Series 3 flexhead question

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   Working on adapting a 313 flexhead to a K2.  Got the head mounted and good to go with that side of things.  

My question is, what voltage is seen at the header height 3 spring system on the head?

I think my plan is to build a system from the ground up for it, utilizing what is currently on the head.  So, I want to verify what voltage the head itself is made for.  I am not going to make it for low, medium and high.  Probably just the medium setting.

So I’m not going to use a header height module from a different combine, which is why I don’t know if they run a lower voltage through the header side of things.

Any thoughts would be appreciated.

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67-d10 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 19 Nov 2022 Location: NESD Points: 42	Post Options Post Reply Quote 67-d10 Report Post Thanks(0) Quote Reply Topic: Series 3 flexhead question Posted: 4 hours 47 minutes ago at 12:41pm
	Working on adapting a 313 flexhead to a K2. Got the head mounted and good to go with that side of things. My question is, what voltage is seen at the header height 3 spring system on the head? I think my plan is to build a system from the ground up for it, utilizing what is currently on the head. So, I want to verify what voltage the head itself is made for. I am not going to make it for low, medium and high. Probably just the medium setting. So I’m not going to use a header height module from a different combine, which is why I don’t know if they run a lower voltage through the header side of things. Any thoughts would be appreciated.

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DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 22324	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 2 hours 8 minutes ago at 3:20pm
	I've never measured the voltage at the three springs, but was always told is is less than 12 volts to eliminate any spark and the springs and the brass bars last far longer as a lesser voltage.

67-d10 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 19 Nov 2022 Location: NESD Points: 42	Post Options Post Reply Quote 67-d10 Report Post Thanks(0) Quote Reply Posted: 1 hour 23 minutes ago at 4:05pm
	That’s what I was suspecting. I figured it would be a long shot for anyone to know, but it’s free to ask as well. I can run a lower voltage to operate the relay, just was trying to verify before I screw up parts on the head, or start a field on fire!

tbran Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 14 Sep 2009 Location: Paris Tn Points: 3549	Post Options Post Reply Quote tbran Report Post Thanks(0) Quote Reply Posted: 12 minutes ago at 5:16pm
	The low med high is no issue - just a swtich. If you make one work you can make them all work with a simple 3 position switch. I would be interested in how you plan to build the electric over hyd system. The heavy 313 without an accumulator will necessitate tieing the final drives together as in a 4 row corn head. Also you are correct to have the auto header working - failure to use this will always result in failing the pivot shaft area - it does on the F3's long term as one will always end up with too much side torque on the header ends as one cannot react fast enough running it manually as it drags the ground.
	When told "it's not the money,it's the principle", remember, it's always the money..