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Farmall & IHC Tractors Discussion Forum
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300 pto

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paul

02-23-2005 14:02:01




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I have an IHC 300 rowcrop.

Was grinding feed today, and it made a few squeaky rumbles in the 'rear end somewhere' not horribly bad, but enough to know something isn't perfect. Did that once or twice with pto not engaged.

Almost had the mill full, and the tractor lugged down, pulled hard.

As I turned the pto to 'off' I noticed a wisp of smoke coming from the pto vent. However, the pto housing is cool to the touch.

Pto did not go off, but the tractor powered up again, no strain.

So, I cannot shut the pto off. With the lever in the middle (not locked on or off) the pto seems to run just fine - actually unloaded the feed mill that way.

With the pto lever either locked on or off, the pto continues to run (no slipping) but there is a lot of power drag - like the pto brake is on - or something. No other really bad noises.

I was about 8 or so when dad had the pto pulled out last - I guess I didn't take good notes way back then.

Any ideas on what is going on?

--->Paul

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carl in nc

02-23-2005 21:47:27




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 Re: 300 pto in reply to paul, 02-23-2005 14:02:01  
Sounds like the oil in the pto unit get a little low and the planetary gears(at least one of them)which rotate on shafts inside the unit have locked up. The pto shaft then is basically running directly from the engine and you can't take it out of gear.You will quickly wear out the brake band by attempting to stop the unit by taking it out of gear, as you can tell by the lugging of the engine when you attempt to stop the pto. Park the tractor with the front wheels downhill so the transmission oil stays in the tractor when you pull the pto unit out. I fixed mine in a few hours and about $200 in parts, and I'm not a mechanic.Works fine now, and I keep it overfilled with oil.

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JLE

02-23-2005 16:05:55




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 Re: 300 pto in reply to paul, 02-23-2005 14:02:01  
It has it's own oil reservoir, smoke coming out is sign of no oil?? It may not to late to save it.



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Dave_Id

02-23-2005 14:25:23




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 Re: 300 pto in reply to paul, 02-23-2005 14:02:01  
It might be broke..

Seriously, the bands somehow may have tightened up. Release the setscrew settings under the oval cover and see if you can get it to release



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