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User manual Makita, model 6913D

Manafacture: Makita
File size: 685.87 kb
File name: 6913.pdf

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. ." for about 20 seconds, a problem exists and charging is not possible. The terminals on the charger or battery cartridge are clogged with dust or the battery cartridge is worn out or damaged. 0 If you wish to charge two battery cartridges, allow 15 minutes between chargings on the fast charger. Installing or removing bit CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before installing or removing the bit. Use only the driver bit or socket bit shown in the figure. Do not use any other driver bit or socket bit. 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. I Sleeve I To remove the bit,pull the sleeve in the direction of the arrow and pull the bit out firmly. NOTE : If the bit is not inserted deep enough into the sleeve, the sleeve will not return to its original position and the bit will not be secured. In this case, try re-inserting the bit according to the instructions above. Switch action Tool speed is increased by increasing pres- sure on the trigger. To start the tool, simply pull the trigger. Release the trigger to stop. Switch trigger CAUTION: Before inserting the battery cartridge into the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released. Reversing switch action This tool has a reversing switch to change the direction of rotation. Move the revers- I ing switch to the left for clockwise rotation or to the right for counterclockwise. I CAUTION : Always check the direction of rotation before operation. Use the reversing switch only after the tool comes to a complete stop. Changing the ' direction of rotation before the tool stops may damage the tool. Operation The proper fastening torque may differ depending upon the kind or size of the screw, the type of material to be fastened, etc. The relation between fastening torque and fastening time is shown in the figures below. Machine screw Standard bolt Kg .cm Kg .cm lft lhrl lit Ihs) 200 50 Proper fartenlny torque 141 for M6 11/4"1 0 05 10 Seconds 10 20 30 Seconds Fastening time Fastening time High tensile bolt Ky cm lft lbrl M10 1318") Proper fasten,ng torque for M10 13/8"l M8 15/16") 400 Proper fartenlng tolque for M8 15/16") 200 1151 0 1 0 2.0 3.0 Seconds Fastening time Hold the tool firmly and place the point of the driver bit in the screw head. Apply for- ward pressure to the tool to the extent that the bit will not slip off the screw and turn the tool on to start operation. NOTE : 0 Use the proper bit for the head of the screw that you wish to use. 0 Hold the tool pointed straight at the screw. 0 If you fasten the screw for a time longer than shown in the figures above, the screw or the screw or the point of the driver bit may be overstressed, stripped, damaged, etc. Before starting your job, always perform a test operation to verify the adequate fasten- ing time for your screw. When fastening a machine screw in a steel plate, the proper fastening torque can be obtained in an extremely short time (approx. 0.1 -0.2 seconds). Turn the tool off as soon as the impact sound is heard. .When fastening screw M8 (5/16") or smaller, carefully adjust pressure on the switch trigger so that the screw is not damaged. The fastening torque is affected by a wide variety of factors including the following. After fastening, always check the torque with a torque wrench. 1. When the battery cartridge is discharged almost completely, voltage will drop and the fastening torque will be reduced. 2. Drive bit or socket bit Failure to use the correct size driver bit or socket bit will cause a reduction in the fastening torque. 3. Bolt 0 Even though the torque coefficient and the class of bolt are the same, the proper fastening torque will differ according to the diameter of the bolt. 0 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. 4. The type of materials to be fastened and the manner of holding the tool will affect the torque. 5. Operating the tool at low speed will cause a reduction in the fastening torque. CAUTION : If the tool is operated continuously until the battery cartridge has discharged, allow the tool to rest for 15 minutes before proceeding with a fresh battery. MAINTENANCE CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before attempting to perform inspection or maintenance. To maintain product SAFETY and RELIABILITY, repairs, maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. 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. The a...