• 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. V

    JD 270LC boom has mind of it own

    Hey guys, having some trouble with an 270 LC has over 14,000hrs. The spool valve for the boom controls keeps jamming on me, some times when you start the machine the boom raises on it's own regardless of the safety lever position, most often you are constantly fighting the boom to keep it on...
  2. V

    John deere 450LC 12.5L powertech fuel problem

    Nvm just a real bitch to bleed. False alarm
  3. V

    John deere 450LC 12.5L powertech fuel problem

    Have the same problem with this machine again. Replaced the fuel pressure regulator valve, primed the fuel system...machine ran daily until now. Again no smoke but lots of pressure in the lines.
  4. V

    John deere 450LC 12.5L powertech fuel problem

    sounds like ill be replacing that monday then.
  5. V

    John deere 450LC 12.5L powertech fuel problem

    Got her up and running thanks to you guys AndrewC and GregD1. I'm kind of wondering how it died in the first place, i replaced the rotted rubber lines between the tank and water separator and thawed out 1" of ice in the separator + dirt and a blackened filter, could have been any of them, no...
  6. V

    John deere 450LC 12.5L powertech fuel problem

    Hey guys haven't posted anything in a while but i need some help please. I have a John Deere 450LC excavator I started working on I believe its a 2005 model ( i have yet to confirm the year) , I seem to be having a no fuel problem... note that this machine sputtered and died in -27 degree...
  7. V

    Zoom Boom 8044, tilt cylinder slow to function! (10 second delay)

    find the part number and call skyjack, they own zoom boom now.
  8. V

    John Deere 310E loss of power.

    The engine does not smoke and the Rpms are steady so that would rule out head gasket obv. I don't believe it sthe engine at all it must be in the transmission. after a couple hours of working it looses power or Torque i should say with foot down engine revving but no go best way to describe it...
  9. V

    John Deere 310E loss of power.

    Hey guys need some help with a machine, i always get a great response here on Heavy Equipment forums. I have a John Deere 310E backhoe that operates great for the first hour sometimes two, but when it gets hot it seems to loose power to the wheels, I have to shift all the way down to 1st to...
  10. V

    Zoom Boom 8044, tilt cylinder slow to function! (10 second delay)

    I had this problem, sent out the cylinder, it was bent, i think it also had blow by in the cylinder.
  11. V

    8040 Zoom Boom Carelift Hydraulic pulsing.

    Well all is good after install, pressure fluctuations are gone and machine operates perfectly. Thanks again!
  12. V

    8040 Zoom Boom Carelift Hydraulic pulsing.

    After calling a few tech guys I was given a simple easy way to test this but uncapping the bleeder valve and releasing the air to find just a **** of nitrogen and then it was empty so I've takin it out of the machine and I'm taking it to a shop for recharge and ill fill you in on the results...
  13. V

    8040 Zoom Boom Carelift Hydraulic pulsing.

    It does appear to have an accumulator, how do i service this or is it to be replaced?
  14. V

    8040 Zoom Boom Carelift Hydraulic pulsing.

    Hey guys I have an old Zoom boom Carelift getting a bit of an overhaul in the shop, I having a hydraulic issue that i don;t understand, i'm quite an amateur when it comes to certain hydraulic problems, anyways the problem i am having is a pulsating hissing noise like a pressure release from the...
  15. V

    8040 Zoom Boom Stuck Cylinder pin...

    Thanks alot guys, i guys alot of heat and 4 buckets of cold water can do soem amazing things! after heating the thing to the temperatures of Hell and a great deal of 16 pound sledge swinging as if i were shaping the stones of the great Great Pyramid she slowly work her way out. Tried using...
  16. V

    8040 Zoom Boom Stuck Cylinder pin...

    Hello HeEq guys. I'm having an issue with a stuck cylinder pin, i want to remove the cylinder for rebuild but i can get the pin to press out. The machine is an older 8040 ZoomBoom built in i believe about 1992. Its the front body tilt cylinder on the right hand side and its the upper pin...
  17. V

    Telehandler TH103 hydraulics

    cylinder could be bent, hence does not retract smoothly and puts a great deal of stress on the motor. Or perhaps a seized relief valve.
Top