• 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. C

    Moldboard turning under load

    2000 Champion 730A Issue is when you load the ends of the blade (either side) it spins the circle like there’s not enough resistance to hold it. I’m not weld versed with graders but from what I can tell from the main control valve there’s 2 pressure hoses going to what looks like a gear motor...
  2. C

    ET Compatibility

    Hello, Recently I’ve purchased some software online including CAT ET and CAT SIS. I attempted to use ET on a D3G machine model year 2006 and could not access any of the diagnostic tests or calibrations- they were greyed out as if unavailable. The software supplier claims it is because I have...
  3. C

    ASV Hydraulics

    Hello, I am working on an ASV RC30 CTL which is having an issue of consistently blowing the piston seals from both bucket tilt cylinders. When freshly repacked if you rack the bucket all the way back and let off the controls it will drop about 3/4” then hold a load quite well until you work the...
  4. C

    Champion 730A VHP Series V literature

    Does anyone know where I can get a parts or service book for this unit? I found some old series 3 books but believe there are some significant differences. Thanks
  5. C

    Caterpillar 324e track adjuster

    Has anyone resealed this style of adjuster without removing the recoil spring? I’ve done bigger E excavators like 336 where the track adjuster is 2 bolts direct to track frame but this style seems to be integral with the recoil spring. Thanks
  6. C

    Cat 312C Travel Motor Failure

    I have a Cat 312C serial CBA04192 the right side track started to show signs of failure would intermittently jam up. Now it is locked and won't go either direction the oil goes over relief either direction. I swapped the lines at the control valve from left to right track and problem stayed on...
  7. C

    Hitachi pump flow control low

    Hello, I am working on a hitachi zaxis 230lc -1 excavator with a complaint of all hydraulic functions suddenly slow. So far I've confirmed pilot pump pressure is OK and pilot pressure acting on main spools is within spec. I've used Dr. ZX hand held tool to confirm both pump delivery pressures...
  8. C

    621D Pins

    I'm removed steering cylinders on a 621d to repack. The barrel end pins under the cab are seized tighter than hell I am preparing to remove the cab to lance them out due to lack of access. The part number is 87403344 which subs up to 8605835. These are tiny pins but Case wants $500 a pin. Is...
  9. C

    Case cx250d batteries

    Hello, I am needing to replace the 2 batteries in a case cx250d. This seemingly simple task has gotten confusing. The batteries are covered in Japanese writing and have the brand Delkor with the number 130E41R they are 110AH 800CCA. From my research this is a JIS japanese battery number and...
  10. C

    Service truck crane drifting down

    I have a liftmoore 3200ree truck mounted crane that leaks down on its own when weight is on the hook. There is what I would assume is a holding valve in the cylinder, would this be suspect over the internal seals of the cylinder leaking? The serial number is not legible anymore and liftmoore...
  11. C

    Looking for John Deere 3020 Service Manual

    If anyone could help me out that would be great. Trying not to buy one as I don’t work on these often. Thanks
  12. C

    JLG leaks from transmission vent

    Hello, Scratching my head on this one… I’ve got a JLG G10 55A telehandler that leaks from the power shift transmission vent but only once it is shut off. You can hear a good stream of oil purge from the vent as soon as you turn the key. If you remove the transmission dipstick giving it the...
  13. C

    Track is weak...sometimes?

    Hello, Working on a small Cat 305.5D CR excavator. The complaint which I can verify is that the left track intermittently gets extremely weak. It will track straight when pushing both levers together but at a stand still pushing only the left track lever either forwards or reverse occasionally...
  14. C

    Looking for Isuzu 4LE2 engine service manual

    Anybody have this file? I can't find it other than sites that want my credit card info. Isuzu BV-4LE2 2008 engine Thanks
  15. C

    Case Super N Emissions Fault

    Hello, I am working on a Case Super N backhoe with tier 4 emissions on it, the machine has an SCR but does NOT have a DPF. There is a code for the SCR being plugged which has de-rated the engine and turned on a constant alarm along with a red STOP on the digital display. My understanding is...
  16. C

    Using generic hydraulic oil

    Hello, I am wondering what adverse effects could be expected from using generic ISO rated hydraulic oil (32,46) from a farm supply store in place of manufacture specific oils? My employer is always looking to save a buck and often I am told to just fill it with aw46 when for example the JD...
  17. C

    JD 410J Extend-a-hoe Removal

    I am trying to separate the extend a hoe on a John Deere 410J backhoe to change out the wear pads. As far as I can tell the only thing holding the inner and outer slide section together is the cylinder. I have knocked out the lower pin at the rod end and can pull the outer section out quite a...
  18. C

    314C Rear Main Seal

    Recently had the hydraulic pump out of our 314C Cat excavator to be resealed. It was leaking from a couple different sealing areas. Just wondering if there is anything that could of been done wrong on installation of the pump to cause rear main seal to go out less than 3 hours with resealed...
  19. C

    Super Pac 600P service manual

    Would anybody have the service manual or even operators/maintenance manual for this machine?
Top