As a new type of electric logistics handling equipment, all-electric pallet trucks have taken a place in the vast market. It will take time to replace internal combustion forklifts. As the number of companies using electric pallet trucks in the market increases, they are increasingly worried about the failure of electric pallet trucks in use. How to effectively avoid or eliminate hidden troubles has also become a problem for business owners to worry about.
According to such problems, we deliberately collected and summarized some problems that are prone to occur during the application of electric pallet trucks and how to solve and eliminate such problems during the communication and discussion with the company’s engineering and technical personnel. . Fault phenomena and troubleshooting methods: 1. Shaking during lifting 1. There is air in the lifting cylinder, which can be solved by multiple loading and lifting method exhaust. 2. Hydraulic system oil leakage, repair and replacement of oil seals and hydraulic cylinders. 2. Self-descent when there is a load. 1. If there is oil leakage in the oil pipe or oil circuit joint, the seal can be replaced. 2. Electromagnetic, manual reversing valve and one-way valve are stuck with dirt or the sealing ring is worn out, resulting in internal leakage. Treatment method: clean the valve block and replace the seals. 3. Lifting speed is too slow or unable to lift 1. The oil tank is short of oil, and hydraulic oil needs to be refilled or replaced completely. 2. If the pressure of the overflow valve is insufficient, readjust it. 3. Excessive wear of the oil pump causes internal leakage and needs to be replaced. 4. Electromagnetic, manual reversing valve, one-way valve, safety valve wear or seal wear and aging, need to be updated. 5. The hydraulic oil temperature has been too high for a long time. The hydraulic oil has deteriorated and its viscosity has dropped, resulting in leakage. Replace the hydraulic oil. 4. The driving wheel produces abnormal noise when walking. 1. Hard sundries are mixed in the lubricating oil, and the lubricating oil is renewed. 2. The bearing is excessively worn or damaged and needs to be replaced. 5. Brake failure 1. The control circuit is not disconnected, check the control system. 2. The brake friction lining is worn out, replace it. Six, do not move at all 1. Check whether the electric door lock has been opened or broken. 2. Whether the battery has electricity, the battery is insufficient, and the battery is supplemented. Seven, can not go forward or backward 1. Battery power is insufficient, replenish the power. 2. The walking control micro switch is loosened, and the screw is tightened. 3. The DC contactor is out of order, repair it and replace it. 4. The electronic control board is damaged, repaired and replaced. 5. The drive motor is faulty, check and repair. 6. The brakes are locked, adjust the distance of the brake pads of the driving wheel. 8. The battery life is short and cannot be recharged. 1. The battery's electric solution is insufficient, add distilled water or lead-acid water. 2. The battery is aging, replace with a new battery. 3. Poor contact of the power socket, trim the contact surface. 4. If the battery is seriously broken or damaged, replace the unified battery. Nine, the charger does not work 1. The charger has no display, and the capacitor is blown out. 2. The charger power light is on, the internal capacitor is open or resistive, and the rectifier is damaged.
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