine off. if there is any perceptible in / out play, the shaft will walk itself out of engagement.. chewing up the sahft end and collar inthe process, and in many cases mushrooming the end of the shaft too!

sometimes it's a detent.. not usually.

sometimes it's a damaged shift fork not getting you into engagement.. not usually.

the usual causes, as someone mentioned, are slipepd out split rings inthe bearing carrier.. damaged bearing carrier not holding the rings.. or bad bearing.

if you pull her down.. and nothing is broke.. consider repalcingthe seal if it leaks or weeps.... clean the gasket area up and install a new one, even if you have to cut it yourself. thin paperbaord works.. do not make a thick one.

park nose down and you won't have to drain oil..
 
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sHan tn
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PostPosted: Thu Oct 18, 2012 7:03 am    Post subject: Re: re pto jumping out Reply to specific post Reply with quote

ok thanks yall, i get at it this winter and clean things up while im at it, i dont know when the oils were changed last so i think im going to go broke and buy new oil for the whole tractor front to back,, anybody want to loan me some cash :)


thanks
 
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