一，使用方法：
1、 Usage:
1、 用扳手内套筒完全插进螺栓尾部梅花头部分，同时向前推动扳手，内套筒后退，使外套筒完全套住螺母，若不能完全套住螺母请左右转动扳手并向前用力。
1. Insert the internal sleeve of the wrench into the plum head part of the tail of the bolt, and push the wrench forward at the same time. The inner sleeve will move backward to make the outer sleeve completely cover the nut. If the nut cannot be completely covered, turn the wrench left and right and force forward.
2、 扣动扳手开关，使其旋转。
2. Turn the wrench switch to rotate.
3、 拧断梅花头，紧固结束，同时扣动板机弹出梅花头。
3. Screw off the plum blossom head and fasten it. At the same time, pull the board machine to pop out the plum blossom head.
二，套筒更换：
2、 Sleeve replacement:
1、 把扳手外部的两个定位螺钉松开，把外套筒、内套筒及内套筒弹簧取出。
1. Loosen the two set screws on the outside of the wrench and take out the outer sleeve, inner sleeve and inner sleeve spring.
2、 先装上内套筒的弹簧及所换内套筒，然后装上相应的外套筒，前壳体凸起部与外套筒凹下部相连接，并把两个定位螺钉拧紧。
2. First install the spring of the inner sleeve and the replaced inner sleeve, and then install the corresponding outer sleeve. The convex part of the front shell is connected with the concave lower part of the outer sleeve, and the two positioning screws are tightened.
三，检查与维修
3、 Inspection and maintenance
1、 定期检查电源线，如果有破裂或断线应及时更换。
1. Check the power line regularly, and replace it in time if it is broken or broken.
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，并试转声音是否正常，如果出现异常声音应及时检修。
2. If the fastening sound is abnormal, check whether the fastening sound is normal before use.
保持内外套筒清洁不得混入杂物。
Keep the inner and outer sleeves clean and do not mix with foreign matters.
用完本机后应擦拭干净存放于干燥处
After using the machine should be wiped clean and stored in a dry place
四，注意事项：
4、 Precautions:
1、 本机所用电源应在本机规定的范围内，否则会造成机器故障。
1. The power supply used in this machine should be within the range specified by the machine, otherwise it will cause machine failure.
2、 不可在雨天或潮湿的环境中使用本机，以免漏电。
2. Do not use the machine in rainy days or humid environment to avoid electric leakage.
3、 使用本机高空作业时，请系好带，在操作点下方严禁站人及放置贵重物品。
3. When working at height, please fasten your safety belt. It is strictly forbidden to stand under the operation point and place valuables.
4、 使用本机时需远离易燃易爆物品。
4. Keep away from flammable and explosive materials when using the machine.
5、 严禁破坏电源线及使用电源线拖拉本机。
5. It is strictly forbidden to damage the power cord and use the power cord to drag the machine.
6、 检查及维修本机时应先切断电源。
6. Cut off the power supply before checking and repairing the machine.
7、 严禁过重碰撞本机。
7. It is strictly forbidden to collide with the machine.
8、 当机器发烫或环境温度大于35℃时，应停止使用。
8. When the machine is hot or the ambient temperature is higher than 35 ℃, stop using it.
9、 定期检查碳刷，当碳刷长度小于原长度2/5时，应及时更换。
9. Check the carbon brush regularly. When the length of the carbon brush is less than 2 / 5 of the original length, it should be replaced in time.
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