Causes and maintenance methods of common failures of forklifts and pallet trucks

When we use forklifts and trucks to work, we often encounter such and other failures. For our users, Monk Zhang Er is confused. Today, I will give you an analysis of the causes and repair methods of this common failure! 1. The fork does not rise to the highest level. The hydraulic oil is insufficient, so add hydraulic oil. 2. The fork does not rise. There are impurities in the hydraulic oil, so replace the clean hydraulic oil.　　 The pressure relief valve is not adjusted properly, adjust the set screw.　　 There is air in the hydraulic oil, and the air is removed. 3. The fork does not drop. The piston rod of the cylinder is deformed due to unbalanced load. Replace the piston rod or cylinder.　　Parts are damaged or deformed due to unbalanced load, repair or replace related parts.　　 The pressure relief valve is not adjusted properly. Adjust the set screw. 4. Leakage 　　 seals are worn or damaged. Replace with new seals.　　 Parts are cracked or worn. Check and replace with new parts. 5. When there is no pressure relief, the fork drops and there is impurities in the hydraulic oil causing the pressure relief valve to fail to close. Replace the clean hydraulic oil.　　 There is air in the hydraulic oil, and the air is removed.　　The seals are worn or damaged, replace them with new ones. The pressure relief valve is not adjusted properly, adjust tightly. :
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