What causes an excavator to lose Power?

If you are losing power under a load, the problem could be fuel system related or air intake system related as well as potentially a hydraulic system problem putting the engine under an excessive load. Finally, have your hydraulic pressures tested and confirmed they are within factory specifications.

What’s the problem with the hydraulics on a bobcat?

The problem is the boom has very little power. All of the other hydraulics are very strong. Machine runs great and seems to be making rated power. All filters are new and the hydraulic oil was recently changed (1000 hour service). All OEM parts are being used.

How can I test my Bobcat 328 excavator?

Here is the testing I have done so far: Boom and stick cylinders were recently re-sealed. To make sure the cylinder wasn’t leaking internally I disconnected one line to the boom cylinder, with the machine running, lock out arm down, I moved the cylinder the opposite direction of the disconnected line and held it there.

What’s the problem with my Cat 211 excavator?

My Cat 211 LC excavator’s drive is slowing down. No speed or power in high and very slow in low range. The machine tracks straight and steers normal, Just very slow. Any thoughts? Appreciate any help …

Is there hydraulic problem on bobcat 328 excavator?

All of the other hydraulics are very strong. Machine runs great and seems to be making rated power. All filters are new and the hydraulic oil was recently changed (1000 hour service). All OEM parts are being used.

Is the hydraulic oil on my Bobcat good?

Machine runs great and seems to be making rated power. All filters are new and the hydraulic oil was recently changed (1000 hour service). All OEM parts are being used. When I say the boom is weak I can easily lift the machine off the ground with the blade or bucket cylinder, but not with the boom cylinder.

Why is my Bobcat excavator leaking fluid?

My thought was that if it is leaking internally putting all the pressure on the opposite side of the rod seals would cause fluid to come out the disconnected line, none did. I have also used a test gauge on the diagnostic port and found all the test pressures listed in the service manual to be right on spec.

What causes an excavator to lose Power?