1. Users can choose SGDD electric digital display torque wrench of corresponding specifications in the range of 50-3500n. M.

2、控制仪面板上有“扭矩调解旋钮”。刻有0-10个刻度值。细调旋钮的作用是在粗调两档之间进行调节补偿，以提高扭矩控制精度。（见后页）

2. There is a "torque adjustment knob" on the panel of the controller. It is engraved with 0-10 scale values. The function of fine adjustment knob is to adjust and compensate between two gears of rough adjustment, so as to improve the precision of torque control. (see following page)

3、调节方法：国产品出厂时带有扭矩测试数据卡片，供用户标定时参考，用户可根据所需扭矩选择某一刻度值，按拧紧螺栓的操作方法，拧紧螺栓，用测力扳手或其它测力仪器测出螺栓的实际扭矩值，若扭矩相差较小，可用细调加以补偿，若相差较大，可将粗调向上或向下调一档，反复几次即可获得所需扭矩值。

3. Adjustment method: domestic products are provided with torque test data card when they leave the factory for reference when users calibrate. Users can select a certain scale value according to the required torque, tighten the bolts according to the operation method of tightening bolts, and measure the actual torque value of bolts with force measuring wrench or other force measuring instruments. If the torque difference is small, fine adjustment can be used to compensate; if the difference is large, coarse adjustment can be made Up or down one gear, repeated several times can obtain the required torque value.

操作注意事项：

Operation precautions:

1、螺栓直径的大小对控制精度有一定的影响，施工中应用相同型号的螺栓连接付来标定扭矩值，而且使用一段时间后还应进行检验校定。

1. The size of the bolt diameter has a certain impact on the control accuracy. In construction, the same type of bolt connection pair is used to calibrate the torque value, and the inspection and calibration should be carried out after a period of use.

2、工作前应开机空转3-5分钟。操作中如发现电机火花大，声音异常，扭矩不稳定时，应立即停机检查，切勿带病工作。

2. Start the machine for 3-5 minutes before operation. In case of large spark, abnormal sound and unstable torque of the motor during operation, stop the machine immediately for inspection, and do not work with diseases.

3、定期清洗和更换油脂，一般在工作5000次后，应进行一次清洗加油，以延长使用寿命。

3. Regular cleaning and replacement of grease, generally after 5000 times of work, should carry out a cleaning and refueling, in order to extend the service life.

4、主机上的电源开关，碳刷，控制仪上的保险丝等均属易损件，容易引起故障，应经常检查，及时更换。

4. The power switch, carbon brush and fuse on the controller are all vulnerable parts, which are easy to cause failure. They should be checked frequently and replaced in time.

5、使用中如发现工具上的螺钉松动，应及时紧固。

5. If it is found that the screw on the tool is loose, it should be tightened in time.

6、搬运工具时不可提拉电缆线，并注意轻拿轻放，防止震动和摔碰。不用时应放在通风干燥处。如发现受潮应及时进行干燥处理。不可与酸、碱等有害物质气体接触或存放在一起。

6. When handling tools, do not pull the cable, and pay attention to handle with care to prevent vibration and collision. When not in use, it should be placed in a ventilated and dry place. In case of damp, dry it in time. Do not contact or store with acid, alkali and other harmful substances.

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