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Message: <blockquote data-quote="Handyfixer" data-source="post: 96379" data-attributes="member: 13772"><p>Hi Tazza, Thanks for the reply. The only strange sound I'm hearing is when I'm lifting the bucket completely upward and the lifting cylinders are completely at the end of their stroke. When I keep on pushing onto the pedal the pump is making a strange noise. Personally I have the impression that the flow of the pump is not high enough, which results in the fact that the cylinder stops until sufficient oil has been pumped and the cylinder starts to move again. Air in the suction line would also be possible but I don't see a leakage nor crack in the suction hose of the oil pump and the oil level is OK... Strange though is that the pump must built up pressure as lifting weight is not a problem. The previous owner was telling me that the filter was recently replaced. As I don't have technical information about the filter element, I would not be surprised this filter might be the correct one and is restricting the oil to pass fast enough... Hope this explanation will enable you to provide some new idea's. Best regards,</p></blockquote><p></p>