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Recent content by Maxfab

  1. M

    Heavy diesel/construction mechanics wanted -NEW ZEALAND

    Wanted Heavy equipment mechanic/fitter/technicians - come and experience New Zealand We are a service provider in New Zealand and looking for qualified Heavy Diesel mechanics, fitters, technicians for workshops in Auckland Field service roles travelling to our customers sites to diagnose...
  2. M

    Wanted Heavy equipment mechanic/fitter/technician New Zealand

    We are a service provider in New Zealand and looking for qualified Heavy Diesel mechanics, fitters, technicians for workshops in Auckland Field service roles travelling to our customers sites to diagnose and repair construction machinery. For the right person the package could include...
  3. M

    Volvo L220E 2005

    What is the error message? Time for service? If so it comes on 10 hours prior to, and will dissapear 10hrs after the hours it was due at
  4. M

    Komatsu PC50UU-1 Hub drive motor not getting enough fluid to drive it properly?

    There shouldnt be any pressure a the hub side, they are only lubricated with a gear oil, 80w90 and only a small amount 1-2 litres If there is hydraulic oil present the seal between the drive motor and reduction has gone, if this is the case the drive motor probably has high internal leakage...
  5. M

    Where does a rubber tired excavator fit?

    Common on road maintenence as they can travel faster and dont damage the tarmac, and more often used as material handlers, in scrap metal yards and as log high stackers on the wharf, we have very few backhoes in NZ
  6. M

    Komatsu PC50UU-1 Hub drive motor not getting enough fluid to drive it properly?

    Burnt smelling oil isnt good, Remove the outer cover from the planetry side and have a look
  7. M

    Hitachi ex135 you opinions wanted please

    Without knowing its history you could still be up for costly maintenence. Control valve reseal, centre joints are common to bypass and make the machine walk in circles, Boom and arm pins and bushes
  8. M

    2002 Volvo 220E problems?

    Not really, just age,
  9. M

    2002 Volvo 220E problems?

    good machines, from those hours and up we have a lot of hyd oil leaks, sensor faults, and shift solenoid errors
  10. M

    Volvo l220e steering problem

    Found problem, P2 compensator was jammed
  11. M

    Volvo l220e steering problem

    Havent looked at diff lock, Priority spool moves freely, and have checked the small hole in the end is clear, Have checked the 2 shock valves in the steering valve with the 13mm caps
  12. M

    Volvo l220e steering problem

    Pressure at steering valve test port is 3050psi at full turn, when it locks it drops to 150psi, Pump 2 standby is still approx 380, LS at p2 if i stall the hydraulics p2 goes upto 3780, but it doesnt help the steering When the steering is working the LS at P2 virtually matches P2's main...
  13. M

    Volvo l220e steering problem

    Ive removed and stripped the shift valve, no sign of contamination, have resealed and refitted, no change Started it up this morning and it was steering perfectly, so adjusted steering pressure to 3050psi, confirmed working pressure 3780psi Then took for a test drive and it stopped steering...
  14. M

    Volvo l220e steering problem

    Have a L220e, Turn steering gently it turns perfectly Turn steering quickly or jerk and it 'locks up' and wont turn either direction Fault will occur if steering is jerked in either direction, stop machine and wait 30seconds fire it up and it will steer (gently) Have stripped steering...
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