Repair of rock drill leg

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. Rotate the chuck bushings to ensure that pawls are engaging. [pdf]

Air Leg Rock Drill Instructions

Install the drill rod and bit, and connect the air and water hoses. Place the air leg in a stable position and adjust the angle of the rock drill. Turn on the air and water supply, start the rock drill, and begin drilling. [pdf]