Forum › Forums › Tractor Operation And Maintenance › Clutch roll/tension pin replacement
- This topic has 3 replies, 4 voices, and was last updated 2 years ago by DemocracyNow.
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October 14, 2022 at 2:47 pm #49960
Greetings,
Just got done removing the roll/tension pin or roll/tension pin’s Oh how fun that was thank GOD I had some training in screw removal LOL! OK here is the question I searched in the parts diagrams it shows two pins 8×32 and 5×32 I got both. So does the 5×32 go inside the 8×32 and then put in the clutch assembly? I hope no one else has a fun time replacing this little pin cause believe me if I would have had a stick of dynamite…. Anyway thanks in advance for any and all advice..
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October 14, 2022 at 6:09 pm #49961
Which tractor are you working on?
Fortunately I have never had to do this, but have looked at it on the Jinma 284 and it looks like it is pretty hard to get a straight shot at with a punch. Perhaps removing the floorboard would help. I think installation would be a little easier if you do it from the top which is roughly the 2 o’clock position.
It is my understanding that you install the larger pin first, then put the smaller one inside the larger one. This adds tension to hold it in place and adds shear strength.
Perhaps start the large pin until it gets about half way through. Then put some locking pliers on it to keep it from going any deeper and then start the small pin into the large pin. It will be easier if it is no t constrained by the hole. Once started remove the pliers and tap then both in together. You may have to hold a bucking bar on the back side so the big one does not come out before the small one is seated.
I have also wondered about putting a high strength bolt in that location rather than the roll pin but have not thought all the way through the consequences of doing it that way.
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October 15, 2022 at 7:42 am #49962
I had a roll pin failure on the pto speed and engagement lever , yeah I used a bolt can not remember what size I used or that maybe I drilled it out some , do not know that issue has been trouble free for years. for that I would think grade 5 should be good enough.
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October 31, 2022 at 7:56 pm #49969
I modified the access area around that location of that clutch roll pin. After replacing it twice in 1400 hours I did not want a 5 hour ordeal the third time.
Here is my modification.
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