during the demolition works, the strokes in soft or light materials DRH 900 650S / are called idle strokes. This happens when the piston does not stroke the hammer tool, and the impact force and energy is absorbed by bolts and the tool retaining screws and not by the tool itself. This causes
DO NOT BEND Using the power of the arm of the hammer to break, or using the tool of the hammer as a lever sooner or later it will break. The same thing occurs when the DRH / 900 650S tool leans incorrectly or when it is introduced continuously between cracks.
LOW TEMPERATURES At low temperatures it is recommended that the 900 / DRH 650S tools be heated before use and if it is possible use at low speed for a progressive increase in temperature of the machinery.
