Turn the throttle lever gradually and drill at a slow speed until the hole is collared. The drill should be kept at right angles to the work until the hole is collared, then repositioned for angle drilling. Always apply sufficient down pressure to keep the tool from bouncing.
[pdf] During use, the hydraulic rock drill may experience various failures, such as leakage, stuck drill, and no impact. Upon detecting a fault, promptly cease machine operation for inspection, identifying the cause, and addressing it immediately.
[pdf] Visit the official website of the rock drill manufacturer. Use the search function to find your specific model number. Look for a section on “spare parts” or “accessories.” You should be able to find a list of compatible parts for your model.
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