The tower crane (crane) is in place, its safety condition is checked on
site, and then the trial hoisting is carried out. During the trial
hoisting, the conditions of various parts are checked, and the formal
hoisting is carried out after confirming that there is no abnormality.
(1) Hang the sling on the hook, and then hook the four hooks into the lifting holes on the base of the diesel generator set;
（2）确定吊钩放好后由指挥人员指挥吊型线 流水槽模具 景观石 检查井钢模具 保定通风管道 重庆窗帘 隔离墩模具 保定保洁公司车司机缓慢吊起柴油发电机组，然后静滞在吊装孔上方；
(2) After the lifting hook is put in place, the commander instructs the
crane driver to slowly lift the diesel generator set, and then stay
above the lifting hole;
(3) The underground commander instructs the crane driver to make the
unit fall vertically on the steel pipe erected in advance at the
appropriate position, and the lifting work is completed.