Home > categories > Machinery & Equipment > Excavators > My excavator a KOMATSU PC 300-6 is not swinging left or right and it is shutting off the engine?
Question:

My excavator a KOMATSU PC 300-6 is not swinging left or right and it is shutting off the engine?

My excavator a KOMATSU PC 300-6 is not swinging left or right and it is shutting off the engine?

Answer:

And your question is? you've told me what its doing but I'd really need to physically diagnose your machine to determine what is causing your problem, your talking about a piece of very complex heavy equipment here, not a common motor vehicle, this thing makes your Lexus look like a tinker toy, Dont try and fix this yourself, Bad Things Will Happen if you dont know what your doing, Yes there is a reason Heavy equipment mechanics make more than other mechanics, they have to know a lot more,
go okorder
Well ... your excavator's hydraulic system runs psi in excess of 5,000 lbs. This excavator has built in safety switches designed to turn systems off-line if it detects trouble. This avoids a catastrophic leakage that could be lethal to driver and/or nearby personnel. Any number of reasons temp, hydraulic,or mechanical breakage. Sounds like foreign matter/dirt entered this system keeping the system relief valves from operating?

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