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435 baler

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Jmsholman

07-23-2012 16:29:08




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Baler won't hold tension on the bale. Found a cylinder bypassing and repaired. Don't know if it's the adjustment knob or the pressure relief valve. Should the springs on each side have tension on them? If so, would that cause this problem?




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Tx Jim

07-29-2012 15:31:29




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 Re: 435 baler in reply to kte, 07-23-2012 16:29:08  

Jmsholman said: (quoted from post at 18:25:25 07/29/12) Where is that valve located? I'm not looking at it right now.


It's located in the photo with the pump,springs and other linkages at bottom RH of page bolted in with parts key #24.
This post was edited by Tx Jim at 15:33:17 07/29/12.

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Jmsholman

07-29-2012 16:33:26




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 Re: 435 baler in reply to Tx Jim, 07-29-2012 15:31:29  
K. I will check that and let you know. Thanks for the help again.



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Tx Jim

07-29-2012 15:17:27




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 Re: 435 baler in reply to kte, 07-23-2012 16:29:08  

Jmsholman said: (quoted from post at 17:46:02 07/29/12) The belt is the one JD says goes on it. It has had a 3+ bale in it. It screwed up more than 1.


I'll bet the hyd valve didn't shift to change the flow of oil to bring twine arms back to the home(LH side) position. I've seen hay/dirt/rust keep the spool from shifting. It's been so long since I worked on one but I think the spool needs to shift down for twine arms to be powered to the LH side.I've had to adjust rod by adjusting clevis on parts key #23 to get twine mechanism to operate properly. third party image
This post was edited by Tx Jim at 15:29:27 07/29/12 2 times.

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Jmsholman

07-29-2012 15:25:25




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 Re: 435 baler in reply to Tx Jim, 07-29-2012 15:17:27  
Where is that valve located? I'm not looking at it right now.



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Tx Jim

07-29-2012 14:34:29




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 Re: 435 baler in reply to F-I-T, 07-23-2012 16:29:08  
Did you install the correct length belt?? Have you tried pulling the rope with 3+ in the bale indicator window and pto spinning???



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Jmsholman

07-29-2012 14:46:02




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 Re: 435 baler in reply to Tx Jim, 07-29-2012 14:34:29  
The belt is the one JD says goes on it. It has had a 3+ bale in it. It screwed up more than 1.



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Tx Jim

07-29-2012 13:57:40




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 Re: 435 baler in reply to rla, 07-23-2012 16:29:08  

Jmsholman said: (quoted from post at 16:34:33 07/29/12) What would make the tie arms stop working? The pump is good.


Tying arms are totally independent of bale tension. Are all 5 springs attached(not broken) to their proper places? Exactly what are tying arms doing/not doing? 3+ must be showing in bale size indicator on RH side of baler for tying system to work when pto is engaged. You can feel free to call me if you so choose.8one7five1seven1five9zero

third party image
This post was edited by Tx Jim at 14:05:08 07/29/12 2 times.

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Jmsholman

07-29-2012 14:17:39




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 Re: 435 baler in reply to Tx Jim, 07-29-2012 13:57:40  
The bolt that holds the idler pulley came out and tore up the belt and the main drive pulley for the pump. Replaced the pulley and belt and put the idler pulley back. After all that the arms would barely move and tie the side where the knife is. Now they have moved to the other side next to the pump and won't come back to what I call the home position.



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Tx Jim

07-29-2012 10:01:35




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 Re: 435 baler in reply to BushogPapa, 07-23-2012 16:29:08  
I can't remember how to diagnose the tension valve. It could be the pressure adjusting valve,relief valve or just a blown o-ring. Both valves are expensive($250 + ea.). Maybe someone will chime in such as Roger from Ia.



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Jmsholman

07-29-2012 13:34:33




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 Re: 435 baler in reply to Tx Jim, 07-29-2012 10:01:35  
What would make the tie arms stop working? The pump is good.



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Tx Jim

07-29-2012 04:36:51




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 Re: 435 baler in reply to JDG, 07-23-2012 16:29:08  
Quoting Removed, click Modern View to see

Cannonball

It just hit me this AM that I was incorrect on my statement about the "stretching springs". The ones on 435 and later baler compress. Thanks for correcting me although I didn't realize I was wrong until this AM when I re-read my BOO-BOO



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Tx Jim

07-29-2012 04:30:24




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 Re: 435 baler in reply to JDG, 07-23-2012 16:29:08  
Quoting Removed, click Modern View to see

ALL FOUR cylinders both tension and gate have to have no internal packing's leaking for baler to operate correctly. Also the tension valve can't have any leaking o-rings. Twine tube not operating correctly is in the twine pump & valve mechanism which is totally separate.



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Jmsholman

07-29-2012 08:31:42




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 Re: 435 baler in reply to Tx Jim, 07-29-2012 04:30:24  
The problem must be in the tension valve. The cylinders are good. They have been checked and 1 of them repaired. The tension valve has been taken apart to check for bad o-rings. I guess it is the pressure regulator or the adjustment valve where you adjust the pressure. How would I tell which one?



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Tx Jim

07-25-2012 04:32:05




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 Re: 435 baler in reply to Bill Bowman, 07-23-2012 16:29:08  
Quoting Removed, click Modern View to see

Yes. Basically very similar to the later models such as 467/468 balers.

third party image



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Tx Jim

07-24-2012 11:45:46




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 Re: 435 baler in reply to gtx1967jewison, 07-23-2012 16:29:08  
I still think you need to bale a bale with baler hoses disconnected from tractor. Some of the newer model JD tractors need the premium SCV with a check valve to keep cylinders from leaking off. It appears your tractor SCV has check valves in SCV(parts key# 7 RE222161 Kit 2 LOAD CHECK) but they could be leaking. third party image
This post was edited by Tx Jim at 12:07:32 07/24/12.

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Jmsholman

07-28-2012 20:10:23




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 Re: 435 baler in reply to Tx Jim, 07-24-2012 11:45:46  
Ok. It's not the tractor. Disconnected the hoses and nothing changed. Now it won't tie. The arms will move and stick on one side or the other. Did notice the tail gate bleeding down too.



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Jmsholman

07-24-2012 14:08:35




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 Re: 435 baler in reply to Tx Jim, 07-24-2012 11:45:46  
Ok. I will try disconnecting the hoses and let you know. I appreciate the info.



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Tx Jim

07-24-2012 09:34:16




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 Re: 435 baler in reply to tomstractorsandtoys1, 07-23-2012 16:29:08  
Roger in Iowa

I forgot to add if hoses are unhooked from tractor one needs to be sure the balls in the male coupler tips seat well(no leakage).



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Tx Jim

07-24-2012 04:02:18




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 Re: 435 baler in reply to Cliff Nelson, 07-23-2012 16:29:08  
Big tension springs should be stretched at 5-6 ft bale diam. Pressure gauge should rise after core is formed to the set psi it's set at. Did you check both tension cylinders for internal bypassing? The tension valve or tractor scv could be leaking.Try making a bale with both hoses disconnected from tractor and see if bale is tighter. What model/brand tractor are you using to tow baler??



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cannonball

07-25-2012 04:01:09




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 Re: 435 baler in reply to Tx Jim, 07-24-2012 04:02:18  
Jim Don't the 435 have compression springs and not big ones



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Jmsholman

07-24-2012 10:00:23




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 Re: 435 baler in reply to Tx Jim, 07-24-2012 04:02:18  
Pulling the baler with a JD 5325. Has about 1000 hrs on it I think. The cylinders are good. One of them was bypassing but I fixed it. Its not bypassing anymore.



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Jmsholman

07-23-2012 19:38:43




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 Re: 435 baler in reply to Jmsholman, 07-23-2012 16:29:08  
The pressure gauge doesn't say anything. It only goes up when I pull the hydraulic lever but it goes back down as soon as I let off.



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Roger in Iowa

07-24-2012 05:32:09




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 Re: 435 baler in reply to Jmsholman, 07-23-2012 19:38:43  
Then do as Jim says, disconnect the hoses from the tractor after you close the gate. Make a bale and watch the gauge. If pressure builds, then the problem is the tractor is leaking. If not, then a cylinder or valve is leaking.



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Roger in Iowa

07-23-2012 17:03:13




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 Re: 435 baler in reply to Jmsholman, 07-23-2012 16:29:08  
What is the pressure gauge saying. Should be right up to the red line for maximum density.



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