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Oh, i never knew you were going to build the bobtach too, very nice! You must have access to some bad ass gear to bend that plate, i want it 
Are you keeping the pivot points the same as the dealer? I found that the bushings are a little thin and when i did mine, i made the wall thickness of the bushings at least 1/8", possibly even thicker. This way they will take a lot more wear before they damage the boss. They were also out of 4140 and nitrided, so very hard surface, but soft centres.
Are you keeping the pivot points the same as the dealer? I found that the bushings are a little thin and when i did mine, i made the wall thickness of the bushings at least 1/8", possibly even thicker. This way they will take a lot more wear before they damage the boss. They were also out of 4140 and nitrided, so very hard surface, but soft centres.
Todays progress, Tazza the pivots will be at the same point as the OEM but do to the dual cylinders the bob-tach is more like the larger machines or S100s. I'm using the OEM bushing as well I don't for see wearing them out in my life time.Oh, i never knew you were going to build the bobtach too, very nice! You must have access to some bad ass gear to bend that plate, i want it
Are you keeping the pivot points the same as the dealer? I found that the bushings are a little thin and when i did mine, i made the wall thickness of the bushings at least 1/8", possibly even thicker. This way they will take a lot more wear before they damage the boss. They were also out of 4140 and nitrided, so very hard surface, but soft centres.
7LBSSMALLIE
Well-known member
- Joined
- Feb 2, 2012
- Messages
- 1,294
why? parts are reasonable. i suppose if i could i would.but if you get it out o whack youre buying booom arms. and tilt rods, just the same i am impressed loooks good, make 200 of them .
Get it out of wack???
Nice fab work there, looks good. Hey what ever happened to that dump trailer you teased us with a while back?
Oh and your other posts on this rebuild are very nice also. Wish I had a large shop ......to fill with tools........hehehehe.....oh and hide from wife and kids
I put it a side to work on my truck, (11 months) and with the 60-70* weather its giving me a jump start on finishing this bobcat.Off subject and not skidsteer This is my last project.http://www.youtube.com/watch?v=StJzGum4qsE&feature=channel
Holy crap! I'd never even touch a job like that.
Yep, you have a tool shop that i really want. Goad you have found the time to fit jobs like this in. Just how many hours did you put into it? I sure adds up quickly. I know when i rebuilt my 743, i spent countless hours at the lathe machining new pins and bushings, but the end result was totally worth the time.
Any one can have the tools, you my friend know how to use em' wow....
Looking good! Sure makes a difference when things start going into place.
one more
I like the way you lined up the ram pin bosses. This is how i'm going to line bore my lift arms, they are worn and need bushings installing, naturally they are not made like this from factory.
At this time it was to locate the inboard plates for welding, as soon as the plates are welded I will then put in the pivot pin bushings.So until the welding on the tube and plates is done I float the weld in bushings until last.I was going to do the pivot pins the same way but decided to use the same stock ( 2.25X.375 wall ) bore each end and part half way through it, weld it in then cut it at the parting line with the saws all.
First off, man, your doing a wonderfull job. Many DIY projects are of questionable quality sometimes, but that things looks like something anyone would be proud to have on thier machine.
Second, I am curios what manner of tooling you used to bore the holes. I am doing similar projects and presently I use a mag drill with carbide annular cutters, though I am looking at switching out to a boring bar in a mill type setup. I am curious what equipment you use.
6brnorma
Well-known member
- Joined
- Jul 13, 2011
- Messages
- 882
Wow.......I know a couple of people that do this kind of work, but I ain't it. Wish I was! That engine was unbelievable.......thanks renopker.
Thanks, The parts were all drawn in a cad cam program and cut out on a plasma so the holes were cut out at the same time. Drilling the holes with a mag drill works fine just remember to make the holes bigger to allow for welding warping and movement. That allows for floating the part (bushing).
