How to maintain an electric forklift

1. Clean the dirt, soil and dirt on the forklift, the key parts are: fork frame and mast slide, generator and starter, battery electrode fork column, water tank, air filter. 2. Check the fastening of each part of the electric forklift, focusing on: fork frame support, lifting chain tightening screws, wheel screws, wheel fixing pins, brakes, and steering gear screws. 3. Check the reliability and flexibility of the electric forklift foot brake and steering gear. 4. Check the leakage of the electric pallet truck, focusing on: various pipe joints, diesel tanks, oil tanks, brake pumps, lifting cylinders, tilt cylinders, water tanks, water pumps, engine oil pans, torque converters, transmissions, drive axles, Main reducer, hydraulic steering gear, steering cylinder. 5. Remove the sediment from the oil filter of the electric pallet truck. 6. Check the distilled water of the electric forklift battery. If it is insufficient, add it in time.
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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