Fill the reservoir with air tool oil or 10W equivalent for 9 lb and 15 lb class. Use rock drill oil for the 38 lb and 60 lb class tools. Check all nuts and bolts to ensure they are tight on the tool. Make sure retainer locks into place. Replace retainer and springs if worn.
[pdf] Modern handheld rock drills incorporate ergonomic designs with vibration-dampening technology, ensuring operator comfort during extended use. They typically offer variable speed controls and multiple drill bit compatibility, accommodating different rock formations and drilling requirements.
[pdf] Try to turn the compressor by hand. It should be possible to turn it around. It should turn around smoothly, without any 'hickups' (be sure to completely shut down the air compressor!). Check the isolation of the motor windings.
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