User manual MAKITA HR3210C

[. . . ] WARNING: For your personal safety, READ and UNDERSTAND before using. Model Concrete Capacities Tungsten-carbide tipped bit Core bit Steel Wood No load speed (min-1) Blows per minute Overall length Net weight Safety class · Note: Specifications may differ from country to country. Due to our continuing programme of research and development, the specifications herein are subject to change without notice. Intended use The tool is intended for hammer drilling in brick, concrete and stone as well as for chiselling work. [. . . ] under normal operation , the tool is designed to produce vibration. The screws can come loose easily, causing a breakdown or accident. check tightness of screws carefully before operation. In cold weather or when the tool has not been used for a long time, let the tool warm up for a while by operating it under no load. Be sure no one is below when using the tool in high locations. Do not point the tool at any one in the area when operating. The bit could fly out and injure someone seriously. Do not touch the bit or parts close to the bit immediately after operation; they may be extremely hot and could burn your skin. Some material contains chemicals which may be toxic. Take caution to prevent dust inhalation and skin contact. No load speed Class II Construction revolutions or reciprocation per minute number of blow CAUTION: Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. CAUTION: Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released. MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. CAUTION: Do not look in the light or see the source of light directly. Use a dry cloth to wipe the dirt off the lens of lamp. Be careful not to scratch the lens of lamp, or it may lower the illumination. CAUTION: Before removing the quick change chuck for SDS-plus always remove the bit. Hold the change cover with the thumb and the middle finger and pull it in the direction arrow 1. With the change cover pulled in that direction, hold the chuck cover with the index finger. While holding the chuck cover so, pull out the quick change chuck for SDS-plus in the direction of arrow 2 at a stroke. The revolutions and blows per minute can be adjusted just by turning the adjusting dial. the dial is marked 1 (lowest speed) to 5 (full speed). [. . . ] Maintain good balance and safe footing while holding the tool firmly with both hands to prevent dangerous reaction. After drilling the hole, use the blow-out bulb to clean the dust out of the hole. Turn the tool on and apply slight pressure on the tool so that the tool will not bounce around, uncontrolled. Pressing very hard on the tool will not increase the efficiency. [. . . ]