The pressure type fuel tank of the electric hydraulic elevator should always pay attention to the air pressure of the fuel tank during work, and its pressure must be kept within the range specified in the accompanying 'Instruction Manual'. If the pressure is too low, the oil pump will easily be damaged due to insufficient oil suction. If the pressure is too high, the hydraulic system will leak oil and easily cause the low-pressure oil circuit to burst. For the equipment after maintenance and oil change, after exhausting the air in the system, check the oil level according to the 'Instruction Manual' provided with the machine, stop the machine in a flat place, and recheck the oil level after the engine is turned off for 15 minutes, if necessary Be supplemented. Other precautions for electro-hydraulic elevators During operation, the falling rocks should be prevented from hitting hydraulic cylinders, piston rods, hydraulic tubing and other components. If there is a small click injury on the piston rod, use a whetstone to grind away the edges around the small point in time to prevent damage to the sealing device of the piston rod. You can continue to use it without oil leakage. For equipment that has been stopped continuously for more than 24 hours, the hydraulic pump should be filled with oil before starting to prevent the hydraulic pump from being damaged by dry grinding. Precautions for regular maintenance of hydraulic lifts At present, some construction machinery hydraulic systems are equipped with intelligent devices. This device has a warning function for some hidden dangers in the hydraulic system, but its monitoring range and degree have certain limitations. Therefore, the inspection and maintenance of the hydraulic system should be The monitoring results of smart devices are combined with regular inspections and maintenance.
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