• 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. T

    Kobelco SK210LC-6E Travel Problem

    Serial # YQ08-U1349 The left travel on this machine is slow. When you engage left travel pilot valve (literally move the lever 1” either direction) you can hear the engine start to load up then it sounds like it hits relief & it starts to move but under load. The right side you can move the...
  2. T

    CAT 980G HYDRAULIC PUMP

    Also take your case drain hose off both ends & make sure debris from previous failures isn’t causing any blockage in your hose. I have found that more with piston pumps but it’s always a good practice when you are cleaning out the system.
  3. T

    CAT 980G HYDRAULIC PUMP

    If memory serves me right, we always ran 10w with API CK-4, TO-4 in the G’s. A lot of oil doesn’t have the additives that a vane pump requires. We never had trouble with the implement pumps, some of the machines had 30k+ hours on them. Now the fan pump that is attached to the back of the...
  4. T

    D6K dozer wont move, blade wont move, and scanner won't power on. Need to move it

    Agreed. Nige did a great job with his diagnostic procedure but it’s always nice to know what was actually found in the process.
  5. T

    Cat 950 won’t start

    Are you getting any smoke out of your exhaust while it’s turning over?
  6. T

    Cost for Line Boring on 580M?

    this is facts right here
  7. T

    Cost for Line Boring on 580M?

    Hey Bote, do you have any machine shops that are in your area? Automotive machine shop probably won’t help but an industrial one more than likely can do it. At least in PA where I live they do mobile line boring too. Price varies from area to area, in PA where I live you are looking at $120/hr...
  8. T

    Volvo ECR145CL Hydraulic issue

    A little more information is always nice. Did this problem progressively get worse over time? Did it just stop all together one day while you were working it? Was it intermittent, before total failure? Did you happen to cut a filter open before having the pump rebuilt? Was any work done to it...
  9. T

    410 Backhoe no functions after replacing high pressure main pump

    Does the front bucket functions work? Are you completely sure you have the air out of the system? Checking to make sure you have system pressure is a must.
  10. T

    410 Backhoe no functions after replacing high pressure main pump

    If you put any time on this machine since your last repairs have you pulled the filters, cut & squeezed them to see if you have any significant metal accumulated in them? If it’s a mechanical failure, it will show up in your filter again. If it’s a seal or sealing problem in a component, gauges...
  11. T

    Komatsu PC 138uslc-8 hydraulic problem : bucket curl

    I wanted to follow up with what I found just incase someone else ever runs into this in the future. This machine had a JRB quick attach on it which was removed but all the plumbing is still there but dead headed at the end of the stick. When diagnosing I just unplugged the connector to the...
  12. T

    980G Alarm Fault Lights Issue

    I worked on strip jobs during the era of the 980g’s, tough machines to beat. Mostly 2KR serial # with the mechanical 3406c’s so I might not be much help to you & no longer have SIS to look anything up. The twisted wires that you are talking about are data link wires, that is how your machine...
  13. T

    Komatsu PC 138uslc-8 hydraulic problem : bucket curl

    Hi guys, any help would be appreciated. Serial # 20062 4800 hours on machine The bucket cylinder on this machine wants to extend at all times (curl) with no movement of PPC valve. Removed lines from rod & head end of cylinder & tee’d in gauges. It has constant 100psi of pressure running to...
Top