Related Manuals for Makita HR1821
Summary of Contents for Makita HR1821
- Page 1 19 mm (3/4") MODEL HR1821 Variable Speed INSTRUCTION MANUAL Capacities No load Blows Overall speed per minute length weight Wood Steel Concrete 1 5 " 1 0 " 1 9 " 321 mm 3.1 kg 3,500 0 ; / A , i : O O (518")
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Page 2: Important Safety Instructions
SAFETY INSTRUCTIONS WARNING: WHEN USING ELECTRIC TOOLS, BASIC SAFE- TY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, AND PER- SONAL INJURY, INCLUDING THE FOLLOWING: ALL INSTRUCTIONS. READ KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries. CONSIDER WORK AREA ENVIRONMENT. - Page 3 REMOVE ADJUSTING see that keys and adjusting wrenches are removed from tool before turn- ing it on. AVOID UNINTENTIONAL STARTING. Don't carry plugged-in tool with finger on switch. Be sure switch is OFF when plugging OUTDOOR USE EXTENSION CORDS. When tool is used outdoors, use only extension cords intended for use outdoors and so marked.
- Page 4 For all grounded tools with American type plug. GROUNDING INSTRUCTIONS: This tool should begrounded while in use to protect the operator from electric shock. The tool type plug t o f i t the proper grounding-type receptacle. The green (or green and yellow) conductor in the cord is the grounding wire.
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Page 5: Additional Safety Rules
ADDITIONAL SAFETY RULES Wear a hard hat (safety helmet) and an ear protector if necessary. Be sure the drill bit is secured in place before operation. Under normal operation, the tool is designed t o produce vibration. The screws can come loose easily, causing a breakdown or accident. Check tightness screws carefully before operation. -
Page 6: How To Use
HOW TO USE Bit grease Coat the drill bit shank head beforehand with a small amount (about 0.5 0.04 of bit grease. This chuck lubrication assures smooth action and longer service 02.) life. Installing and removing the drill bit To install the drill bit, align protrusion (A) with the red dot, then align the key groove on the drill bit shank with the red dot and insert the drill bit. - Page 7 Depth rod .The depth rod i s used to drill holes of uniform depth. Loosen the thumb screw set the depth rod to desired position, then tighten the thumb screw. Handling dust collector Use the dust collector for safe, sanitary overhead operations.
- Page 8 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. .A speed control screw is provided so that tool speed (RPM) can be changed a t the fully- pulled trigger position.
- Page 9 Blow-out bulb Use the blow-out bulb to clean out the hole. Anchor setting procedure The drill bit has a red marking which can be used to indicate the anchor length. Use the depth rod when drilling for setting ed marking Drilling in wood or metal Set the push rod for “rotation only.”...
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Page 10: Maintenance
I f carbon brushes wear out too quickly, ask Makita Authorized or Factory Service Centers to determine the cause before replacing them. Use only Makita carbon brushes. - Page 11 Never use the bit grease for lubrication of hammer mechanism. To maintain product SAFETY and RELIABILITY, repairs, any other maintenance and adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. 02.) Fig. 16...
- Page 12 ACC ESSO R I ES 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 accessories or attachments should be used only in the proper and intended manner.
- Page 13 518") 318'' 12") N0.4 17.5l11/16"~50 112" Anchor setting tool Part No. 765012-7 Anchor setting Makita anchor only Overall lenath Anchor setting rod for interior applications (Set by tool) Thread k 3 ; g _ f ; Part NO. 10 1318")
- Page 14 Seo.--19-'84 @ m a 19 mm (3/4") ROTARY HAMMER Model HR1821 Note: The switch and other part configurations may differ from country to country.
- Page 15 MODEL HR1821 ' i k M , , ! ! D DESCRIPTION MACHINE Steel Ball 6 4 Key 4 Cylinder Liner 20 Ball Bearing 3007 Nut M 3 0 3 - 3 6 Barrel 0 Ring 4 0 Flat Washer...
- Page 16 MAKITA LIMITED ONE YEAR WARRANTY Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one-year period, return the COMPLETE tool, freight prepaid, to one of Makita’s Factory or Authorized Service Centers.