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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Track pin installatin and removal??

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JD dozer mike

12-05-2003 14:51:42




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OK guys what are some tricks to puting in and taking out track pins? So far all we do is beat them in and out with a slege hammer and an old axle or something. THERE HAS TO BE A BETTER WAY!!!!




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Roy Suomi

12-10-2003 21:18:53




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 Re: Track pin installatin and removal?? in reply to JD dozer mike, 12-05-2003 14:51:42  
Howdy.. I built a portable master pin press with 2 - 1" all thread rods , 3 - 1" steel plates and a 50 ton porta-power.. used it 3 times.. worked "tits"!!. back plate has 2 holes in it for all thread.. centerplate has a hole in it in addition to 2 outer holes for all thread. Center hole is sized to a pin that pushes against master pin.. and finally last plate has a larger hole in it for 2 different size master pins.. Its heavy , I have to use my boom on service truck.. It also worked on the king pins on my F-600 service truck

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ED

12-08-2003 14:59:00




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 Re: Track pin installatin and removal?? in reply to JD dozer mike, 12-05-2003 14:51:42  
If this is on a 420 it isn't even a pressed in pin it should come out fairly easy little heat and bingo. On small machines i don't spent much time trying to get one pins out i just burn them out and by new at $50. an hour how much time can i spend on them and if for a customer well it would be fair to spend 3 hours on $20-$50 worth of new pins



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case poor in pa

12-06-2003 17:21:40




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 Re: Track pin installatin and removal?? in reply to JD dozer mike, 12-05-2003 14:51:42  
take em to crawler heaven.. ed will do it fer ya



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Deas Plant.

12-05-2003 17:48:34




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 Re: Track pin installatin and removal?? in reply to JD dozer mike, 12-05-2003 14:51:42  
Hi, JD Dozer Mike. A 'little' heat, liberally applied to the bosses surrounding the pin, inside and out will often work wonders. It helps if there are two of you with two oxy-acetylene sets heating inside and out AT THE SAME TIME as there is less heat transferred to the pin this way. Then you want a 22 stone fitness fanatic who is an A-grade golfer and knows what a 28 pound is good for to do the hard bit while some brave soul holds the 'T'-handled drift. I have always positioned the master pin low down at the back around the sprocket as I've found that to be the place with least 'give' when you are (attempting) driving the pin out. On the way back in, it helps to have the tractor parked outside the back of the house within easy running distance of the family freezer. Park the pin in the freezer overnight - ALL night - prior to re-connecting the track. Get everything lined up and ready to connect. Heat the pin bosses and, when they are getting close to red hot, bring the pin out from the freezer and 'throw' it in the hole. (Again, two heating torches are a BIG help.) Have the cook standing by with beer. I'll have a coffee since I don't drink. Hope this helps. You have a wonderful day. Best wishes. Deas Plant.

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JD dozer mike

12-05-2003 19:37:54




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 Re: Re: Track pin installatin and removal?? in reply to Deas Plant., 12-05-2003 17:48:34  
Coffee is good with me...so is beer:) The only thing i wonder about putting all that heat to the link is ..will it take the temper out? the tracks i just replace came off of a dozer that burnt they were at least 65% more like 75% , but they were streching more than normal and had links cracking. So i am weary to heat them so much



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Deas Plant.

12-06-2003 21:47:17




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 Re: Re: Re: Track pin installatin and removal?? in reply to JD dozer mike, 12-05-2003 19:37:54  
Hi, JDMike. It sounds as if you may have either some 'cheap'(????? ??) tracks there or a set of SALT - Sealed And Lubricated Track - chains. If they are stretching more than normal AND cracking, I don't think I'd be too worried about the effects of heating the pin bosses. They're probably pretty worthless by now anyway. You may even find that it improves the heated links. If you have SALT track chains there, these chains have oil sealed into each pin-bush and wear MUCH slower than older style track chains -- until the wear gets to the point where the seals let the oil escape -- whereafter which they wear quicker than older style chains because the actual metal in the pins and bushes is softer. I have a set on a Cat 953B that I run and I have adjusted the tracks THREE times in TWO YEARS. It works 5 1/2 days a week, 9 1/2 hours a day, 50 weeks a year. The SALT tracks I have seen always had a bolt-up master link in them because the links are sealed in the factory and can't be disturbed without letting the oil out and ruining the seals. Look for a link that has no holes through it and a serrated joint line running diagonally from the plate face to the running rail. If there is one of these links, you have bolt-up master links. Simply undo and remove the track plate bolts - carefully, so as not to drop anything heavy on your foot or whatever else you migh choose to get in the way - and your track chain should fall apart. The "stretching more than normal" bit and the "dozer that burnt" indicated to me the possibility that you might have SALT track chians there and that the fire would have 'cooked' the seals. For the same reason, you can't rebuild grousers on SALT track chains with the plates still on the chains or you will 'cook' the seals. Hope this helps. You have a wonderful day. Best wishes. Deas Plant.

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HEY DEAS PLANT

12-07-2003 11:16:12




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 Re: Re: Re: Re: Track pin installatin and removal? in reply to Deas Plant., 12-06-2003 21:47:17  
I took off the old cracked and streched tracks. JUst put on new ones, stock 350 standard, no fancy stuff.



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Deas Plant.

12-08-2003 01:12:28




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 Re: Re: Re: Re: Re: Track pin installatin and remo in reply to HEY DEAS PLANT, 12-07-2003 11:16:12  
Hi, Hey Deas Plant. Good stuff. Hope you get a good run out of them. You have a wonderful day. Best wishes. Deas Plant.



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JimInOz

12-05-2003 17:06:53




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 Re: Track pin installatin and removal?? in reply to JD dozer mike, 12-05-2003 14:51:42  
A good hammer,'T'type hit bar,& muscle power are still the cheapest.I've seen good results with lotsa heat in the right places...followed by water to shock it all loose. It may be tough going,but think of all the fun you have inventing new swear-words,plus the satisfaction of getting that !*!^*? pin out!



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Lavoy

12-05-2003 16:21:35




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 Re: Track pin installatin and removal?? in reply to JD dozer mike, 12-05-2003 14:51:42  
A master pin press is the easiest, but definitely not the cheapest. Lavoy



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HEY LAVOY!

12-05-2003 19:26:42




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 Re: Re: Track pin installatin and removal?? in reply to Lavoy, 12-05-2003 16:21:35  
HEY LAVOY do you have a picture of one of those pin presses?



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Lavoy

12-05-2003 19:55:58




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 Re: Re: Re: Track pin installatin and removal?? in reply to HEY LAVOY!, 12-05-2003 19:26:42  
No, I don't think I do. You should be able to see one on the WTC Machinery website. They sell a modern one, but they are really spendy. A guy said he was going to give me one, but I don't think I will ever get it. It was an older style, which you could probably make out of a porta-power unit if that would give you enough push. They just use a pair of threaded rods that go through the link and hold a receiver of sorts, and then it has a pin on the ram that pushes against the track pin. Lavoy

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JD dozer mike

12-05-2003 19:41:07




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 Re: Re: Re: Track pin installatin and removal?? in reply to HEY LAVOY!, 12-05-2003 19:26:42  



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