Makita 8413D Instruction Manual

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Contents

15Drilling operationCAUTION:• Pressing excessively on the tool will not speed up thedrilling. In fact, this excessive pressure will only serve todamage the tip of your bit, decrease the toolperformance and shorten the service life of the tool.• There is a tremendous force exerted on the tool/bit at thetime of hole break through. Hold the tool firmly and exertcare when the bit begins to break through the workpiece.• A stuck bit can be removed simply by setting thereversing switch to reverse rotation in order to back out.However, the tool may back out abruptly if you do nothold it firmly.• Always secure small workpieces in a vise or similar hold-down device.• If the tool is operated continuously until the batterycartridge has discharged, allow the tool to rest for 15minutes before proceeding with a fresh battery.First, turn the action mode changing ring so that the arrow onthe tool body points to the marking. The adjusting ring canbe aligned in any torque levels for this operation. Then pro-ceed as follows.Drilling in woodWhen drilling in wood, the best results are obtained withwood drills equipped with a guide screw. The guide screwmakes drilling easier by pulling the bit into the workpiece.Drilling in metalTo prevent the bit from slipping when starting a hole, makean indentation with a center-punch and hammer at the pointto be drilled. Place the point of the bit in the indentation andstart drilling.Use a cutting lubricant when drilling metals. The exceptionsare iron and brass which should be drilled dry.