Details
What should I do if the DTH drill bit does not work?
I believe that many customers and friends will encounter the DTH drill bit installed, the air valve is opened, and only hear the exhaust sound of the impactor, but there is no impact.
At this time, you should stop, patiently disassemble, and carefully check the inside of the DTH drill bit, and do not operate brutally.
Generally, check from the following aspects:
① Check whether the internal parts of the impactor have roughness, and use oil stone and sandpaper to polish the roughness after removal. Of course, after polishing, it is necessary to investigate the cause of the roughening.
Ⅰ. Check whether the lubricating oil meets the requirements for use, and require replacement of high-quality rock drilling oil?
Ⅱ. Does the oil supply amount meet the requirement in the lubricating oil dosage table? Check and adjust the oil supply amount?
② Check whether there is any ballast inside, remove it and clean it carefully before installing it. In this step, many construction sites have limited conditions, but diesel oil should also be filled in a basin to clean the impactor parts, and it should not be sloppy.
③Remove the DTH drill bit, check whether any parts are damaged, especially check the cylinder liner, piston, and outer cylinder for cracks, remove the burrs with oilstone and sandpaper after dismantling, replace the damaged parts with new ones, and install them after cleaning!
