Use and maintenance of electric hoist

 
1 after a new installation or installed after dismantling the hoist should first be empty commissioning times. But not before the installation is complete, avoid power test rpm. (2) should be performed before normal use of the rated load of 125%, up from the ground about 100 mm, a 10-minute static load test, check whether it is normal. Hoist equipment 3 dynamic load test is rated load weight for repeated lifting and move around the test, trial and check the mechanical transmission parts, electrical parts and connecting parts are normal and reliable. 4 In use, the absolute prohibition does not allow circumstances, and exceeds the rated load and nominal hourly closing times (120 times) circumstances. 5 installation and maintenance, must be strictly checked limit device is flexible and reliable, when hook up to the upper limit position, the hook from the shell of the housing to the roll must be greater than 50mm (10t, 16t, 20t must be greater than 120mm). hoist and trolley When the hook down to the lower limit position, should ensure safety rope on the drum circle, circle must be effective and safe in two laps or more. 6 Press the two allowed the opposite direction of the electric hoist movement flashlight door button. 7 After work must supply the total gate opened, cut off the power.