1.定期检查电源线的使用情况，是否有破裂或断线，如果有破裂或断线
1. Regularly check the use of the power cord to see if it is broken or broken. If it is broken or broken
更换。
Replace.
2.使用前应检查各紧固螺钉是否松动，如果松动应及时紧固，并试转声
2. Check whether the fastening screws are loose before use. If they are loose, tighten them in time and try to turn them
音是否出现异常声音应及时检修。
If there is abnormal sound, it shall be repaired in time.
3.混入异物会引起内套筒滑动损坏，所以要及时清理。
3. Mixing foreign matters will cause sliding damage of the inner sleeve, so it should be cleaned in time.
4.碳刷要定期检查，当碳刷长度少于原长度2/3时要及时更换。
4. The carbon brush shall be inspected regularly. When the length of the carbon brush is less than 2 / 3 of the original length, it shall be replaced in time.
5.用完后要除去油污，擦干净放在干燥处保管。
5. Remove the oil stain after use, wipe it clean and keep it in a dry place.
6.维修或需要更换配件请与本公司联系，以便更好为您服务。
6. For maintenance or replacement of parts, please contact our company to better serve you.
扭力扳手使用方法
Usage of torque wrench
1、扭力扳手使用时，当听到"啪"的一声时，此时是***合适的。
1. When the torque wrench is used, when you hear a "pop", it is appropriate to * * * at this time.
2、在扭力扳手的使用中，首先要根据测量部品的要求选取适中量程，所测扭力值不可小於扭力器在使用中量程的百分之二十，太大的量程不宜用於小扭力部品的加固，小量程的扭力器更不可以超量程使用。
2. In the use of torque wrench, we should first select a moderate range according to the requirements of measuring parts. The measured torque value should not be less than 20% of the range of the torque device in use. Too large range should not be used for the reinforcement of small torque parts, and the torque device with small range should not be used beyond the range.
3、在使用扭力扳手时，先将受力棘爪连接好辅助配件（如套筒，各类批嘴），确保连接已经没问题。在加固扭力之前，设定好需要加固的力值，并锁好紧锁装置，然后调整好方向转换钮到加力的方向。
3. When using a torque wrench, first connect the stressed pawl with auxiliary accessories (such as sleeve and various nozzles) to ensure that there is no problem with the connection. Before reinforcing the torque, set the force value to be reinforced, lock the locking device, and then adjust the direction change button to the direction of force application.
4、测量时，手要把握住把手的范围 ，沿垂直於管身方向慢慢地加力直至听到到达已设定的量值后发出的声音。在施
4. When measuring, hold the range of the handle with your hand and slowly apply force perpendicular to the pipe body until you hear the sound after reaching the set value. In application
力过程中，按照国家标律仪器操作规范，其垂直度偏差左右不应超过10度。其水平方向上下偏差不应超过3度。
In the process of force, according to the national standard law instrument operation specification, the verticality deviation shall not exceed 10 degrees. The horizontal deviation shall not exceed 3 degrees.
5、为了不使测量结果因水平和垂直方向上的偏差而座生影响，在测量时，应在加力把持端上施加一个垂直向下的稳定力。
5. In order not to affect the measurement results due to the deviation in the horizontal and vertical directions, a vertical downward stabilizing force shall be applied on the force application holding end during the measurement.
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