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 inner sleeve of the wrench completely into the box head at the tail of the bolt, and push the wrench forward at the same time. The inner sleeve retreats 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 by turning it.
3、 拧断梅花头，紧固结束，同时扣动板机弹出梅花头。
3、 Unscrew the plum blossom head, tighten it, and pull the trigger to pop up the plum blossom head at the same time.
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 outside 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 tighten the two set screws.
