dhs chain hoist | Xinyu lifting (certified) | Chain Hoist Lifting Machinery Co., Ltd. from Qingyuan Xinyu provided. Qingyuan Xinyu Crane Co. (xyqz0312.1688.com) is specialized in the "chain hoists, lever hoists, electric hoists, multi-function electric hoist, indoor and outdoor lifting machine" of the enterprise, the company adhering to the "integrity management , hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhangsong Song. Chain Hoist features: advanced performance, small size, light weight, reliable performance, easy operation, wide application, for lifting heavy objects, loading and unloading, maintenance equipment, lifting goods is very convenient, it can be installed in suspended workers Word steel, lifting heavy objects on curved track, jib crane rails and fixed lifting point. Electric chain hoist structural features: electric hoist structure: high strength tensile body shell or die-cast aluminum body, the use of thin-walled extrusion molding precision manufacturing chain hoist manufacturers, small size, light weight, high strength. Standard electric chain hoist with an independent transmission system, two coaxial transmission gear mechanism sealed gearbox, using long-life oil bath lubrication system. PM hoist overload protection device dhk clutch for electric chain hoist, DC electromagnetic disc brake using the brake, brake torque, smooth, fast, low noise. Chain hoist troubleshooting chain hoist is a species very common use of tools, a lot of customers in the use of improper operation of the process, it will cause many problems, the solution is as follows: 1, the original line phase electric wrong, leading to the protective effect of phase starts, it can not operate. The solution: two phases of the power cord swapped. 2, the power of the blown fuse or tripped fuse switch no. Solution: Check whether the current demand, replace the appropriate fuse or restart no fuse switch 3, the control circuit fuse burned. Solution: Check and replace the correct fuse. 4, the power cord or wire breakage or control circuit connected. Workaround: poor contact wire breakage and repair or replacement. 5, the power supply voltage is too low. Solution: measured voltage value is less than 10% of the standard supply voltage. 6, the motor sounds climbing frame chain hoist, but did not rotate. Solution: Check the motor phases is correct - and good insulation repair action. 7, the emergency switch is pressed. Solution: Make sure that the cause of the emergency switch is pressed. 8, the contactor bad. Workaround: manually operated hoists, electric chain hoist if the normal operation of electric chain hoist, represents the control coil or wire has poor contact - to find out the location of poor contact and repair; In terms of the operating manual chain hoist is still can not operate, check the main power supply is normal, if the main power is not a title, it is bad contacts, not the normal output, the need to replace the contactor. 9, the contactor coil shorted solution: replace the contactor