Makita 3620 Instruction Manual

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Contents

7with progressively deeper bit settings when cutting deepgrooves.CAUTION:When using a bit having total length of 60 mm or more,or edge length of 35 mm or more, the depth of cutcannot be adjusted as previously mentioned. To adjust,proceed as follows:Loosen the lock lever and carefully adjust bit protrusionbelow the tool base to the desired depth of cut bymoving the tool body up or down. Then retighten the locklever to lock the tool body at that depth of cut. Keep thetool body locked at this position during use. Since the bitalways protrudes from the tool base, be careful whenhandling the tool.Adjusting the lock leverFig.5The locked position of the lock lever is adjustable. Toadjust it, loosen the lock lever 3/4 turn and press thecenter of the lock lever. The hex nut will come out. Setthe hex nut to the desired position and tighten the locklever.Switch actionFig.6CAUTION:• Before plugging in the tool, always check to seethat the switch trigger actuates properly andreturns to the "OFF" position when released.To start the tool, simply pull the switch trigger. Releasethe switch trigger to stop.ASSEMBLYCAUTION:• Always be sure that the tool is switched off andunplugged before carrying out any work on thetool.Installing or removing the bitFig.7CAUTION:• Install the bit securely. Always use only thewrenches provided with the tool. A loose orovertightened bit can be dangerous.• Do not tighten the collet nut without inserting a bit.It can lead to breakage of the collet cone.Insert the bit all the way into the collet cone and tightenthe collet nut securely with the two wrenches.A 6 mm or 1/4" collet cone is also provided as standardequipment besides the 8 mm or 3/8" collet cone that isfactory installed on the tool. Use the correct size colletcone for the bit which you intend to use.To remove the bit, follow the installation procedure inreverse.OPERATIONSet the tool base on the workpiece to be cut without thebit making any contact. Then turn the tool on and waituntil the bit attains full speed. Lower the tool body andmove the tool forward over the workpiece surface,keeping the tool base flush and advancing smoothly untilthe cutting is complete.When doing edge cutting, the workpiece surface shouldbe on the left side of the bit in the feed direction.Fig.8NOTE:• Moving the tool forward too fast may cause a poorquality of cut, or damage to the bit or motor.Moving the tool forward too slowly may burn andmar the cut. The proper feed rate will depend onthe bit size, the kind of workpiece and depth of cut.Before beginning the cut on the actual workpiece, itis advisable to make a sample cut on a piece ofscrap lumber. This will show exactly how the cutwill look as well as enable you to checkdimensions.• When using the straight guide, be sure to install iton the right side in the feed direction. This will helpto keep it flush with the side of the workpiece.Fig.9Straight guideFig.10The straight guide is effectively used for straight cutswhen chamfering or grooving.To install the straight guide, insert the guide bars into theholes in the tool base. Adjust the distance between thebit and the straight guide. At the desired distance,tighten the wing bolts to secure the straight guide inplace.Fig.11When cutting, move the tool with the straight guide flushwith the side of the workpiece.If the distance (A) between the side of the workpiece andthe cutting position is too wide for the straight guide, or ifthe side of the workpiece is not straight, the straightguide cannot be used. In this case, firmly clamp astraight board to the workpiece and use it as a guideagainst the router base. Feed the tool in the direction ofthe arrow.Fig.12Templet guide (Accessory)Fig.13The templet guide provides a sleeve through which thebit passes, allowing use of the tool with templet patterns.To install the templet guide, loosen the screws on thetool base, insert the templet guide and then tighten thescrews.