What should be paid attention to during the drilling operation of hydraulic drilling machine?

(1) adjust the axial pressure through the pressure reducing valve according to the change of rock.

(2) regularly adjust the clearance between the sliding plate and the sliding frame, and the tightness of the pushing strip.

(3) pay attention to drilling and troubleshooting. If there is no footage, the drill pipe swings violently, there is abnormal sound and the impactor does not work, the machine shall be stopped immediately for inspection.

In case of any abnormal condition during drilling operation, the hydraulic drilling machine shall be shut down immediately to prevent failure of the drilling machine or personal safety accident