Haili electric forklifts use DC motors as auxiliary power units, and to ensure safe and efficient operation, the following precautions must be strictly followed during usage:
The DC motors used in our Haili electric forklifts are specifically designed for battery-powered industrial vehicles such as forklifts, stackers, and utility vans. These motors are manufactured under strict conditions and should be operated within the following environmental limits: maximum altitude of 1200 meters, ambient temperature not below 25°C, and no condensation should form on the motor surface. The brush center position has already been adjusted at the factory, and users are not allowed to disassemble or adjust the motor after purchase.
1. Always follow the operating instructions provided by Haili.
2. Keep the motor dry, clean, and well-ventilated. Ensure the surrounding temperature is not too low.
3. When checking the motor’s drying condition, always turn off the power supply to avoid accidents.
4. Use a 250V megohmmeter to measure the cold insulation resistance. For motors with less than 45V, the resistance should be at least 0.5 MΩ; for 45V–110V motors, it should be at least 1 MΩ.
5. If the drying requirements are not met, place the motor in a dry room or use a drying method. During the drying process, monitor the coil temperature carefully and check the insulation resistance to ground.
6. Ensure the armature rotates smoothly without any obstruction.
7. Check that all motor connections are securely fastened.
8. The brushes should move freely inside the housing, and the brush surface should remain clean.
9. Regularly check the coil insulation resistance.
10. If a motor failure is detected, stop the equipment immediately. The maximum voltage applied to the motor should not exceed 1.1 times the total nominal voltage of the battery pack.
11. Keep the motor casing clean and remove any dirt to ensure proper heat dissipation.
12. Inspect the gear system, brushes, and other components at least once every six months.
These guidelines are essential for the safe and long-term operation of the Haili electric forklift’s DC motor. Please strictly adhere to the operating procedures to ensure optimal performance and safety.
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