Regulations for the use and maintenance of electric hoist for jib crane accessories

05 Feb 2021 News
1. The electric hoist that is newly installed or installed after disassembly and inspection should first be tested for several times in an empty car. But before the installation is complete, do not try to turn on the power. 2. Before normal use, perform a static load test with a rated load of 125, lifting about 100 mm from the ground, and 10 minutes to check whether it is normal. 3.The dynamic load test is to perform repeated lifting and moving left and right tests with the rated load weight. After the test, check whether the mechanical transmission part, electrical part and connection part are normal and reliable. 4. During use, it is forbidden to use it in an environment that is not allowed, and under maximum overload load and rated closing times per hour (120 times). 5. When installing, debugging and maintaining, you must strictly check whether the limit device is close to the river. When the hook rises to the upper limit position, the distance between the hook shell and the drum shell must be greater than 50mm (10t, 16t, 20t must be greater than 120mm). When the hook is lowered to the lower limit position, the safety ring of the wire rope on the drum should be ensured, must be more than 2 laps. 6. It is not allowed to press two flashlights [buttons that make the electric hoist move in opposite directions at the same time. 7. After the work is completed, the main switch of the power supply must be opened to cut off the power supply. 8. The electric hoist should be operated by a dedicated person, and the operator should fully grasp the security operation regulations, and it is strictly forbidden to pull the inclined crane. 9. The electric hoist must be inspected regularly by special personnel during use, and timely measures should be taken when any malfunction is found, and carefully recorded. More information please contact us for free!