• 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. J

    Komatsu pw130 1997 and ls epc valve output from pump controller

    We have been tracking problem with this unit for some time. Related on stalling on bigger load. After checking pilot pressure and ls pressure, we noticed that ls epc pressure does not chage at all. Based on shop manual it should. Output voltage for ls epc valve is only 7V, mA values seems to be...
  2. J

    Komatsu pw130 and shuttle valve solenoid

    Hello, I need help with this (blue) solenoid valve. It is located bottom of shuttle valve and I have no idea what it is stand for? Now it does not do anything because both solenoids aren’t working. -Janne
  3. J

    Komatsu 1997 pw130-6, stalling randomly with black smoke

    Hello, I have some problem with this machine. After one hour of use it starts to stall in heavy load. It does not do that every time but randomly it does. If joystick is relased little, rpms raise back. When this happens, it sounds like motor is pumping up and down because pump is changing...
  4. J

    Komatsu pw130 1997, monitor panel and engine throttle controller model codes

    Good Evening, Is there anyone is working with this kind of machine and could check what are monitoring codes 01 and 03 for this machine? We have Chinese monitor and it says that it is for 120. Same thing is with engine throttle controller, it says it is for 120. Only pump controller says...
Top