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Recent content by Jonas302

  1. J

    Broken rear axle Mack dump truck

    If you can lock the power divider and see what spins usually shorts out pretty quick what area is broke I usually have to pull both to knock the stubs out thank goodness we don't need as many as Jumbo did
  2. J

    AIM hydraulic quick coupler too wide for thumb - how to shave 10mm off the inside of the thumb ears

    I'm guessing the coupler side would be easiest to put on a mill if you can find a machinist If it needs to be quick and dirty a cutting wheel on a 6 inch grinder and try your best 3m disks are the best spendy but well worth it...
  3. J

    DIESEL IN COOLANT C7 CATERPILLAR " I have a BEEF "

    I think a sit down with the service manager would be in order I have never had injectors done without there being a discussion on cost and pros and cons of replacing the cups yes it adds cost but it should have been an informed decision Water pump failure may or may not be related to fuel in...
  4. J

    Replacement bushings have the wrong groove pattern for grease to flow

    Should work nice that way Just as a note when I replaced bushings on 320 cat also a center greasing cavity the bushings are just dimpled no groves and grease still pushes though and to the outside
  5. J

    Drilling tricks for work hardening

    Here is a theory for you check closely to see if the frog has been repaired especially means you said it was to the middle it got hard someone may have replaced it with different material the old bush fix was to weld on a old cutting edge to replace the frog, some snowplow edges have plain round...
  6. J

    Opinions wanted on old class 8 dump trucks for local dirt and gravel hauling

    Given those two choices I would do the Ford hands down even though the Ford dosnt have much dealer support they are still very easy to keep going and find parts for new or used the GMC was a odd duck even when new I love Allison autos but in that vintage of old farm truck I would take the 8ll
  7. J

    Hydraulic hose clamps

    Your going to have to take it apart and bring to hydraulic shop to match to a hose or get id od measurements to see if a hose can be matched up to the fitting Those are old school fittings but the machine hasn't got anymore hyd pressure than it did 50yrs ago if the proper hose can be found the...
  8. J

    Pins/bushings time. What's your proven method on those bushings?

    Simple way is to turn a bar to fit nicely inside the bore with a ledge approx the od of bushing hit with sledge hammer drive bushings out use bar to drive new bushings in Slightly more complicated buy a 20 ton hollow cylinder they are cheap at temco ebay amazon whip up some pulling plates and...
  9. J

    Bought a used 303.5 - Scammed or just Stupid? Or both?

    40x55 bushings seem available if that gets you any closer
  10. J

    Stripped zerk fitting fix

    I have welded nut over hole to screw zero into
  11. J

    Drilling tricks for work hardening

    Pretty much every time I touch a drill bit its used improperly:) including what the op is doing after all its heavy equipment repair not manufacturing bits are quite expendable when you look at the overall value of repairs done
  12. J

    Drilling tricks for work hardening

    Find your annular cutter on ebay or amazon if you have time to wait carbide even better ohh they will break but not all that often usually when things start to move around if you have never used them you will fall in love Also will need a weldon shank chuck for your drill These solid...
  13. J

    Bought a used 303.5 - Scammed or just Stupid? Or both?

    We have all made to quick of a decision at time but the good news is it looks like you got it a somewhat decent price and once you get the new pins in they will be in good shape for a long time its to bad it got so far as needing boring but sounds like your working that out maybe start a new...
  14. J

    Words for the wise

    That happened to me when I was the new guy jumped in 980 that the steering cylinders were completely pounded out on the ends it would just rattle back and forth Nahh its been doing that for years they say showed the big boss and got a job pulling the cylinders lol
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