Notes:
1). the direction of walkway door to the controlling room is :end, side and top.
2).when used, the rotary part of the hanger of electromagnetic disk must be locked up with screws and norotion is allowed.
3).the lifting capacity includes the dead weight of electromagnetic disk
4).the crane total weight not includes the dead weight of electromagnetic disk and it's auxilliary facilities.
5).the electromagnetic disk is recommended model in the form. and attrating weight is the most capacity of the magnet. the user could choise different model according ti the practical situation