Got a problem on my pc 27 when my machine has run for 30 mins the swing is weak and slow , all other functions work fine ,could it be the swing motor , it works fine when first started fast and not weak ,then after about 30 mins work goes bad in both directions , Thanks for any imput .
Sounds like to me . When oil gets hot it thins out and bypasses
Thanks for the input it does sound like thats what is going on .
You will likely need to do a case drain test when the machine is warm to check out the motor. How many hours are on this machine?
just under 3000 hrs on the machine ,
Do you know the model year of the machine? Generally, you don't get those kinds of problems at that amount of hours.
Thanks for the imput so the machine is a pc 27 mr-1 dealer tells me the - 1 repesents the first year of that model another thing is that komatsu tells me is that there is no manufacture date on those machines only a pc - 1 or pc -2 , any way i have a swing motor orderded it should be here soon im going to pull the old one tear it down and see if there is anything obvious going on , its a great little machine ,i want to keep it .
Check filter and pumps for trash
Will do thanks .