User manual MAKITA MS4300-4U

[. . . ] Read all these instructions before operating this product and save these instructions. Do not use power tools in damp or wet locations. Do not use power tools where there is risk to cause fire or explosion. Avoid body contact with earthed or grounded surfaces (e. [. . . ] Do not carry a plugged-in tool with a finger on the switch. When tool is used outdoors, use only extension cords intended for outdoor use. Before further use of the tool, a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment of moving parts, free running of moving parts, breakage of parts, mounting and any other conditions that may affect its operation. A guard or other part that is damaged should be properly repaired or replaced by an authorized service center unless otherwise indicated in this instruction manual. have defective switches replaced by an authorized service facility. Do not use the tool if the switch does not turn it on and off. The use of any accessory or attachment, other than those recommended in this instruction manual or the catalog, may present a risk of personal injury. have your tool repaired by a qualified person. This electric tool is in accordance with the relevant safety requirements. Repairs should only be carried out by qualified persons using original spare parts, otherwise this may result in considerable danger to the user. Then tighten the grip by turning clockwise at the desired position. It may be swung 360° so as to be secured at any position. NOTE: The side grip cannot swing 360° when the depth gauge is installed. Sleeve 002454 1 2 For Model HP1500, MS4300-4U To install the bit, place it in the chuck as far as it will go. Place the chuck key in each of the three holes and tighten clockwise. Be sure to tighten all three chuck holes evenly. After using the chuck key, be sure to return to the original position. Adjust the depth gauge to the desired depth and tighten the side grip. NOTE: 1 2 3 • The depth gauge cannot be used at the position where the depth gauge strikes against the tool body. Grip base OPERATION Hammer drilling operation CAUTION: There is a tremendous and sudden twisting force exerted on the tool/bit at the time of hole break-through, when the hole becomes clogged with chips and particles, or when striking reinforcing rods embedded in the concrete. Failure to do so may result in the loss of control of the tool and potentially severe injury. [. . . ] When drilling in wood, metal or plastic materials, depress the action mode changing button from the side with symbol fully to use “rotation only” action. Drilling in wood When drilling in wood, the best results are obtained with wood drills equipped with a guide screw. The guide screw makes drilling easier by pulling the bit into the workpiece. Drilling in metal To prevent the bit from slipping when starting a hole, make an indentation with a center-punch and hammer at the point to be drilled. [. . . ]