Recent content by Markle

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  1. Markle

    New to site

    Welcome! This is a helpful crowd.
  2. Markle

    1995 Bobcat 743B Engine Knock

    I replaced my 1702 with a remanufactured engine 4 years ago. I did the work. The engine was about $3500 then. Though parts are available, I didn’t want to rebuild it myself …I’ve rebuilt many gas engines, but never a diesel, and if I remember the cylinders might have sleeves. Didn’t want to...
  3. Markle

    bobcat 873g glow plugs cycle 30 sec everytime

    My 873, I control glow duration with a toggle switch. That switch is on top left console above bucket leveler switch. My 753 has a relay that controls cycle time, and I’m sure it’s keying off a temp sensor. Suggest finding a wiring diagram for your s/n.
  4. Markle

    743 kubota diesel running fluffy

    Not sure we will see closure on this one…it really helps to see final solution/fix. Lack of power, I’m thinking compression has dropped. OP?
  5. Markle

    Laurence, no I did not. I have a landscape nursery and I use caretree tree spades. That company...

    Laurence, no I did not. I have a landscape nursery and I use caretree tree spades. That company is out of business now for 10 years. But these units are pretty solid. Sorry I didn’t respond sooner.
  6. Markle

    873G covered in oil

    Zeke touched on it… 873 is oil cooled…no antifreeze. If your leak is engine oil which is also coolant, it does get pumped up to the cooler radiator above engine bay. If there is a leak up top above engine, I can imagine the oil could drip down everywhere in the engine compartment. Check up top...
  7. Markle

    What holds the lapbar up on a 743?

    This is my arrangement. The attachment pieces are like a bolt that screws into another bolt, with no actual adjustment. Spring tension is supposed to be enough to hold bar up. Like others have said, do not lube it, and I too had to take bar out twice and weld more metal onto the bar where it...
  8. Markle

    Case drain filter replacement diy

    Yes. See my answer on your other post.
  9. Markle

    Flow direction on cased drain filter

    This wasn't answered so I thought I’d give 2 cents…I’d say “yes” it matters. The bobcat bronze filter in the case drain housing is spring loaded to seat it in the housing.If the flow is in the opposite direction as intended/designed, the flow can compress the spring and let the schmutz...
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    IMG_1260.jpeg

  11. Markle

    Bought a fake 743b that's a 743 - need manual

    Yes, preventive maintenance. I’ve seen the catastrophic damage caused by the ujoint that self destructs…always flywheel damage, maybe bending hydraulic pump input shaft , etc.
  12. Markle

    Bought a fake 743b that's a 743 - need manual

    Ujoint connects flywheel to hydraulic pump input shaft. With cab up and by laying on top of hyd pump, someone with long arms can reach back, with difficulty and blindly, grease the zerks…but it’s a stinker. Sometimes it may be easier to pull engine back. Spline on ujoint just slides off pump...
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    IMG_1259.jpeg

  14. Markle

    753 runs and then dies like it out of fuel

    My repair kit was like the one in pic. Note you set it in the tank just like you see in pic. Grommet gets seated before it expands. Then push brass shoulder into grommet to expand grommet. Reverse for removal.
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    IMG_1257.jpeg

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