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  1. Bertrrr

    kumatsu fuel issues

    Figured it out , someone removed the fuel shut off lever , found it laying there , thanks for the replies
  2. Bertrrr

    kumatsu fuel issues

    It's an old machine that has been rigged for a long time but has good hydraulics and the engine runs good. it's a 128UU , I'll take some pics today, Thanks for the response
  3. Bertrrr

    kumatsu fuel issues

    For some reason this machine will not shut off with the fuel shut off lever on the pump. Solenoid has been bypassed for years and they were pulling the kill lever with a rope. Not sure where the problem is at this point , it's way down in the machine and hard to get a visual , any ideas would...
  4. Bertrrr

    Komatsu PC35mr-2

    Cant hurt to try, or go to Kumatsu and look at their parts breakdown to get the right parts.
  5. Bertrrr

    John Deere not moving

    Thanks for the input , I'll check into these to see if helps , this thing stopped all at once so I don't feel like it's a worn clutch or it would have happened gradually ,thanks again
  6. Bertrrr

    John Deere not moving

    I have a 5603 tractor that will not go forward or reverse , all hydraulics are active , pto turns , runs great just no movement I can here a relay clicking when it is shifted in each direction but no movement , Guessing there is a selonoid not getting a signal to open / close but need some...
  7. Bertrrr

    Komatsu PC 128 UU final drive problems

    It's looking like the final drive assembly on one of the tracks is not pulling , forward OR reverse , has a rattle when you try and make it rotate , If anyone has any experience with replacing or rebuilding this drive it would be a big help thanks in advance ,
  8. Bertrrr

    Komatsu excavator no hydraulics

    Found a loose wire under the machine this morning, applied 24 volts and all the hydraulics came alive again, Thanks for all you guys help. Still got work to do on this dude but making progress now , no doubt I'll need more input from you guys at some point , thanks again for all your input,
  9. Bertrrr

    Komatsu excavator no hydraulics

    Thanks for the info and input, I have considered a bad coupling and have not ruled it out but it's a last resort check as pulling the pump off would be extremely hard , probably have to pull the engine from the machine or remove the counter weight off of it, the control switch in the cab opens...
  10. Bertrrr

    Komatsu excavator no hydraulics

    Well I've tried everything I can think of with this beast, This thing ran really good until I parked it for the weekend, got here Monday and went to start it , Batteries DEAD, not a smidge of power, hooked up charger and got it to kick off, No action on the hydraulics ,,,,,,NADA,,,, it was...
  11. Bertrrr

    Komatsu excavator no hydraulics

    Thanks for the file, it's a good start, this machine is a PC-128-UU and has been abused for years so lots of wires or either disconnected or tied together or missing altogether , mechanically sound just all the little issues keep popping up , thanks again
  12. Bertrrr

    Komatsu excavator no hydraulics

    Got this machine working pretty good , been sitting for a few days , had to charge the batteries to get it started but all sounded good, cannot get any of the hydraulics to respond even with the safety latch pushed all the way down, Will look at that micro switch tomorrow to see if that is the...
  13. Bertrrr

    Komatsu turntable

    Well I got the turntable brake to release , jumped 24 volts to the solenoid that feeds the small hyd line towards the swing motor, I'm planning on installing a Toggle switch to engage / disengage as needed for the swing brake so it only sees voltage to the solenoid when the operator chooses to...
  14. Bertrrr

    Komatsu turntable

    one of them clicks , none of the other ones make any noise , checking voltage on the wiring that goes to this group, there is about 20 vts when the machine is running , I touched each one off with 24 volts but didn't seem to have any effect. Can you identify the two solenoids on the top near the...
  15. Bertrrr

    Komatsu turntable

    These 2 pics show a number of solenoids that I assume have to do with the swing brake, can you guys help identify this group ? none have any wiring connected at this point, I did apply 24 vts to one of them and it clicks like it's activating , thanks in advance
  16. Bertrrr

    Komatsu turntable

    Think it reads PC 128-UU , this machine has been neglected and rigged 7 ways from Sunday so it's a jigsaw puzzle at this point, thanks again for your input guys , will update tomorrow after I run some tests on the solenoids
  17. Bertrrr

    Komatsu turntable

    I found what I think is the swing motor / brake solenoids , planning on jumping 12 volts to each and see if it will allow the machine to swing , not sure if it needs 12 or 24 volts though
  18. Bertrrr

    Komatsu turntable

    thanks so much for the input, I will try and locate everything this week and figure out where the problem is will update when I know something else or have another question
  19. Bertrrr

    Komatsu PC300-LC3 - won't swing, and identifying a few parts

    I am currently dealing with this same issue on a PC 128 it's in about the same condition as this one described maybe worse, wires are hanging everywhere , disconnected , tied together , computer is out of service , trying to locate the swing brake solenoid today , this post was very informative...
  20. Bertrrr

    Komatsu turntable

    Thanks for the input , this makes sense to me , now to figure out where the solenoid valve is and why it is not getting the signal
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