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Makita 8401 manual

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Table of contents for the manual

  • Page 1

    2-Speed Hammer Drill No load speed (RPMI Capacities Steel Wood Concrete Speed 13 mm (112”) MODEL 8401 Variable Speed I Reversing Blows Overall per minute length INSTRUCTION MANUAL High Low DOUBLE INS U L AT ION :.;$,: :&:: 0 - 2,800 0 ~ 30,800 13 mm 30 mm 13 mm (1 2-7/32”) 310 mm (,/2”) ,l-l/8r,) (1/2“] 0 ~ 1,100 0 ~ 12,100 SPEC IF I CA[...]

  • Page 2

    IMPORTANT SAFETY INSTRUCTIONS (For All Tools) WARNING: WHEN USING ELECTRIC TOOLS, BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, AND PERSONAL INJURY, INCLUDING THE FOLLOWING: READ ALL INSTRUCTIONS. 1. 2. 3. 4. 5. 6. 7. 8. 9. IO. 11. 12. 13. 2 KEEP WORK AREA CLEAN. Cluttered areas and benches invite in[...]

  • Page 3

    14. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on. 15. AVOID UNINTENTIONAL STARTING. Don't carry tool with finger on switch. Be sure switch is OFF when plugging in. 16. EXTENSION CORDS. Make sure your extension cord is in good condition. When using [...]

  • Page 4

    VOLTAGE WARNING: Before connecting the tool to a power source (receptacle, outlet, etc.) be sure the voltage supplied is the same as that specified on the nameplate of the tool. A power source with voltage greater than that specified for the tool can result in SERIOUS INJURY to the user - as well as damage to the tool. If in doubt, DO NOT PLUG IN T[...]

  • Page 5

    Installing side grip (auxiliary handle) The side grip is an important means of maintaining good control of this hammer drill during use in the even bit or accessory jams, causing the tool twist from your hand with the potential to cause injury. Loosen the wing nut on the side grip and install the side grip on the tool. The side grip swings around t[...]

  • Page 6

    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. For continuous operation, pull the trigger and then push in the lock button. To stop the tool while in the locked posi- tion, pull the trigger fully, then release it. A speed control screw is provid[...]

  • Page 7

    Action mode changing button Action mode This tool employs action mode changing buttons. For rotation only, press the button on the SX- mark side fully. For rotation with hammering action, press the button on the c mark side fully. CAUTION : Be sure to press the action mode changing button as far as it will go, Failure to do so may cause malfunction[...]

  • Page 8

    CAUTION : .Pressing excessively on the tool will not speed up the drilling. In fact, this excessive pressure will only serve to damage the tip of your bit, decrease the tool performance and shorten the service life of the tool. 0 There is a tremendous twisting force exerted on the tool/bit at the time of hole break- through. Hold the tool firmly an[...]

  • Page 9

    MAINTENANCE CAUTION : Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. To maintain product SAFETY and RELlABl LITY, repairs, carbon brush inspection and replacement, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using [...]

  • Page 10

    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 accessories or attachments should be used only in the proper and intended manner. 711121-A 71 1122-A 71 1123-A 0 Tungsten-carbid[...]

  • Page 11

    Aug -28-'91 EN 13 mm (1/2") Model 8401 2-SPEED HAMMER DRILL Note: The switch, noise suppressor and other part configurations may differ from country to country. 11[...]

  • Page 12

    iv MODEL 8401 Aug.-28-'91 US 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 lB 19 20 21 22 23 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Name Plate Housing Set (With Item 361 Cord Guard Cord Switch Strain Relief Pan Head Screw M4x18 [With Washer! Carbon Brush Switch Cam Holder Steel Ball 4 8 cam B Washer 13 Cup Washer 13 Compression Spring 25 Spur G[...]