• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Search results

  1. M

    what to make of an oil sample ?

    i am looking at an old cat dozer. the oil was tested, everything was single digits except lead , 18ppm, copper 240 ppm and iron 90 ppm. my thoughts are, how valid is an oil reading? I imagine it fluctuates depending on when the oil was changed? if it is valid, are those numbers in the range...
  2. M

    d7e question

    i am looking at maybe getting another d7e(had one several years ago i sold, dumb move), it is coming up for auction, however the description says it starts/runs, doesnt turn left going forward but does turn left going in reverse, is this just a brake issue? just trying to determine if i want to...
  3. M

    case 9030b swing gearbox

    i changed out the swing gearbox oil, while doing this i noticed a small leak (see pic), what is it?
  4. M

    case with a cummins

    my 1997 case 9030b has the "case" 6t-590, is this identical to the cummins 6bt, and if so do i need to fix the killer dowel pin problem associated with the b series cummins?
  5. M

    fixing oil cooler case 9030b

    the amount of hydraulic oil leaking from the cooler has increased to the point that i have to fix it. The old man that owns the radiator shop says he has done hundreds of them without a problem. couple of questions 1. is there a way to minimize the amount of fluid that drains? 2. once i...
  6. M

    stick working under water

    I have selected a pond site, the water table is only 4 feet below grade. my question is do i need to worry about my bucket cylinder working under water for an extended time?, I dont have any noticeable hydraulic leak from the cylinder, and i am assuming that if the high pressure hydraulics are...
  7. M

    greasing gearbox(reducer)

    i am a complete newbie to excavators, i have greased, changed fluids on everything needing it, the last thing i was lubing was the gearbox reducer...per the direction, i opened the air plug, which was on the opposite side of the gear reducer from the grease fitting and started adding grease...
  8. M

    case 9030b, discontinued parts search?

    i need new bushings for my bucket, however it is discontinued, are there aftermarket bucket producers that would sell these?, or do i need to get them machined locally?
  9. M

    can you over grease a case 9030b?

    can the swing bearing be over greased on these machines, or do you just grease till you see it coming out? I assume for pins that you just grease until you see it coming out. also the owners manual says to take the cover plate off of the swing gear and fill as needed as you rotate 1/8, what...
  10. M

    Thumb

    Does anybody have a picture or a blueprint of a stationary thumb that would work on a case 9030b?, or a place that might sell used parts?
  11. M

    fluids for case 9030b excavator

    I need to top off the hydraulic fluid, the manual calls for MS-1230 NT or LT, can I just go to tractor supply and find an oil with those specs? also it calls for straight 90 weight GL-4 for final drives, I have GL-5, does that exceed the GL-4? can I mix...it is just barely low(might even be...
  12. M

    how to check out an excavator?

    I am going out to check on an excavator and have a few questions on how to diagnose any problems that the turntable might have and severity of the fix for it. 1. how can you tell if the slew bearing seal is bad and how hard is it to replace? 2. I have read that about 1/16 of an inch play is...
  13. M

    1996 case 9030b operating tips needed

    I am not at all experienced in operating one, and would like to pick the brains of those that have logged some hours in it, or any excavator. I need to clear some large hardwood stumps, any operating tips? maintenance tips?
  14. M

    D7E track tightener help

    My track tightener spit its grease out of coil side, Is there any chance that the tightener can be taken out without breaking the tracks open? I am hoping I can just disconnect the idler push rod, pull idler as far forward as I can and have enough room?, or maybe enough room to put in the...
Top