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Tractor Talk Discussion Forum

706 D PTO

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Big un

11-11-2006 13:46:03




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Hello gentlemen. How hard is it to change the clutches in the pto pack on a 706 D? It will run for a while and cut off,then start back.It will take half an hour for the pto to start,then it will run and stop.

Thanks
Big un




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the tractor vet

11-11-2006 17:55:55




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 Re: 706 D PTO in reply to Big un, 11-11-2006 13:46:03  
Well now if it was me first i would check the pressures on it first. , But this takes a special fitting and a gauges that will read 600PSI . You adjust pressure by turning the valve stem in for more and out for less BUT YA GOT TO HAVE THE GAUGE . As far as changing out the clutch pack about a couple hours because ya have to drain the rear end , ya also need a cherry picker to handel the pto as when you are comming out you must tip the rear of the pto down for the pickup tube to clear . then it is just a matter of popen out a large snap ring . But here is the kicker when ya have it out it is wise to REBUILD the whole unit . Now ya may have some leakage around the teflon seal rings or a wore out hub and loosen pressure there or a leaking O/RING in the clutch pack . HEre ya have to have a couple special tools to compress the drun down against the brake springs and releive pressure on the return spring and if you are handie ya can make up a spring compressor out of a pice of heavy plate two pices of all thread and a pice of pipe with a cutout to give acess to the snaprings. . IT takes me anywhere from three and a half to four and a half hours to rebuid one from start to finish and that includes doing a Hot set on the pressureas ya can not set it with cold oil and get it wright.When i do one i always change out the stock clutch pac for the heavy duty one and set pressure at between 245 and 265.

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Big un

11-12-2006 11:43:07




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 Re: 706 D PTO in reply to the tractor vet, 11-11-2006 17:55:55  
Vet, I wished I lived closer to ya.I would pay you to let me watch and help to learn how to do this for myself someday.It is just over my head.I guess I will have to hire it done.

Thanks



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wayne from wi

11-11-2006 15:26:09




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 Re: 706 D PTO in reply to Big un, 11-11-2006 13:46:03  

Just a thought. Are you sure the clutches are bad? It could be the tractor is low on Hytran fluid and is not able to maintain lockup pressure.



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Big un

11-11-2006 15:31:26




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 Re: 706 D PTO in reply to wayne from wi, 11-11-2006 15:26:09  
On the advice of the tractor vet it is about 10 gallons over full.It has the dual pto shafts,don't know if that makes a difference in how hard it is to repair.

Thanks



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