I have a thumb on my kubota Kx61-2 . The bucket pin is bent about .016" making it hard to switch buckets.The pin was replaced last winter using 4140 alloy.Have checked manual and can not find info on pressure relief for the thumb "service port". When using the ex digging bucket does not over power the thumb. I have it in my shop now and want to correct problem any help would be great. Thanks.
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