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  1. coalrulz

    Komatsu D57S-1 Head gasket seep

    I was taught, if you can catch the ridge with your fingernail three choices: - Drive the seal in a little more or little less to give seal new area to ride on. If possible - Sleeve the crank surface where seal rides - Weld and regrind affected area
  2. coalrulz

    Komatsu WA30-3 loader very slow at moving

    Pepe, Have you tried giving the Technical Service of Komatsu New Zealand a call? Bet they have access to a Shop Manual. Below is from the Komatsu New Zealand website. Do you have a technical issue with your Komatsu equipment? Our 24/7 technical support hotline is a one-stop shop for all...
  3. coalrulz

    Komatsu WA30-3 loader very slow at moving

    I am not sure I have ever seen a little WA30 let alone a -3, looks like a cute little loader. I was only able to locate a parts manual for the WA30-3, it show that machine has a torque converter with 2 speed packs and forward and reverse packs. From what I can see Komatsu went hydrostat on the...
  4. coalrulz

    Pc75uu2 final drive issue

    Image below is from the PC75UU-3 manual, roughly showing the hose routing to what appears to be the left track travel motor. Case drain is shown as #2, hose #3 would be the two speed travel hose, which I am assuming you do not have. Are the motor ports identified with letters and numbers that...
  5. coalrulz

    Pc75uu2 final drive issue

    I am wondering if the final drive motor that you recently purchased is a two-speed motor. From everything I can find the PC75UU-2 was equipped with single speed hydraulic travel motors. If the motor you purchased is two speed, for PC75UU-3, and you hooked up the case drain hose to the motor port...
  6. coalrulz

    Pc75uu2 final drive issue

    Did the new final Drive have 1 additional hydraulic port compared to the original?
  7. coalrulz

    wheeled loader shift issue

    Any active faults on monitor, E01,E02 or E03? When below dial is turned to 3rd or 4th the monitor panel still shows 2 for 2nd gear? Seen instances where mud or debris builds up under brake pedals and will not the pedal(s) return all the way. When viewing machine from the rear when someone...
  8. coalrulz

    wheeled loader shift issue

    If the speed sensor in the transfer drive fails it can cause the machine to not go above second speed. Does the speedometer on the dash indicate speed when moving?
  9. coalrulz

    Torque spec on Komatsu PC130 travel motor bolts

    Your welcome. As you suspected not much difference.
  10. coalrulz

    Torque spec on Komatsu PC130 travel motor bolts

    What dash is your PC130? The attached is for a PC130-11.
  11. coalrulz

    Komatsu D41a-3 Brake pedals

    Description from D41A-3 Operation & Maintenance Manual
  12. coalrulz

    D37E-5

    According to parts manual left indicator is #9 Alternator/Charge light.
  13. coalrulz

    Pc 400-7

    Sent you a pm with details
  14. coalrulz

    Pc 400-7

    Does your injection pump look like the one in image?
  15. coalrulz

    Komatsu d39-23 diagnostics

    High idle is engine speed/throttle pedal depressed fully, or in your case engine speed dial/throttle dial turned all the way up.
  16. coalrulz

    Pc27 no power to fuel shut off solenoid after machine randomly died while working

    What is the Dash number on your machine? MR-1, MR-2, MR-3 or -8. Serial number may be helpful as well.
  17. coalrulz

    ISL Serial Number Location?

    Try looking at top of oil cooler housing on engine block.
  18. coalrulz

    Pc170lc-10

    No timing process for the injection pump. Check your in box.
  19. coalrulz

    Komatsu PC200-8N1 Error code D19JKZ

    Not sure which model Komatsu excavator you have. PM'd you D19JKZ troubleshooting info for PC200LC-8.
  20. coalrulz

    Deciphering BOMAG MPH 600 errors

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