Makita DBM230 Original Instructions Manual

Also see for DBM230: Operating instructions Original instructions

Contents

troubleshooting

Gear shiftingThe DBM 230 is equipped with a mechanical 3-gears transmission in oil bath.Adjust the rotation speed of the engine to the drill diameter (for details seeidentification plate).Turn the gear switch to a faster/slower gear until it arrests. Gears must only beshifted when the engine is at stand-still. It may be necessary to support theswitching operation by slightly turning the lead screw.Warning!Never use force, shift gears only when the motor decelerates or is at stand-still!Do not use tools e.g. wrenches, hammers for gear shifting!Changing the drill bitCaution!The tool is heavy and may heat up during operations orsharpening. You could burn your hands, cut, tear orsquash yourself on the segments.Before working on the equipment pull the power plug.Raise the engine retainer with the core drill until itarrests in the final position. Always wear protectivegloves when changing tools.The drill spindle has a right-hand thread.To retain the spindle use an open-end wrench 32mm on the drill spindle.Never remove the drill bit by hitting it (with a hammer) as this will causedamage to the core drill tool. Putting some waterproof grease on the drillspindle thread and a copper ring placed between the spindle and the drill bitwill further facilitate the removal of the drill bit.Operating the drill unitIn order to safely operate the tool, please observe the following notes:Details to the work area Keep the work area free of everything which could obstruct operations. Provide for adequate illumination of the work area. Adhere to the regulations concerning the power supply.