1)维修前的准备 1) preparation before maintenance ① 査阅维修设备的组装图和准备维修部位的零件图，以便熟悉了解零部件的安装位置、工作条件要求及制造精度。 1) refer to assembly diagram and preparation of maintenance equipment maintenance parts of a part drawing, so that understanding of parts installation location, working condition requirements and manufacturing precision. ② 制定设备维修方案，安排修理零部件的拆卸顺序和维修方法。 Set up equipment maintenance plan, arrange repair order and maintenance method of repair parts. ③ 准备检测仪器和拆卸安装工具。 Prepare the instrument and remove the installation tool. ④ 按更换零件图纸检测更换件的制造质量及配合尺寸是否达到要求。 To determine the quality of the replacement parts and the requirements of the matching dimensions according to the replacement parts drawings. (2) 维修钳工工作须知 (2) maintenance work instructions ① 设备维修前要切断设备供电电源，供电合闸部位挂上"有人操作，禁止合闸"的指示牌。 Before the equipment is repaired, the power supply shall be cut off, and the power supply will be put into the "operator's operation, the closing of the closing" sign. ② 使用手电钻时，检查手电钻是否接地或接零线，工作时要戴绝缘手套，穿绝缘胶鞋。 When using the electric drill, check whether the electric drill is ground or zero, and wear insulating gloves and insulating rubber shoes when working. ③ 使用手持照明灯，电压应小于36V。 Using a handheld lamp, the voltage should be less than 36V. ④ 不许用手触摸转动零件和螺纹部位。 Don't touch the parts and threads with your hands. ⑤ 拆洗零部件时常用汽油或柴油，工作现场严禁烟火。 The parts are often used for gasoline or diesel, and fireworks are strictly forbidden at work. ⑥ 使用手锤时要首先提示周围工作人员注意安全。 When using a hammer, you should first indicate the safety of the staff around you. ⑦ 移动搬运重物时，要有一人统一指挥。 When moving heavy objects, there is a unified command.