Instruction/ maintenance manual of the product HR1821 Makita
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19 mm (3/4") MODEL HR1821 Variable Speed Capacities Wood Steel Concrete 15" 10" 19" (518") (3/8") (314" INSTRUCTION MANUAL No load Blows Overall Net speed per minute length weight 0 ;/A,i:OO 0 - 3,500 321 mm 3.1 kg (12-518") (6.
IMPORTANT SAFETY INSTRUCTIONS (For All Tools) WARNING: WHEN USING ELECTRIC TOOLS, BASIC SAFE- REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, AND PER- TY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO SONAL INJURY, INCLUDING THE FOLLOWING: READ ALL INSTRUCTIONS. 1.
14. 15. 16. 17. 18. 19. 20. 21. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to 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.
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 is equipped with a three-conductor cord and three-prong grounding- type plug to fit the proper grounding-type receptacle.
ADDITIONAL SAFETY RULES 1. 2. 3. 4. 5. 6. 7. 8. 9. IO. 11. 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 to produce vibration.
HOW TO USE Bit grease 0 Coat the drill bit shank head beforehand with a small amount (about 0.5 - 1 g; 0.02 - 0.04 02.) of bit grease. This chuck lubrication assures smooth action and longer service life.
Depth rod .The depth rod is used to drill holes of uniform depth. Loosen the thumb screw set the depth rod to desired position, then tighten the thumb screw. Fig. 4 Handling dust collector 0 Use the dust collector for safe, sanitary then fix the dust collector on the end by turning and applying pressure.
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. Speed control screw , Fig. t .A speed control screw is provided so that tool speed (RPM) can be changed at the fully- pulled trigger position.
Blow-out bulb 0 Use the blow-out bulb to clean out the hole. Fig. 10 Anchor setting procedure 0 The drill bit has a red marking which can be used to indicate the anchor length. Use the depth rod when drilling for setting a number of anchors at the same depth.
MAINTENANCE CAUTION: Always be sure that the tool is switched off and unplugged before attempting to perform inspection and maintenance. Replacing carbon brushes 0 Both carbon brushes should be replaced after about 150 hours of use.
Lubrication 0 Lubricate the tool every time after replacing carbon brushes. Run the tool for several minutes to warm it up, then rest the tool on the table with the chuck cover (bit) end pointing toward the ceiling. This will allow the old grease to collect inside the crank housing.
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.
0 Tungsten-carbide tip bits Part No Blt Max drilling Overall diameter depth lenath 0 Anchors (30 sets per pkg) Anchor outer Overall Thread N~ 1 dyzer I leegmf: 1 Thread 1 k3;g_f; I Part NO.
19 mm (3/4") @ma ROTARY HAMMER - Model HR1821 Seo.--19-'84 US Note: The switch and other part configurations may differ from country to country.
MODEL HR1821 'ikM ,,!!D DESCRIPTION Sep-19-'84 US ,!:, DESCRIPTION MACHINE ~ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41.
MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy 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.
An important point after buying a device Makita HR1821 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Makita HR1821 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Makita HR1821 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Makita HR1821 you will learn all the available features of the product, as well as information on its operation. The information that you get Makita HR1821 will certainly help you make a decision on the purchase.
If you already are a holder of Makita HR1821, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Makita HR1821.
However, one of the most important roles played by the user manual is to help in solving problems with Makita HR1821. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Makita HR1821 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
