脚踩点焊机底部应放于平坦的地面，不需特殊地基，焊机与电源间须装闸刀开关与保险丝。为使电压降不大于初级电压的5%，应按额定电流选择相应的电源输入线。焊机使用前要用500V兆欧表测试焊机高压侧与机壳之间绝缘电阻不低于2.5兆欧方可通电。检修时要先切断电源，方可开箱检查。

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