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Welded 5th gear nut on!! PICS!

Old Apr 2, 2007 | 12:25 PM
  #16  
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I thought so. Mine was clear. I'm sure someone will have some advise. I'm new to manuals so I don't know what to tell you. Pete
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Old Apr 2, 2007 | 12:37 PM
  #17  
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maybe they rebuilt it with new syncro's that can use that type of oil? Well, it's under warrenty for awhile, and i'm planning on puting $600 or so into a rebuild when this goes out...
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Old Apr 2, 2007 | 03:17 PM
  #18  
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I would be interested knowing what you used to weld with. Was it stick or wire? And then after knowing that I would have another question.
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Old Apr 2, 2007 | 03:22 PM
  #19  
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Used my Millermattic 175
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Old Apr 2, 2007 | 03:28 PM
  #20  
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But that does not tell me what kind of weldment you used. Can you tell me the strength of the fill? And did you use stick or wire? The machine has no bearing on the product left behind. For instance a stick could be 7018 or 6011. This can be very important for you to know.
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Old Apr 2, 2007 | 03:30 PM
  #21  
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it's a mig welder so it uses wire. I used Harris ER 70S-6 .030 wire
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Old Apr 2, 2007 | 03:55 PM
  #22  
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Well if it just bear wire and a c02 gas then it will likely crack. Unfortunately I am not up to speed on all of the wire codes, if the wire had a flux on it that would be good to know.
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Old Apr 2, 2007 | 04:24 PM
  #23  
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is it hard to get the rear housing off? I need to change the shaft seal in mine and have been putting it off because I don't know how hard it will be to get the rear housing off
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Old Apr 2, 2007 | 04:29 PM
  #24  
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It's solid mig wire, not flux, and I use C25 gas. I welded a thumb for my excavator and that puts so much pressure on it that it's not even funny, and the welds hold up fine from the mm175. c02 isn't much fun to weld with, niether is flux wire that why I use C25, much cleaner and better control.
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Old Apr 2, 2007 | 04:33 PM
  #25  
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Originally Posted by ratat98
is it hard to get the rear housing off? I need to change the shaft seal in mine and have been putting it off because I don't know how hard it will be to get the rear housing off
no it's a piece of cake, just make sure u use a 12 point 10mm socket and it will go really fast. I had to use a hand wrench so it was slow, but u just take the bolts out, and I tapped the thing loose with a rubber malet because the alignment dowels hold it in alittle, but it comes right off. Then just clean the mating surfaces and put some new RTV gasket maker on and ur done.
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Old Apr 2, 2007 | 04:44 PM
  #26  
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Originally Posted by Box5
It's solid mig wire, not flux, and I use C25 gas. I welded a thumb for my excavator and that puts so much pressure on it that it's not even funny, and the welds hold up fine from the mm175. c02 isn't much fun to weld with, niether is flux wire that why I use C25, much cleaner and better control.
The c25 will make a difference. But c25 and bear wire are more for a static load than a dynamic load. Especially when welding high carbon or alloyed metals. With the vibration, torque, and the oil that is in the shaft it would fair better with a low hydrogen flux. So something like a 7018 stick would be my preference. That is 7018 that has come out of a new box or has been stored in a rod oven.
I don't want to be Mr. negative and say this is not going to work, but bear wire has it's limits. If I am proven wrong that would be good for team.
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Old Apr 2, 2007 | 04:47 PM
  #27  
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Oh and we could go into a long debate over c02, flux core, and controllability. But not over the internet it would absolutely have to over the table with tall glasses in front of us.
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Old Apr 2, 2007 | 04:49 PM
  #28  
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I understand, but as long as the metal was thoroughly cleaned and dried, the weld and nut shouldn't move, if the nut wasn't pushed over the threads already, it's not gonna push past these welds.
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Old Apr 2, 2007 | 04:50 PM
  #29  
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Why go through the hassle of welding the nut on? Were the threads bad? The new nut with the set screws will definitely hold, but the torque specs are super tight.Something like 450 lb/ft. Good luck. Hope it works out for ya. Sure beats that automatic in my opinion. Get yourself a good heavy duty clutch and you should be good to go.
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Old Apr 2, 2007 | 04:53 PM
  #30  
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Flux is a pain to weld with and i'll never use it again unless i'm welding outside and it's really windy, lol. c02 leaves alot more slag around the weld, all I know is that C25 was like night and day, you can see the bead better, which makes it easier to make the right bead for the situation, and I can control the heat better when I can see the puddle. So it's just my opinion but i'll stick with C25.
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