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East Central Iowa | Here's what I would do. Loosen the track adjuster valve to let the grease out so the idler can compress. You will probably have to force it in with the machine or use a very large come-a-long and it will compress as you pull the track chain back together. Swing the machine to make as much room as you can over the area your going to work on reinstalling the pin. Remove the track pads one or two on each side of the link that's separated. Next make sure the link pin bores are not messed up. They need to be in really good shape or this will happen again. If the links are good, get a new standard pin and the washers/seals on each side that go inside the links once installed. Now, either have the dealer come out at this point and press the new pin in OR heat and beat the pin in yourself.
If you discover that the link bores are bad and won't hold a new pin you have one of 2 options. Get another master link and install that into the chain (which is okay to do) OR if your chains are stretched to the max, remove a link and use that pin to reconnect .
If you decide to add another master link, you have to remove another pin to install the master, then install the new master pin to make the final connection of the chain. However, the kobelco master pins aren't a very tight press fit. Most the time you can tap them in. They have a retainer to hold them once installed, unlike the rest of the pins.
The master pin itself cannot be used in a standard link. However, if you do install it in a standard link you can get it back together faster/easier and up on good ground where you can take it back apart and work on it better. :)
Your local dealer will have no problem with any of this repair. I have walked onto jobsites with this very same situation. What I wrote above is a pretty general overview of what I would do, except I have a pin press, crane & torch. So the options are wide open. This might be tough without decent tools. A torch and sledge hammer will be a must if you want to get anything accomplished without a press.
Hope this helps shed some light on the situation. | |
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Broke a track pin on my excavator. Now what?
