Hi,i have a kobelco sk135sr-1E s/n:YY01-00722.It was running good but now all the functions goes slow.There have no smoke problem. I have done all things like changing all filters,fuel pump and nozzles are in good condition. The hydraulic pump is also in good conditions.The hydraulic sensors are also good.Now how can i release from this problem.Can any one help me
When you say the hydraulic pump is in good condition does that mean you flow tested it?
No.the machine said the hydraulic pump is ok