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Thread: D2 going in the shop

  1. #71
    Join Date
    Apr 2007
    Location
    Elkhorn, WI
    Posts
    3,868

    Thumbs up Yes Neil

    I believe heating/cooling shrinking that Bushing the same way would work!

  2. #72
    Join Date
    Jun 2012
    Location
    Poway, CA
    Posts
    1,871

    Default

    Quote Originally Posted by d2gary View Post
    I got set up with a little table to try to weld up my rails. Just some stuff from the treasures pile, so nothing special and will go back in the treasure pile when done. The shop hoist seems to handle the tracks ok so far. After talking to a couple of welder type guys and a friend with experience welding tracks I'm going to use the 70 series wire which equals to 7018 stick rod. This is basically a working hobby machine so I'm confident that this will out last me.

    Attachment 84128Attachment 84129Attachment 84130Attachment 84131
    d2gary,

    My article on how they did the link welding "back in the day" is available in the Members Site in the electronic copy of Issue 148. It may be too late for you but it is there for anyone wanting to look. Your mailed copies are on their way in the
    mail and should be arriving soon!

    The follow-on article for roller build up will be in the Jan/Feb/Mar 2020 Issue 149 which we hope will reach everyone by mid-March.

    JanM

  3. #73
    Join Date
    Feb 2016
    Location
    southern NSW Australia
    Posts
    114

    Default

    Quote Originally Posted by Neil View Post
    Would that method work on the D2 track frame to pivot shaft bushings?
    I Have not had any experience with the pivot shaft bushings Neil so I cant be sure about them.
    All I know is that when I used this method on the roller caps the inside diameter of the cap returns to its original size. the bronze bush is the only thing that changes.
    I think the Roller caps are Cast steel not Cast Iron, So I think it would be a similar exercise on the pivot Deal.

  4. #74
    Join Date
    Mar 2015
    Location
    north idaho
    Posts
    760

    Default

    I did read the old caterpillar directions on welding the rails and did deviate from their directions a little. The recommended way was a perimeter weld and then across the rail to fill in. After advice from a friend that has welded tracks and my welder friend I welded the perimeter then welded length ways to fill in. I had 3 to 6 rails going at a time and would do 2 welds and move to the next rail. This keeps the heat down and everything stays warm so I'm confident this will work fine. After trying both methods the length ways seems to give a smoother finish
    This is my 59th link
    20191206_173101-3024x2268.jpg

    I'm going to start trying to get the bushing out of the caps with the heat and cool method. I still have to clean the caps so the bushing can be measured. I think a couple might be within spec. Seems like the rollers with good seals dont have that much wear, imagine that!
    Got a track frame on the welding table.
    20191206_185421-3024x2268.jpg

    Glad to have the track welding behind me

    20191206_190041-3024x2268.jpg
    Last edited by d2gary; 12-10-2019 at 09:24 AM.

  5. #75
    Join Date
    Mar 2015
    Location
    north idaho
    Posts
    760

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    First parts going back together instead of coming apart. Throw out bearings removed and reinstalled
    20191209_145944-2268x3024.jpg20191209_181739-3024x2268.jpg[ATTACH=CONFIG]84258[/ATTACH ]

    Good news is the 7B9968 seal is in fact a direct replacement for the d2 lower roller bellows seal
    Attached Images Attached Images

  6. #76
    Join Date
    Nov 2006
    Location
    Pittsford NY
    Posts
    4,910

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    Looks really good Gary, you're going to love that new steering!
    Cheers,
    Neil.

  7. #77
    Join Date
    Mar 2015
    Location
    north idaho
    Posts
    760

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    Quote Originally Posted by Neil View Post
    Looks really good Gary, you're going to love that new steering!
    Already liking the new steering, seems ashame to cover them up

    20191211_172416-3024x2268.jpg

  8. #78
    Join Date
    Mar 2015
    Location
    north idaho
    Posts
    760

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    Almost done with one track frame. I was able to salvage all of the holes for bolting the rollers and the sheet metal. I cut the frame where the front idler runs back and forth and replace the section with the wear. Still have a few holes to weld up and spring mounts to put on. I cut the old spring mounts off my other frames but they're to wore out to use for anything except a pattern.


    20191212_114041-3024x2268.jpg20191212_115104-2-3024x2268.jpg20191214_100408-3024x2268.jpg20191212_175046-3024x2268.jpg20191212_174905-3024x2268.jpg

  9. #79
    Join Date
    Mar 2015
    Location
    north idaho
    Posts
    760

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    I had 6 arms for the idler to choose from, so I picked the best and welded them up.

    20191212_175310-3024x2268.jpg20191212_181457-3024x2268.jpg

    One actually didn't need any welding

  10. #80
    Join Date
    Nov 2006
    Location
    Pittsford NY
    Posts
    4,910

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    I'm glad you posted those Gary because I wouldn't have thought to have checked that wear. Interested in coming out for a week to do mine? : )
    Cheers,
    Neil.

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