• 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. F

    Komatsu 830E

    We carried a 1000 he service on Komatsu 830E with MCRS Cummins engine.All fuel filters and water separators were changed. After the service we tried to prime the fuel but not priming. We could hear the fuel priming pump running but not any fuel going to the filters. We topped up the fuel tank to...
  2. F

    830E Komatsu Trucks Service

    Hello everyone, can I please ask about 830E Komatsu Trucks. These trucks have Cummins Engines MCRS. It seems Cummins or Komatsu recommends on 1000 and 3000hr services.Is this healthy for these engines considering the dusty environment they operate in. Most OEM recommend 250, 500 and 1000hr...
  3. F

    WA900

    Can I please ask information about a WA900 loader. The H frame was put on stands to allow for bucket repairs.The machine was in for a service too and the hydraulic oil was accidentally drained while the frame was still on stands meaning the lift cylinders had a bit of oil in them.Is it possible...
  4. F

    CAT 988H Lift and and Tilt linkage position sensors not calibrating

    The sensor is losing calibration when the machine is operating especially when it bangs when tilting. It happened to me me when I just did the calibration and I was testing it. My operation was not smooth and I banged it tilting back and it got out of calibration.
  5. F

    CAT 988H Lift and and Tilt linkage position sensors not calibrating

    Sorry Nige for taking too long to reply, the loader with creeping Lift cylinders was a 980H and the Cat dealer is working on it at the moment. This one has s a 988H. I managed to calibrate all sensors , lift and tilt levers and implement solenoids. The fault are clearing but after a few hours of...
  6. F

    CAT 988H Lift and and Tilt linkage position sensors not calibrating

    Thank you Nige, I followed what you said and I managed to calibrate the linkage position sensors and cleared the faults. They used the machine for a bit but they are saying the hydraulics are slow. I didn’t get the chance to check if the sensors are out of calibration again or not. I will check...
  7. F

    CAT 988H Lift and and Tilt linkage position sensors not calibrating

    Yes Nige , the fault codes are 350-13 and 351-13. Is there a different procedure to calibrate these please?
  8. F

    CAT 988H Lift and and Tilt linkage position sensors not calibrating

    The Lift and Tilt position sensors are the only active codes at the moment. The procedure to calibrate Themis as below: - Turn the ignition key on and don’t start -Apply park brake and press next -Lock the implement switch and press next - Make sure the Lift lever is in neutral and press next...
  9. F

    CAT 988H Lift and and Tilt linkage position sensors not calibrating

    Please help, our 988 H loader has 2 active codes for lift and tilt linkage position sensors out of calibration. I am calibrating them and the ET is saying successfull but the active codes are not clearing and the machine is still having lift and tilt issues.If I disconnect the sensors the ET is...
  10. F

    Cat 980H bucket dropping

    Thank you very much guys for all the information. Unfortunately I couldn’t do anything on the machine because when I came back from my off days another fitter had already removed the lift and tilt cylinders for resealing. I will update you when the cylinders are fitted back if the problem is...
  11. F

    Cat 980H bucket dropping

    Thank you very much Nige, I did not get any chance to work on this Loader today but hopefully I will be on it Monday. I follow this diagnostic procedure you sent me. Thank you
  12. F

    Cat 980H bucket dropping

    Thank you, I managed to recalibrate everything mentioned earlier but the problem is still there. The only active code is for the Emergency Stop not working. The other logged event code is 149-5 for Ride Control 3 way Solenoid which occurred 49hrs ago and E350 (1) for Tilt linkage movement and...
  13. F

    Cat 980H bucket dropping

    Thank you very much Nige, I managed to recalibrate the lift and tilt control lever position sensors but the ET is not letting me recalibrate the linkage position sensors and the proportional solenoid valves . Do I need a special programme on my ET to be able to do the calibrations please.
  14. F

    Cat 980H bucket dropping

    Please help, our Cat 980H serial number AKZL01012 is dropping the bucket when moving with load in the bucket.This is only happening when moving and it’s not doing this all the time. Thank you
  15. F

    CAT 988 H inching pedal adjustment

    Please help,we have a CAT 988H loader. The operator is complaining about the inching pedal. His left foot angle is getting sore because the inching pedal is not working right. How do I adjust this pedal please. Can I adjust it manually or I have to use ET to adjust the pressures, please help.
  16. F

    Hitachi ZW150

    I am so sorry our loader is ZW250 not ZW150
  17. F

    Hitachi ZW150

    Please help, our Hitachi Loader ZW150 park brake is not holding. Please help with information on how to adjust it please.Where is it located on the machine , can't find it on the drive line.
  18. F

    Volvo A3000 not building air pressure

    Please help, our Volvo A3000 Water Truck is not building air pressure and cannot engage gears or release the park brake. I disconnected the outlet line from the air compressor and started the engine and idle it.. The air compressor is pumping but not sure if the pressure is good enough because...
  19. F

    D6R Dozer fuel injectors failing

    I want to thank everyone on this forum for all the information regarding our D6R Dozer injectors failures. Yes we cleaned the cylinder head as per procedure I got from this forum. We replaced the failed injector, HEUI pump and also did the Trim codes. I got all the information and procedures...
  20. F

    D6R Dozer fuel injectors failing

    Yes Nige we did the cleaning and fitted back the injectors and replaced the failed number 4 injector. We also replaced the HEUI pump but now left with the Trim Codes. Thank you
Top