1. 一般情况下，选用II类手持式电动机，安装漏电保护器，额定冲击动作电流不大于15mA，额定动作时间小于0.1秒。如果使用I类手提电动工具，也必须是零保护。操作人员必须戴绝缘手套、穿绝缘靴或站在绝缘垫上。
1. Generally, type II hand-held motor is selected and leakage protector is installed. The rated impulse action current is not more than 1, and the rated action time is less than 0.1 seconds. If you use Class I safe hand-held electric tools, it must also be zero protection. Operators must wear insulating gloves, insulating boots or stand on insulating pads.
2. 在潮湿的地方或金属框架上操作时，必须选择II类手持电动工具，并且必须安装防溅泄漏保护器。严禁使用I类手提电动工具。
2. When operating in wet places or on metal frames, Class II safe hand-held electric tools must be selected and anti-splash and leakage protectors must be installed. It is strictly forbidden to use Class I safe hand-held electric tools.
3.在狭窄的地方(锅炉、金属容器、沟槽、管道等)，宜使用带隔离变压器的III类手持电动工具;II类手提电动工具必须配备防溅装置。在狭窄处安装隔离变压器或漏电保护器。
3. In narrow places (boilers, metal containers, grooves, pipes, etc.), Class III hand-held power tools with isolation transformers should be used; Class II hand-held power tools must be equipped with anti-splash devices. Install isolation transformer or leakage protector in narrow area.
扭剪扳手
Torsion wrench
4、手持电动工具的载重线必须是耐候橡胶护套铜电缆，且无接头。禁止使用塑料纱线。
4. The load line of hand-held electric tools must be weatherproof rubber sheathed copper cable without joint. Plastic yarns are prohibited.
5. 砂轮接触湿气、变形、裂纹、断裂、切边或接触油、碱等，不得使用。受湿气影响的砂轮叶片不能自行干燥。砂轮与接头软垫应安装牢固，螺母不宜过紧。
5. The grinding wheel shall not be used when it is in contact with moisture, deformation, crack, fracture, trimming or oil or alkali. Wheel blades affected by moisture cannot be dried by themselves. Grinding wheel and joint cushion should be firmly installed, nuts should not be too tight.
6. 操作前检查:
6. Check before operation:
(1)外壳、手柄无裂纹、损坏;
(1) There are no cracks or damages in the shell and handle;
(2)保护零位接线正确、牢固、可靠，电缆线、插头完好，开关运行正常，注意开关的操作方法;
(2) Protect correct, firm and reliable zero-position wiring, intact cable and plug, normal operation of switch, pay attention to the operation method of switch;
(3)电气保护装置良好可靠，机械保护装置齐全。
(3) The electrical protection device is good and reliable, and the mechanical protection device is complete.
7. 开机后空操作，检查工具操作应灵活、畅通。
7. Flexibility and smoothness should be ensured in the operation of check tools after boot-up.
8、手持式电动工具(电动扳手)，操作时增加的力要平衡，不要太用力。
8. Hand-held electric tools (electric wrenches) should balance the increased force during operation and not exert too much force.
9. 严禁超载。请随时注意音响及温升。
9. No overloading. Please pay attention to the sound and temperature rise at any time.
10. 操作中不得触摸电动工具(电动扳手)。
10. Electric tools (electric wrenches) should not be touched in operation.
机器运行时不要停止。
Do not stop when the machine is running.
使用电动工具(电动扳手)注意事项;
Cautions for using electric tools (electric wrenches);
(1)扳手头应推在工件上，不得空打空推;
(1) The wrench head shall be pushed on the workpiece and shall not be pushed empty;
(2)工件上必须垂直支撑，不要让螺栓晃动;
(2) The workpiece must be supported vertically and the bolts should not be shaken.
(3)使用大扭矩电动工具(电动扳手)，作业现场应围绕护栏设置。地面应有坚实的作业平台。
(3) With large torque electric tool (electric wrench), the operation site should be set around guardrail. The ground should have a solid operating platform.
以上是
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