Tue May 07, 2013 7:18 pm
We purchased some used colters for our used plow. We had two bolts seized into the the swivel housing. Heat, Oil, Kano Kroil - let it set for a couple of days tried it again, still nothing. I tried something new I wanted to share.
We heated the casting and while contiuing to heat the casting I used the impact wrench (1/2" Drive Craftsman Professinal) to keep vibrating it. Slowly the hardened rust from inside the casting start started to fall-out. It slowly started to turn a 16th of a turn and then more and more. After about 3-4 minutes, it was spinning freely and just fell out of the casting.
You may have tried this but it was my first time - wanted to share.
The colter is now, free, never seized and reassembled.
Thu May 09, 2013 11:07 pm
The combo of all the soaking /heating and impact vibe , will do wonderous things for knocking rusted parts loose!!! thanks; for sharing the idea!!---plowing looks good! thanks; sonny
Fri May 10, 2013 5:53 pm
I have used that method in the past. One thing to remember though, if you do more then a couple ( depending on how much heat is used ) you will be needing a new socket. Usually they just crack, but I've seen them break apart also. So be careful.
Fri May 10, 2013 9:35 pm
Thanks for that head's up. In this case the casting was large, the socket never got hot enough so it could not be touched. Craftsman, would do a double take and give me a new one
I'm glad to know others have used that....We've got another colter to rebuild so, we'll get a chance to try it again.
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