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John Deere 336 knotter help

D

Dan Davidson

Member
Hi guys. Probably not the right venue for knotter issues but I need some advice. What is going on here? Misses a bale every 20 to 40 bales. Always the inside knotter. Went from 9000 plastic to 7200 plastic. No real improvement. The loop is on the end of the string from the back of the bale. Little puzzled and damn tired of climbing out of the tractor when the thrower won't reset with a broken bale. Help is appreciated.
a127826.jpg
 
If the end with no knot is from the needle twine, it is a classic tucker finger miss. Adjust per the OM.

The twine around the bale is called the bale twine and if no knot in it, it is a twine disk pullout. Again a simple OM adjustment.

This picture is shown in the OM.
 
manual says twine is pulling out of the twine holder disk. Increase tension on the disk spring. Also, get yourself a manual. They are really a must. There are about 30 adjustments on a square baler and every one is important.
 
I will second or third the twine disk not holding the twine. Before you tighten it down look in the twine disk and see if there is old dry grease in it. I have had two different ones this last year that just had rock hard grease keeping the arm from gripping the twine in the twine disk. If it is clean then just adjust it a little tighter and see if you can pull the twine out of it by hand.

Matter of fact try to pull it out before you do anything. If it pulls out easy you can compare it to the working knotter and make it match.
 
That looks like a broken string... I'd wager it's a twine tension issue or twine finger issue.

Rod
 
Like Roger sez. If it's the needle thread, (front of the bale, as it comes out,) it is most likely a poorly positioned needle, or a twine finger (tucker) adjustment. ON my NH, mechanic tells me it should be parallel with bale chamber at rest, full 90 degrees when activated. Rod that activates my twine fingers had gotten bent, keeping right knotter form properly drawing needle thread into the crotch in the wiper arm. Don't know if your problem would change if you use sisal twine.
 
So to clarify. Looking at the picture if I were standing between the twine box and knotters the knotted end is towards the back of the bale. I"ve tied a few by hand today. Twine discs look clean and I tightened like a half turn yesterday. Maybe not enough? Then I tried thicker 7200 twine. The adjustment is to that leaf spring tensioner correct?? Could it be anything with my twine cutting? Like a dull blade? They feel darn sharp.
 
Forget my earlier post!!! Roger has it correct. If the missed knot is on the front then it is more than likely a tucker finder out of adjustment.
 
Looking at a manual for a 327. Figure A and G are my culprits. I just want to be sure again. As I stand between the twine box and the bale chute looking at the bale.. The twine with the knot is the longer one coming from my left or the back of the baler. Twine disc or tucker finger??
 
First check the tension on the bill hook. It can be adjusted and sometimes just needs to be tightened a little.
Be sure your tucker finger has a good strong spring or it will be a little slow and cause problems.

Go slow on any adjusting as your problem is likely to be very minor. LOL
 
See my earlier post, but in addition, if you are baling springy material (grass) it could be that the 336 does not have plungerhead extensions E49409 four of them(they bolt on). They are standard on later balers.

Also, check the hay dog(s) on that side. Might be a spring broke or something binding/bent.
 

I agree with Roger concerning PH extensions. Also many broken hay dog springs have been overlooked. 336 need all the help they can get in the hay dog department because 336 only have 3 hay dogs while it's larger brother has six(twice as many)
 

Years ago before 'puters when I had 336, I had to call the independent repair guy, for a knotter problem. He came and adjusted the tucker fingers and told me,"Those JDs are easy! It's the tucker fingers."
 
Thought I should get back to all who helped. Thanks to everyone. Was indeed the tucker fingers..were not 90 degrees. replaced one of the rods that controls it. It was stripped bad and affected the throw on the tucker fingers. I have indeed learned a lot. Thanks guys.
 
(quoted from post at 13:30:54 09/08/13) Thought I should get back to all who helped. Thanks to everyone. Was indeed the tucker fingers..were not 90 degrees. replaced one of the rods that controls it. It was stripped bad and affected the throw on the tucker fingers. I have indeed learned a lot. Thanks guys.
Click to expand...

Thanks for posting back.
 
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