1

Operation of the hammer, drill rod and the need to be broken into 90 ° Angle.Serious friction between inclined operating rod and inner and outer sleeve will accelerate the wear of inner and outer sleeve.

2

Do not use the rod to pry open the material.The drill rod is often used to pry open the material, which may easily cause the drill rod skew in the bushing, cause the bushing wear too much, reduce the service life of the drill rod, or directly cause the break of the drill rod.

3

The maximum time of each run of the crushing hammer is 15 seconds, and it will be started again after suspension.

4

Do not operate the crushing hammer under full extension or full shrinkage of the piston rod of the hydraulic cylinder to avoid excessive wear of the drill rod.

5

In order to ensure safety, the operation range of the crushing hammer must be between the crawler, and it is forbidden to operate the crushing hammer on the side of the crawler of the miniature excavator.

6

According to different construction projects, micro excavator should choose the right type of drill rod, in order to better achieve the maximum production efficiency.