Makita HR2420 - Manuals

7 Torque limiter The torque limiter will actuate when a certain torque level isreached. The motor will disengage from the output shaft.When this happens, the bit will stop turning. CAUTION: • As soon as the torque limiter actuates, switch off the toolimmediately. This will help prevent premature wea...

8 Insert the bit into the tool. Turn the bit and push it in until itengages. If the bit cannot be pushed in, remove the bit. Pull the chuckcover down a couple of times. Then insert the bit again. Turnthe bit and push it in until it engages. After installing, always make sure that the bit is securely...

9 OPERATION Hammer drilling operation Set the action mode changing knob to the symbol. Position the bit at the desired location for the hole, then pullthe switch trigger. Do not force the tool. Light pressure givesbest results. Keep the tool in position and prevent it from slip-ping away from the ho...

10 CAUTION: • Never use “rotation with hammering” when the drillchuck assembly is installed on the tool. The drill chuckassembly may be damaged. Also, the drill chuck willcome off when reversing the tool. • Pressing excessively on the tool will not speed up thedrilling. In fact, this excessive press...

11 ACCESSORIES CAUTION: • These accessories or attachments are recommended foruse with your Makita tool specified in this manual. Theuse of any other accessories or attachments mightpresent a risk of injury to persons. Only use accessoryor attachment for its stated purpose. If you need any assistanc...

14 1. This product was purchased from: Home Center Hardware/Lumber Store Tool Distributor Industrial Supply Construction Supply Other ( ) 3. How did you learn about this product: Magazine From Dealer Newspaper Store Display Catalog Radio Exhibition From Friend Previous Usage Other ( ) 2. Use of the ...

15 FACTORY SERVICE CENTERS 1-800-4-MAKITA RETAIN THIS PORTION FOR YOUR RECORDS ARIZONA 3707 E. Broadway Rd., Ste. 6 Phoenix, AZ 85040 (602) 437-2850 CALIFORNIA 41850 Christy St. Fremont, CA 94538-5107 (510) 657-9881 14930 Northam St. La Mirada, CA 90638-5753 (714) 522-8088 1970 Fulton Avenue Sacrame...

WARNING Some dust created by power sanding, sawing, grinding, drilling, and otherconstruction activities contains chemicals known to the State of Californiato cause cancer, birth defects or other reproductive harm. Some examplesof these chemicals are:• lead from lead-based paints, • crystalline sili...