kobelco sk 120 mark v long arm
this machine repaired cobelco agent, these are they have done.
main hydraulics pump overhaul
pilot pump change
pump proportional solenoid change
all filters & hyd oil change
pressure relief valve change
but still machine is not OK.
:Banghead:Banghead:Banghead:Banghead
both tracks is OK. ( relief pressure 350bar )
boom is not OK. ( relief pressure approximately 170bar )
arm is not OK. ( relief pressure approximately 180bar )
bucket is...
kobelco sk120 mark v critical problem
kobelco sk120 mark v critical problem