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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
bobtach pin boss replacement
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<blockquote data-quote="Tazza" data-source="post: 72016" data-attributes="member: 82"><p>oooooh, you have a big job ahead of you.</p><p>I used a plasma cutter and grinder to do mine. It's hard to get good access to cut what you need to. From what I can remember, I ground and plasma cut the part that the bushing goes into, I think it was welded to the bobtach, so it needed to go. I gouged out all I could with the plasma and used the grinder to ge tthe last bits.</p><p>I used a thin blade in the inner end to cut the welds, I used the plasma again to cut the welds around the boss, it doesn't matter if you cut a little more material out of here as you simply weld it back up later. The only part to ensure you don't enlarge is the end where the boss slips in from. It is profile cut to be a pretty good guide then welded in place.</p><p>When they are both out, install your bushings and slip the bosses into the bobtach, attach the bobtach to the machine, the pins will help locate the bosses in place for welding. Remove a battery cable and then do your tack welds. Ensure it moves up and down freely. Weld it SLOWLY, I got one a little hot and it warped enough to bind a little bit.</p><p>I used a stick welder as I get far better penetration with one than I do with my MIG.</p><p>I can get you pictures if needed, but you'll need to give me a day or two. If you want some, look up my profile and send me an email. I have a bobtach with the bosses cut out already with new ones made I just need to weld them in place. It will show you what was removed and an idea of how.</p></blockquote><p></p>
[QUOTE="Tazza, post: 72016, member: 82"] oooooh, you have a big job ahead of you. I used a plasma cutter and grinder to do mine. It's hard to get good access to cut what you need to. From what I can remember, I ground and plasma cut the part that the bushing goes into, I think it was welded to the bobtach, so it needed to go. I gouged out all I could with the plasma and used the grinder to ge tthe last bits. I used a thin blade in the inner end to cut the welds, I used the plasma again to cut the welds around the boss, it doesn't matter if you cut a little more material out of here as you simply weld it back up later. The only part to ensure you don't enlarge is the end where the boss slips in from. It is profile cut to be a pretty good guide then welded in place. When they are both out, install your bushings and slip the bosses into the bobtach, attach the bobtach to the machine, the pins will help locate the bosses in place for welding. Remove a battery cable and then do your tack welds. Ensure it moves up and down freely. Weld it SLOWLY, I got one a little hot and it warped enough to bind a little bit. I used a stick welder as I get far better penetration with one than I do with my MIG. I can get you pictures if needed, but you'll need to give me a day or two. If you want some, look up my profile and send me an email. I have a bobtach with the bosses cut out already with new ones made I just need to weld them in place. It will show you what was removed and an idea of how. [/QUOTE]
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bobtach pin boss replacement
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