How to maintain an electric forklift
What kind of failures are prone to electric forklifts? (Five symptoms)
1. Can't start, it may be caused by blown fuse, blocked control circuit, severe short circuit or open circuit of motor winding, short circuit between commutator segments, poor contact of brushes, heavy load or mechanical damage such as bearings . 2. The speed is abnormal, which may be caused by short circuit or open circuit of the winding, incorrect position of the brush and overload, damage to the bearing, low power supply voltage, etc. 3. The sparks of the brush may be caused by poor contact of the forklift brush, uneven surface of the commutator, incorrect position of the brush, dirty surface, short circuit of the commutator or short circuit of the motor winding. 4. High temperature is generated, which may be caused by overload, forklift bearings and oil seals are too tight, damaged or poorly lubricated, shaft core is not correct, armature and magnetic pole phase friction, winding short circuit, brush pressure is too large, incorrect position, poor rectification, etc. Causes. 5. There is noise, mainly caused by the damage of the bearings in the electric forklift parts, the uneven surface of the commutator, and the vibration or friction of the electric brush.
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