pto slip clutch

[rickmacheske]

That's what she told me. Would make a lot of sense since it's not a convertor, just a slip clutch. They have another that is smooth on both ends.

 

[slaveToHorses]

Greg you are assuming all shear bolt set ups look like yours. There is a very crude pic of my set up with 2 splined shafts shear protected in another thread about shear bolts. rickmacheske what grade bolt do you use in your set up? mine will only work with a grade5 2s pop as soon as you engage it.

Hey Pat, are you engaging your PTO at idle?
I have run a number of rotary cutters including an 8 footer and never had one that sheared at engagement except when I had a brain fart and dropped the hammer at higher RPM. The pins have always been gr2.

I was reading this thread because I want to convert my little JD605 over to a slip clutch. The SP arrangement on the 605 is very very funky.

 

[rogdan]

mine will only work with a grade5 2s pop as soon as you engage it.

Same problem I had in recently replacing the shear bolt in my 5' Howse cutter for the first time. The grade 2 bolts shear like butter at idle engagement and I hope grade 5 won't cause other problems. I also have a slip clutch at the dealers encouragement but no adjustment directions came with it, I hope it was right out of the wrapper.

 

[Soundguy]

Don't count on the slip clutch being set, 'out of the package'. You need to find the manufacturer, and request a manual.

Do you have any way to feather engage your pto.. even though you are at idle?

Soundguy

 

[greg_g]

I also have a slip clutch at the dealers encouragement but no adjustment directions came with it, I hope it was right out of the wrapper.

Go back to the dealer (or manufacturer's website) for the owner's manual. Slip clutches typically require adjustment (possibly cleaning) twice a year. Let it go longer than that, and the friction discs fuse - leaving you with no driveline protection at all.

Your GR2 problem is typically caused by two things; bolt diamter too small, or bolt holes egged out. Or both. But I also looked up the specs on a FarmTrac 360 - does it really only have a one stage clutch? If so, that's another big part of your problem.

//greg//

 

[Soundguy]

Could it be a 1 stage clutch and then independent pto?

I seen some ind pto.. like onmahindra that are electric soleoid engaged.. and I understand the original units shifted in pretty hard.. later units had a softer engagement though.

Makes ya wonder about the farmtrac. if it is one of the ford clone models.. it may well have a clone of the ford 8x2 tranny.. with ind pto and 1 stage clutch..

Soundguy

 

[greg_g]

Yup, just got a look at a little more comprehensive specs: http://www.farmtrac.com/pdf/FT360DTC_Specs.pdf. 12x12 shuttle, single stage clutch, electric PTO switch. No wonder GR2 bolts bust. I'd say that tractor is a prime candidate for a slip clutch.

//greg//

 

[Soundguy]

I'd have to agree. I remember a discussion way back.. might have even been on a yehaa board.. about the older 3 digit mahindra with electric solenoid engaged pto's. They were bad about shock loads. You couldn't idle down enough to get them to engage smoothly.

I believe I read that later on.. there was a new version of the solenoid that actually offered some sort of 'sodt engage'.. not sure exactly what it was.. but perhaps an electric clutch or some such thing.. perhaps a wet clutch that took a couple seconds to build pressure due to an orifice or something.. and that was the soft engage.. not sure... I bought a NH at that time and stopepd looking at the mahindra..e tc.

Soundguy

 

[rogdan]

Yes the Farmtrac 360 has both manual and independant electric PTO. The manual doesn't seem to feather in even at idle but I will attempt to more precise with this the next time I have the hog on. So with the slip clutch adjusted correctly and a grade 5 shear bolt will I be OK in terms of PTO or hog damage? Maybe thats why the dealer insisted on it, the Howse manual gives slip clutch adjustment directions but I don't even know the brand of the clutch.

 

[Soundguy]

Assuming the slip clutch is set correctly.. the shear bolt will do nothing but hold the slip clutch to the implement.

Soundguy