Operation method of small crane

There are many users to small crane, crane, portable crane, micro crane, folding small crane and other crane products of the use of the method is not very clear, Shandong China Coal Group, for you to explain the operation of the crane:

First, assemble the crane support part, and then insert the installed support into the bottom hole of the mobile service box. The second generation of high - speed crane screw screw add an appropriate amount of lubricating oil, then tighten the jack nut. Adjust the height of the rotating arm of the crane, and then adjust the length of the wire rope of the pulling arm to fit the lifting object.

Secondly, use the clutch handle of the hoisting machine to pull the clutch out of the state, take out the wire rope from the power box, loosen the screw rope lock above the two pulleys to pass the wire rope through the two pulleys on the bracket and then lock the wire rope lock. Remove the power cord, push button starter and trip switch of the crane, and install the trip switch in the arm end fixing box.

In addition, the power empty load test machine, check whether the crane start switch is flexible, the limit, the trip switch is reliable. When the heat of the hoisting machine reaches the critical value of thermistor switch, the switch breaks off to protect the hoisting machine.