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IH 1066 PTO issues

J

JMY

New User
It's hooked up to a batwing mower...it mowed about 45 mins
when the PTO stopped spinning. The dipstick is broken off so
it's always been a guess as to whether the hydrolic fluid was
full or not...turns out it was pretty low I'm sure...put a bunch
in..mowed about 30 mins when PTO stopped (different days
so it had time to cool)...im thinking PTO clutch...any other
suggestions before I find somebody to work on the clutch
 
Don't know as it could be anything from the tiny little pin that holds the two parts of the valve together to the IDPTO input and pressure plate splines . Fist off does the three point and power steering still work ???? what kind of pressure does the PTO have ??? could be that the suction tube on the pto came loose and you lost prime to the PTO hyd pump ??? just don't know with out checking it myself .
 
disclaimer: I can work on a car/truck...I really know diddly squat about tractors/ptos
Yes, three point and power steering still work...
Dunno how else to check PTO pressure, gauge in tractor doesn't work.
The batwing is all hydrolic as well...there is no shaft...I'm assuming when the PTO is engaged on the tractor it runts a pump to spin the mower blades...I guess perhaps it could be issue with the mower itself...
After filling the hyd and runnning the tractor about 30 mins it was leaking from (or near) the bottom of a large round disc "thing" that extends off the right side center of tractor just above and in front of rear axle (about 10" diam...3" deep)
not anywhere north Texas are you??? :)
 
Well the big round thingy is probably the brake drum . So i am guessen that either the seal on the bull pinion is leaking or the brake piston is leaking . And yea i and a weeeeeeeeee bit north of Texas and a tad east also . i am in N.E Ohir . To check PTO pressure ya need a special fitting and a gauge that will go to atleast 600 lbs . Lock up pressure should be between 235 and 265 . I like setting them at a the higher end of scale . IF it only needa clutch pak that ain't to hard of a job but ya need a cherry picker to handle it as it is heay and ya have to tip the back down so ya do not bag the pick up tube as you come out . Removal of the three point top link bracket makes it a lot easier to watch the shaft as you come backout . Myself i would install the Hd clutch pac with the 7 and 9 set up . Now if it needs a total rebuild then well ya need a FEW special tools to do this . Takes about 3 1/2 hours to rebuild one and maybe 4 if it fights ya . Just did a 1086 for a friend a week ago . That one fought me all the way . Now i am going back outside with a vary cold barley pop .
 
Ok, definately callin in reinforcements...but good to have some knowledge now...thanks for the input!
Oh, on the off chance that you have one in the backyard...lol...have any clue how long the hydrolic dipstick is and where "full" is on it? It's a circus act to try and look down that tube and can't really tell much even when you do...
 
Contact a salvage yard and they will i am sure have the correct dip stick or go to your closest Friendly Case I H dealer and get a new one . Don't know where your at but i am dead sure that ya got one or the other close by and if not then i can direct ya to some good people.
Now for that barley pop i scene a drought coming on and a cool breeze blowen so off to my lawn chair.
 
Once you get a correct dipstick, run it 1 gallon over full. Dont feel bad. IHs had problems with PTOs slipping. You dont need any special tools to do one. And it only takes a couple of hours if your good. We have a 1466 for a manure hauling tractor and it runs the blower. About every 5 years you have to completely go through the PTO, wheather it has the HD pacs or not.
 
call Buck Mitchell in Gainesville at 940 665 0789 see if he has a used dipstick and or PTO. hes a darn good guy.
 
Well then if you don't have to use any special tools then why do you need the fitting to set the pressure and why do you need something to compress the spring to renew the seals > I love guys like you that that say ah ya don't need this or that to fix it . If the tools were not needed then why did they make them in the first place and if ya did not need to have a special fitting to set the pressure then why did they make the fitting?? Next you will tell me that there is no need to set the lock up pressure at operating temp of the oil . So you go wright ahead and keep thinking what you want but let the guys that work on them for a living tell the guys that don't know how to fix them correctly the first time.
 
You set the lock up pressure as high as it will go. They use the same clutches as a Magnum only with a ton more pressure. The Magnum is basically the same setup was the 86 series anyways. My Dad works on them for a living and has since that style came out. That is the only way to keep them from slipping after a few years. Maybe you dont know as much as you think.
I will promise you he has fixed more IH tractors than you have ever seen. I suppose your the same type a person that thinks the TA was a great invention or they had a great shifting transmission. I love guys like you who think they know it all and some kid like me puts them in their place. Have a nice day
 
There is a down side to raising the pressure too high. The higher the pressure the more load is on the tiny pin that holds the spool valve assembly together. If you bind the coils in the springs by setting the pressure at the maximum you will be breaking the pin. I would be willing to bet that the Tractor Vet has learned that lesson some where along the line.
 
I would be willing to bet that since my Dad figured out that they are the same setup as a 7100 series magnum about 20 some years ago and with the hundreds of PTOs from 66 and 86 series tractors that he has repaired this way with no problems to this date, I think maybe the tractor vet has a thing or two to learn.
 
(quoted from post at 09:37:18 07/07/10) I would be willing to bet that since my Dad figured out that they are the same setup as a 7100 series magnum about 20 some years ago and with the hundreds of PTOs from 66 and 86 series tractors that he has repaired this way with no problems to this date, I think maybe the tractor vet has a thing or two to learn.
Click to expand...

I'd like to get some of those pins your dad uses in the spool . They must be a lot better than the ones I've been using for the last forty years.
 
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