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How to deal with these failures of electric pallet trucks

     Electric trucks are mainly responsible for moving goods. They can be seen everywhere in factories, warehouses and other places. They are the same as forklifts. They have been used for a long time and have some problems. How to deal with these failures of electric pallet trucks?

1. Shaking when ascending

Solution:

1. There is air in the lifting cylinder, which can be solved by exhausting the load multiple times;

2. The hydraulic system leaks, repairs or replaces;

2. Self-descent when there is a load

Solution:

1. If there is oil leakage in the pipeline or oil circuit joint, replace the seal;

2. Electromagnetic, manual reversing valves, check valves are stuck with stolen goods or the sealing ring is worn out, resulting in internal leakage, clean the valve block and replace the sealing parts;

3. The lifting speed is too slow or cannot be lifted

Solution:

1. The oil tank is short of oil, and the hydraulic oil needs to be refilled or replaced completely;

2. The oil filter is blocked and needs to be cleaned with kerosene;

3. If the pressure of the overflow valve is insufficient, readjust it;

4. Excessive wear of the oil pump causes internal leakage and needs to be replaced;

5. Electromagnetic, manual reversing valves, one-way valves, two-way valves are worn or the seals are worn out and need to be replaced;

6. The seals of the lifting cylinder are worn, aging, and need to be replaced;

7. If the hydraulic oil temperature is too high for a long time, the hydraulic oil has deteriorated and its viscosity has dropped, resulting in leakage. Replace the hydraulic oil;

Fourth, the walking driving wheel produces abnormal noise

Solution:

1. If hard debris is mixed into the lubricating oil, replace the lubricating oil;

2. The bearing is excessively worn or damaged and needs to be replaced;

Five, brake failure

Solution:

1. The control circuit is not disconnected, and the scissor control system;

2. The brake friction lining is worn and needs to be replaced;

Six, do not move at all

Solution:

1. Check whether the electric door lock has been opened or broken;

2. Whether the battery has electricity, the animal battery is insufficient, and the electricity should be supplemented;

3. Whether the power socket has been plugged in tightly, whether the emergency switch is in the off state, and whether the fuse inside the machine is blown;

Seven, cannot rise and fall

Solution:

1. If the micro switch in the control switch is loose or malfunctioning, the reset switch spring is loose, and the screw can be tightened;

2. The oil circuit of the hydraulic oil valve is blocked and needs to be cleaned;

3. The wiring of the DC contactor for lifting is loose or out of order;

8. Decline too fast

Solution:

If the flow of the hydraulic valve is too large or too small, change the slow flow valve, "larger is fast, small is slow".


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