Kobelco hydraulic excavators

daplatten · Jul 18, 2015

I have a Kobelco SR 60/70 Ser# YT03-05617 in need of the following parts.
Door - Part # YT51CO1OO1P1
Glass - Part # YT02C01073P1
Right Side Panel - Part # YT21C01199F1
Lower Right Side Panel - Part # YT21C01147F1

I also have a Kobelco SK290 Ser# LB03-U0289 in need of the right rear door & the exterior strip panel that goes below that door.
The door is Part # LB21C01008F1
I'm not sure on the part number for the panel below the door.
Sorry no pictures of the 290 on my home computer.

I can get them from the local dealer, but would prefer used. Will paint & replace stickers if needed.

Slandry786 · Jul 22, 2015

im hunting a service manual for a sk250 LL08-UO166 or at least the wire schematic for the ac it hot in south Texas right now thanks

linemann.l254kp · Aug 1, 2015

Hi there Mr. Kobelco, I have a SK035 mini excavator wich is giving me problems, No right controls at all (Boom, Bucket & right travel) only left side works, I check pilot pressure (500psi), P1 nada, P2 & P3 close to 3800 psi, I switch P1 for P2 and still the same, pump is freshly rebuilt due to this problem but no changes. Please helpme.

sgun · Aug 29, 2015

Hi. I have a mid 1990's kobelco 035. The left hand control stopped functioning properly. It feels stiff in all directions, and only moves the boom/slew at maximum movement in whichever direction it is moved (and then slowly). At times there is a noise from the control area hissing (no leaks). I have changed right and left control units and still same problem on the left. I have cleaned the filter on the pressure input to the hand control, no sign of any debri there. Is there some kind of a pressure regulating valve which could have failed to the hand control?

linemann.l254kp · Aug 29, 2015

Run it until working temp., then w/temp infrared gun check for hotest spot on big valve assembly under floor board, looking for stuck relif or pressure reg. valve

Nessoreilly6 · Sep 26, 2015

Help

Hi I have purchased a 1986 905 excavator and the heads off the track motor have rusted off and oil leaks out also the oil cooler has a hole in it am trying to source workshop manual and parts in Australia if possible

linemann.l254kp · Sep 27, 2015

Sorry only have k035 but you can try with MrKobelco he is a Senior member

Mr Kobelco is senior member and technician!!!

Nessoreilly6 said:
Hi I have purchased a 1986 905 excavator and the heads off the track motor have rusted off and oil leaks out also the oil cooler has a hole in it am trying to source workshop manual and parts in Australia if possibleView attachment 141831 View attachment 141830

riland · Sep 27, 2015

I have workshop manual for K905LC LP-0901~1376 YP-0115~
contact me if need this book

Nessoreilly6 said:
Hi I have purchased a 1986 905 excavator and the heads off the track motor have rusted off and oil leaks out also the oil cooler has a hole in it am trying to source workshop manual and parts in Australia if possible

Naail · Sep 27, 2015

Is this thread still active

I need help with an excavator

Nunnu · Sep 28, 2015

Excavator SK135SR (Governor motor issues)
I have this Excavator model: SK135SR (Kobelco) which is showing an issue `Governor motor current fail' and 'Governor motor starting point indexing fail'. Any solutions or the cause of this issue. Thank you

linemann.l254kp · Sep 28, 2015

Check fuses, then check for voltage at governor motor conector, and the ohms of the motor also the shaft to injection pump make shure is not in a stuck

Nunnu · Sep 28, 2015

All fuese are good.motor and shaft are good. Voltage at governor motor conector dont have voltage. I chacked 4 wire of connector all so..ples.

digger79 · Oct 11, 2015

hi i have a sk230 Mark VI it has a p2 proportional solenoid fault, i have replaced solenoid and done extensive wiring checks right back to mechato controller and still no luck could there be no output from controller
any suggestions would be appreciated

willie59 · Oct 11, 2015

Welcome to HEF digger79. I don't know myself how to troubleshoot your problem, but just wanted to say I typically disconnect the connectors to P1 and P2 solenoids and swap them, see if the fault changes. Also, I've had problems with the connector where it snaps to the proportional solenoids, the socket that meets up with the pin on the solenoid gets worn and doesn't make a reliable connection. Had an SK250 that P2 solenoid kept going offline, then back on, then back off. Disconnect the connector, gripped the two flat pins in the solenoid connection and gave the pins a slight twist. Popped the harness connector back in and haven't had a problem with it since.

linemann.l254kp · Oct 11, 2015

Tankyou but mine isn't electric(solenoids)

willie59 said:
Welcome to HEF digger79. I don't know myself how to troubleshoot your problem, but just wanted to say I typically disconnect the connectors to P1 and P2 solenoids and swap them, see if the fault changes. Also, I've had problems with the connector where it snaps to the proportional solenoids, the socket that meets up with the pin on the solenoid gets worn and doesn't make a reliable connection. Had an SK250 that P2 solenoid kept going offline, then back on, then back off. Disconnect the connector, gripped the two flat pins in the solenoid connection and gave the pins a slight twist. Popped the harness connector back in and haven't had a problem with it since.

---tank you but mine is a k035 older machine no sol on p1 & 2
---- by the way if anyone outthere knows were to get used parts (like a junk yard for equipment) please post it

digger79 · Oct 12, 2015

Thanks Wille59 i have tried all that and also replaced plugs on solenoids but fault still remains with p2 solenoid, have tested cables right back even through KPSS switch back to Controller and found no faults

Pine Creek Mine · Oct 12, 2015

Hi,i have a ED 150 2005 with isuzu motor,it ran perfect ,the next morning it started up ok and then it lost power under any load,i changed the fuel filter but its the same,the excavator shows 3125 Hrs.I get all the 3 tomorrow.Glad you guys are here.... tom

linemann.l254kp · Oct 12, 2015

I don't know nothig about you machine but have you check the basic? If electric fuel lift pump>make sure theres no air leak before the pump and check flow after pump, if injection pump is totaly mechanic check oil leve if above normal suspect seals at injection pump also if shut off valve is not stuck half way, disconect return line after last injector if good flow= injection pump ok, check air intake no restrictions, some times trash gets in the lines from injection pump to injectors or/ and lift pump to injection pump, also check for restrictions after hydraulic pump if direct drive by the engine this my keep it from turning rigth. hope this help u, u may want to ask for Mrkobelco he supoust to be a kobelco tech with accses to info

willie59 · Oct 12, 2015

digger79 said:
Thanks Wille59 i have tried all that and also replaced plugs on solenoids but fault still remains with p2 solenoid, have tested cables right back even through KPSS switch back to Controller and found no faults

Sounds like you've done your homework. Sadly, I can't tell you where to go next if you've taken all those steps. :beatsme

grandkobelco · Oct 13, 2015

I hate to bring bad news digger79 but i've seen this on mark six's before and I believe the trouble is in the controller itself, I've never been able to repair one, just replace. wes

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