![]() ![]() We suspected this because there was foam in the oil, pointing to air in the suction side. Logically, there can be no problem on the ‘out’ side, as it would then leak hydraulic oil. The hydraulic pump has a suction side (in) and a pressure side (out). In consultation with the customer, we left the new hydraulic pump in place, as the old one had been running on air for some time and was making unpleasant noises. After the pump was disassembled and exchanged for the new one, we started the tractor and soon found out that it had done nothing. This can be partly seen in the video that will be added to this blog. ![]() With full courage and tools, we went to the customer and changed the hydraulic pump (very simple). The hydraulic pump as it made different noises and we had the feeling it was at the end.Plungers that are known to malfunction or refuse to operate because of dirt (we will come back to this later) could not be the problem. These sometimes get clogged up, but that was obviously not the case in this instance. In this case, it was clear to us that the hydraulic filter was new and that this could not be the problem. Rear linkage similar to the front loader, slow and not strongĪt the start, you listen to the customer and come up with a scenario.Hydraulic pump makes noises and sounds defective.Front loader operates slowly and shakes.Recently we made a video of a Kubota L1802 that had problems with the front loader. First problem: Kubota L1802 with front loader Let it be clear that this blog is about hydraulic pumps and any other related problems. Unfortunately, we have not filmed or photographed all of these situations, but we can do our best to tell you about them using facts and examples. ![]() In the past we have had several cases with a rear linkage that does not work or moves slowly. ![]()
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December 2022
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