Hydraulic oil leakage is a significant symptom of serious underlying issues, like weak digging force and slow-moving/working. If you find there is little oil stain/oil ring on the cylinder or the accumulation of dust or impurities on the cylinder rod, that means you are facing the problem of a leaking oil cylinder or a
First, test the output power of the engine itself. Following parts you may need to check air valves https://www.fridayparts.com/engine-spare-parts/intake-exhaust-valve fuel injectors https://www.fridayparts.com/engine-spare-parts/injectors-nozzle turbocharger https://www.fridayparts.com/engine-spare-parts/turbocharger hydraulic pump https://www.fridayparts.com/hydraulic-parts/hydraulic-pump-parts If the output power of the engine is lower than the rated power, the causes of the failure are as follows: Poor fuel quality; Low fuel pressure;
