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Common Log Splitter Problems And What To Do When They Appear

Hydraulic Log Splitter systems use pressurised fluid to power a force that is used behind a wedge to split wood. If the log splitter seems weak or not performing as it should then there is a strong likelihood that something is not right with how the splitter system is operating.

To begin with, check your log splitter and the wood you are trying to split. If a log is not splitting all the way through then the log may be too green or too large, meaning that it would require a greater force than your log splitting machine can manage. Also make sure the log is loaded properly and isn’t on an angle or is too long. If this is in order, then take a look at the wedge itself, as with heavy use they can become blunt and stop cutting as they should.

If this is not the case, then a closer look at your hydraulic log splitter’s system will be needed.

Experiencing Vibration Or Shaking When Using The Log Splitter?

These vibrations or shaking could be due to the log splitter being low in hydraulic oil. If the levels look correct when checking this could mean that there is air within the oil lines. To fix this the bleed valve needs to be opened and the pressure plate needs to be cycled back and forth a few times.

Make sure the oil levels are correct and that all valves are secure before using a hydraulic log splitter.

Losing Driving Force When Splitting Wood?

This loss of driving force paired with the pressure plate seeming to move slowly can suggest that there is air in the lines, which is alleviated by opening the bleed valve and cycling the pressure plate back and forth. There could also be an oil leak, so check your lines and seals for any potential leaks or wear that could result in a leak.

Temperature could also be the culprit for loss of driving force, as hydraulic oil is more viscose in cold weather resulting in a weak response until the machine warms up.

If it is not any of the above, then the log splitting machine may require a piston or pump replacement.

Check that the shipping plugs are correctly in place by disconnecting the hydraulic hoses and removing the plugs, then place them back.

Is The Ram Returning?


The nut for the ram has possibly come off the piston if the ram has extended but not retracted. With the engine off, hold open the valve and push it back in using a narrow rod. However, with this issue you may need to bring it in or contact one of the Flowfit team to discuss replacing the nut to prevent damaging your hydraulic log splitter system if you use it again.

 Log splitters are a relatively simple design, making them easy to maintain and fix, but if issues are persisting or you aren’t confident with fixing this machine then please do seek professional advice.

For more information about the services we offer at Flowfit or for advice from our experts, please don’t hesitate to give the team a call on 01584 879 033 or e-mail us at

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