Most users use the manual mini pallet truck when they fail to pay attention to the normal operating procedures, which causes the manual outdoor pallet jack to malfunction, but I don’t know what caused manual mini pallet truck. We know that the reason why the manual outdoor pallet jack does not rise will be timely. After being processed, the manual mini pallet truck plays an irreplaceable role in the whole handling process. Therefore, it is necessary to pay attention to maintenance during the use process, so that our work efficiency can be greatly improved. The following are common faults of manual outdoor pallet jack. Solution:
1, Manual mini pallet truck can not be lowered
Reason analysis: The manual outdoor pallet jack anti-pressure valve is not adjusted, the piston rod position of the cylinder is offset, and the parts are damaged or deformed due to the partial load of the manual mini pallet truck.
Solution: Remove the manual outdoor pallet jack pressure relief valve, replace the manual mini pallet truck piston rod or cylinder, repair or replace the relevant parts
2. When the manual outdoor pallet jack is not under pressure, the fork slips.
Analysis of the cause: There is air in the hydraulic oil of the manual mini pallet truck, there are impurities in the hydraulic oil, the anti-pressure valve is not adjusted well, and the seal is damaged.
Solution: Eliminate the air of the manual outdoor pallet jack, replace the clean hydraulic oil, adjust the pressure relief valve, replace the new seal
3, Manual mini pallet truck fork does not rise
Analysis of the cause: There is impurity in the hydraulic oil of the manual outdoor pallet jack, the pressure relief valve is not adjusted, and there is air in the hydraulic oil.
Solution: Replace the clean hydraulic oil with the manual mini pallet truck, adjust the pressure relief valve, and remove the air from the oil pump.
4, Manual outdoor pallet jack leaks oil
Cause analysis: Manual mini pallet truck seals are worn or damaged, parts are cracked or worn
Solution: manual outdoor pallet jack replace new seals and check for updated parts
5,Manual mini pallet truck does not meet the weight
Analysis of the cause: There are impurities in the hydraulic pressure of the manual outdoor pallet jack, and the one-way valve can not be used.
Solution: Manual truck to replace pure hydraulic oil
6,Manual mini pallet truck crawls when it is empty
Analysis of the cause: Manual outdoor pallet jack of the door frame deformation, the cylinder seal ring is too tight, so that the plunger rod resistance is too large
Solution: Correct the manual lifting door frame or adjust the adjustable screw of the roller shaft to adjust the upper nut of the cylinder
7, Manual mini pallet truck lifts slowly or crawls
Analysis of the cause: The hydraulic system of the manual outdoor pallet jack is seriously leaking, the seal is aging or damaged, and there is air in the hydraulic system.
Solution: Fasten the manual mini pallet truck, drain the oil, adjust the screw to replace the sealing ring, and eliminate the air.
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