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  1. 4

    Mitsubishi mm30sr

    Hi Treedoctor, PE1, PE2, and PE3 refer to an open circuit between one of the three potentiometers and the computer. My experience has been that wires belonging to the PE2 potentiometer on the stick have been struck by tree limbs, then broken. Check the wires for continuity. Once the...
  2. 4

    Furakawa info fp45

    Look at Hitachi dozer. I have transported several...same thing.
  3. 4

    Mitsuba Governor Controller/Mitsubishi mm55SR

    Parting Out MM55 Shaun, I saw on craigslist two days ago a fella in Damascus, Oregon who is parting out an MM55. Ad says someone already got the motor but you may want to follow up on this as you know how hard parts are to find. https://portland.craigslist.org/clc/hvo/5522677300.html...
  4. 4

    Mitsubishi 45 code 51 joysticks in op

    Matt, Do you have an MX45? ... with code 51? Does anything work, like the tracks and blade? Use the front collision interference switch to disable the collision system. This will help you determine if the problem is in the collision section or the main control section. If it now works...
  5. 4

    Mitsubishi mm30sr Fan belt replacment question

    Hello neighbor, I have an MM40 and the fan belt can be easily reached by removing the access panel located behind the boom but just in front of the hood.
  6. 4

    mitisubishi mm 30 sr boom will not move

    Lil' Pusss, Have you ever ordered anything from manualsdrive.com? Seems like a scam to me.
  7. 4

    water temp problem

    Silly as this seems your thermostat may be stuck open. Does the radiator get hot or just luke warm?
  8. 4

    mitisubishi mm 30 sr boom will not move

    Is the boom movement and starting the only problem?
  9. 4

    CAT 304.5 - Will not shut off - Bad alternator?

    Most fuel solenoids are de-energized while the machine is in operation. This saves having an energized solenoid the whole time a machine is running. The solenoid would just draw energy eventually getting warmer and warmer. Not efficient. Anyway, when the operator switches the ignition key to...
  10. 4

    Mitsubishi mm30sr

    TD6MAN, Will you send me a copy of the diagnostic manual for the electronic system for the MM series machines? Thank You very much, Jeff
  11. 4

    Mitsubishi mm30sr

    Hi Phill, Could you send those diagrams my way? Sure would appreciate. Thanks, Jeff
  12. 4

    Mitsubishi mm30sr

    Treviftn, Did you replace potentiometers with OEM or aftermarket. Where did you buy them? Jeff
  13. 4

    Mitsubishi mm30sr

    Casey, Check the seat safety lever switch. Move the arm down and the controls are enabled, move the arm up and the controls are disabled except for the blade and tracks. Jeff
  14. 4

    Mitsubishi MM30 Final Drive Motor

    Hey Shon, Go to www.minifinaldrives.com or to Rhine Equip. in Lakewood, WA (by Tacoma). Expect to pay around $2,500.00 to $3,000.00 for the complete unit. Jeff
  15. 4

    Mitsubishi mm30sr

    Ed, Please see my post at the end of this thread. jeff@4x6ventures.com
  16. 4

    Mitsubishi mm30sr

    Do you have a hard copy or PDF files of the Diagnostic Manual for the Electronic System? Please send if you have PDF. Thank You so much...jeff@4x6ventures.com
  17. 4

    Mitsubishi mm30sr

    MM40 SR Computer Lockup ... Regarding the electrical lockup of the swing and digging controls: I have found that by pressing the reset button while the machine is running will erase the error code and present instead all flashing eights on the readout. Once you see the all flashing...
  18. 4

    Mitsubishi mm30sr

    MM40SR Manuals needed ... I see that you may have manuals for the Mitsubishi series excavators. Would you be able to provide a parts and repair manual for the Mitsubishi MM40SR? Thanks, Jeff@4x6ventures.com
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