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  1. Al Smith

    Another tale from the junk yard

    Further elaborating many designs have been used through the years for steering .The Oliver uses a planetary differential .Meaning as you brake one side the gear train slows which speeds up the other side making one track turn faster than the other .It keeps the power on both tracks but cannot...
  2. Al Smith

    Another tale from the junk yard

    The old timers used to say you run a dozer by the seat of your pants .If your ass goes up the blade goes down .That and you watch the side of the blade .One hand on the hydraulic controls and the other on the steering handles .
  3. Al Smith

    Another tale from the junk yard

    You pull the old ones out .This only had two and they were smashed thin .I'd imagine they started out about 3/8 thick and wore down after many years in service to less than 1/4" I couldn't screw the grand packer in any farther . That "rope" by the way is graphite impregnated material commonly...
  4. Al Smith

    Another tale from the junk yard

    I wish the monsoons would stop so I can lay down the stone pad for the shipping container .Too damned wet,you can't grade mud .If the rains keep up the farmers will have to plant rice .
  5. Al Smith

    Another tale from the junk yard

    It's just trivia stuff I picked up from turning wrenches since I was young .I've got tricks my dad taught from real "old school " stuff done in the late 30's .Very few people have ever heard of them but not too many work on stuff that's 50-70 years old .I had an old guy that was 80 years old...
  6. Al Smith

    Another tale from the junk yard

    This is about old hydraulic cylinders .The older style were made to be rebuilt forever it's just very few do it .They are 3000 PSI rated but built differently than a modern cylinder .The shaft seals for example were made originally with preformed rope seals but standard valve packing will work...
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