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D11 N Problems

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16 years 10 months ago #12602 by edb
Replied by edb on topic Dry Joints
Hi A&S,
thanks for the update on your run off problem and the video you posted.
WE can HEAR the DRY Joints in each Track Protesting when under load, and could see the run off arc in one of the shots.
High drive only became feasable with the advent of the SALT (Sealed And Lubricated Track) system due to the extra high joint loadings, and hence wear rates, of this system. So when sealing fails and lube is lost destruction of the joint (pin & bush) is unmercifully quick.
A cheap infra red temp sensing gun is a quick way of checking the joint temperatures when ever the unit stops for lunch, smoko, service time, etc.
You can use a hand also but if you find a failed joint expect a burned hand from it!!!!! BE Careful. Use the back of your fingers near the end of each pin and feel for the heat before touching skin to metal.
Hope this helps.
Cheers,
Eddie B.

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16 years 10 months ago #12688 by TimT
Replied by TimT on topic D11 N Problems
Love to see some pics of the big tracked 11!! I realy enjoy the unusual stuff!!

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16 years 10 months ago #12690 by Rowdy
Replied by Rowdy on topic D11 N Problems
I would be careful with up-sizing the track pads if you plan on using the machine to push in shot rock. We run several of the Carry dozers where I work and have cut the track width back to 28" on all of them to help extend track chain life. We ran some of the 32" pads and had a world of trouble with failed joints. When we cut back to the smaller shoes it cut the problem by over half. As Far as purchasing a Carrydozer I wouldn't spend the extra money for the straight blade. If you do your homework the conventional tractor has the same horsepower and power train and you can order the conventional tractor with whichever size track you want. The other plus is the conventional tractor has less sensors to go bad the 2 that are in the blade lift cylinders run about $4000 each and they do give trouble.

Just some food for thought

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