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  1. M

    Undid a pilot hydraulic line and lost forward movement.

    The resolvers are just single ball bearings .250 i think. When you undone the allenkey screw did you lose that ball???
  2. M

    D5m priority valve pressure loss

    i would like to see the faces under the gears and inside the cases Mark
  3. M

    John Deere 8430H

    Hi guys, in need of some help with an 8430H please. this tractor is new to us and is towing an air seeder with a hydraulic driven fan. The problem is that when you turn the machine the fan slows down and if you are not careful the seed tubes will block which is a pain in the a#se i am assuming...
  4. M

    Overload of the Day

    There's still room on the bonnet
  5. M

    Caterpillar D4H low power smoking black

    excessive oil in the flywheel housing can give symptoms like this. cause can be convertor leakage or scavenge pump blockage or malfunction
  6. M

    D4H LGP Shift Linkage Adjustment Question

    my memory is not what it should be, but if i recall correctly either rod 1 or rod 45 is actually spring loaded internally
  7. M

    D5H 1DD , trans problems

    tell the story please Nicky always interested
  8. M

    Under speed in reverse

    Do you have an operation and Maintenace manual? if not nige can direct you how to obtain one A 250 hour service for cat machines generally does not include all the filters and oils
  9. M

    980G

    i have come across something similar twice with the command steer and both times it has been a frozen slip joint between the steering wheel and command steer box lack of grease being the cause
  10. M

    980G

    TS. it would depend whether it has normal steering or command steer normal steering will have a full circle steering wheel command steer will have segmented steering wheel as usual a serial number always helps
  11. M

    621B Lost All Hydraulic Function

    my 2 cents, if you have lost implement functions i would suggest that the implement vane pump section has stripped the spline in the vane cartridge or on the shaft i have seen both for these symptoms also common to crack the vane pump cam ring especially if some cowboy decides to up the relief...
  12. M

    Cat 246C parking break won’t release

    my 2 cents worth. disconnect the aftermarket turbo timer and check again. i have seen them cause some strange problems over time
  13. M

    Volvo A25D Oil in Bellhousing

    did you check the scavenge pump pick up screen
  14. M

    case 2366 combine electrical problem

    Hi guys i need some help with this problem the column display will not register rotor speed it sits on zero all the time (fan speed is displayed). Also you can not adjust the fan or rotor speed with the control switch switches i have changed the rotor speed sensor and checked the fuses and...
  15. M

    CAT d6c serial number stamp

    p/n 113-1247
  16. M

    D6C how to test transmission pressure s/n 10k4334

    my thoughts on this Has the filters and screens been checked? oil discolored/ burnt? check your oil transmission oil level with machine running remove floor plate under your feet and visually check for correct operation remove linkages from transmission levers and confirm each detented...
  17. M

    Guess I should Have Locked It Out!

    a lot of the mining equipment over here has two isolators fitted one for the start circuit and one for the accessory circuits. in conjunction with lock out procedures allows for live testing of electrical circuits without risk of engine operation
  18. M

    86 D4H series 2 ems

    check that the fuel pressure switch or its wiring is ok. as it gives an engine running condition to the ems system Mark
  19. M

    AC pressure readings and problem with dealer.

    sounds like it is icing up the evap core has the thermostat been checked, does it even have one?
  20. M

    D6H XR and XL differences

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