User manual MAKITA PS420

[. . . ] Hold power tool by insulated gripping surfaces, when performing an operation where the fastener may contact hidden wiring. Fasteners contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock. Be sure no one is below when using the tool in high locations. A battery short can cause a large current flow, overheating, possible burns and even a breakdown. [. . . ] FUNCTIONAL DESCRIPTION CAUTION: • Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking function on the tool. installing or removing battery cartridge (Fig. 1) CAUTION: • Always switch off the tool before installing or removing of the battery cartridge. €¢ Hold the tool and the battery cartridge firmly when installing or removing battery cartridge. Failure to hold the tool and the battery cartridge firmly may cause them to slip off your hands and result in damage to the tool and battery cartridge and a personal injury. To remove the battery cartridge, slide it from the tool while sliding the button on the front of the cartridge. To install the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Insert it all the way until it locks in place with a little click. installing or removing battery cartridge (Fig. CAUTION: • Always install the battery cartridge fully until the red indicator cannot be seen. If not, it may accidentally fall out of the tool, causing injury to you or someone around you. When the battery cartridge is discharged almost completely, voltage will drop and the fastening torque will be reduced. Driver bit or socket bit Failure to use the correct size driver bit or socket bit will cause a reduction in the fastening torque. Bolt • Even though the torque coefficient and the class of bolt are the same, the proper fastening torque will differ according to the diameter of bolt. €¢ Even though the diameters of bolts are the same, the proper fastening torque will differ according to the torque coefficient, the class of bolt and the bolt length. The manner of holding the tool or the material of driving position to be fastened will affect the torque. Operating the tool at low speed will cause a reduction in the fastening torque. For tool with deep bit hole A=17 mm B=14 mm A=12 mm B=9 mm 011405 To install these types of bits, follow the procedure (1). To install these types of bits, follow the procedure (2). (Note) Bit-piece is necessary for installing the bit. Procedure (1) To install the bit, pull the sleeve in the direction of the arrow and insert the bit into the sleeve as far as it will go. Then release the sleeve to secure the bit. [. . . ] 6 OPTIONAL ACCESSORIES CAUTION: • These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose. If you need any assistance for more details regarding these accessories, ask your local Makita Service Center. [. . . ]