Many truck mounted crane car owners will encounter during the job field coil motor suddenly stops running conditions, the motor can not rise or fall but other hydraulic mechanism can be a normal operation, this time lifting mechanism operating handle pressure gauge above The display is 0. Many people are very scared to see this situation, do not know what caused the cause. In fact, this situation is mainly caused by the fault of the truck crane, then where did the truck crane malfunction? Because of this failure, the hydraulic mechanism can operate normally, so we can temporarily eliminate the problem of failure of the hydraulic pump. If the hydraulic pump fails, the hoist will only run slower without stopping the operation. The handle pressure of the mechanism is 0, then we can judge that there is a problem on the overflow valve of the winch circuit. After the relief valve circuit judge winch problem, we first need to remove the main pressure relief valve checks if the main relief after cleaning and inspection of the fault still exists, we need to observe the main truck mounted crane car Overflow is a remote pilot control and it is necessary to remove the plug to see if the fault can be removed. If the indicator light is bright during the operation of the solenoid valve, but there is no sound when the solenoid valve operates normally, we need to suspect that the return spring in the solenoid valve is broken, causing the gravity of the core. The role of the valve stem is promoted, causing it to change the direction and thus causing the winch circuit without pressure. If this is the case, we need to replace the return spring, so that the phenomenon of truck crane failure is eliminated. Crane car during a job if a failure occurs, we can hoist motor in accordance with the above techniques to the investigation and one by one, through a wide range of troubleshooting, fault can be resolved. During the job, if the operator finds that the machine is faulty, it must immediately stop the operation, check the unfavorable factors, and continue to work until the safety is confirmed, so as to avoid danger. Wuxi Swif International Trade Co., Ltd. We have professional sales team. Electric Coffee Grinder,Coffee Bean Grinder,Electric Coffee Bean Grinder,Grind Control Coffee Maker Wuxi Swif International Trade Co., Ltd. , https://www.swifglobal.com
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How to Observe the Fault of the Truck Crane from the Fault of the Rolling Machine