Do you have a question about the Makita 8400D and is the answer not in the manual?
Details capacities, speed, dimensions, and weight for the Model 8400D cordless hammer drill.
Lists voltage and charging time for the 9000 battery cartridge and DC9700 fast charger.
Basic precautions to reduce risk of fire, electric shock, and personal injury during tool use.
Guidelines for keeping work area clean, well-lit, and free from hazards like rain or flammable liquids.
Recommendations for proper dress, safety glasses, and footwear to ensure user safety.
Instructions on correct tool use, securing work, and essential tool maintenance practices.
Precautions against unintentional starting and guidelines for outdoor extension cord usage.
Procedures for checking damaged parts and preventing electric shock from grounded surfaces.
Critical warning about using correct voltage to prevent user injury and tool damage.
Instructions for safely charging Makita batteries, including charger and extension cord guidelines.
Table and recommendations for selecting appropriate AWG size extension cords for battery chargers.
Rules for charging battery cartridges within specified temperature ranges for optimal performance.
Precautions for handling, storing, and preventing damage to battery cartridges to avoid shorts.
Understanding that battery-powered tools are always in an operating condition.
Recommendations for wearing safety gear like hard hats, safety glasses, and ear protectors.
Guidance on checking screw tightness, footing, and avoiding contact with hot tool parts.
Procedure for correctly aligning and inserting the battery cartridge into the tool.
Procedure for safely removing the battery cartridge by pulling the set plate.
Instructions for plugging in, inserting battery, and initiating the charging process.
Explanation of charging light signals and troubleshooting for dead batteries.
Cautions regarding new batteries, button presses, and charging warm cartridges.
Instructions for selecting hammer drilling mode for concrete or brick applications.
Instructions for selecting rotation-only mode for wood, metal, or plastic drilling.
Procedure for inserting and tightening drill or driver bits using the chuck key.
Procedure for loosening and removing drill or driver bits with the chuck key.
How to use the reversing switch for rotation direction and the trigger to start/stop the tool.
Technique for hammer drilling, including light pressure and clearing clogged holes.
Tips for drilling in wood using bits with a guide screw for better results.
Technique for drilling metal, including center-punching and using lubricant.
Chart to determine the correct size Phillips driver bit for specific wood screws.
Guidance on selecting a slotted bit that fits the screw slot to avoid damage.
Always switch off tool and remove battery before maintenance; use authorized service.
Details on Makita Fast Charger DC9700 and 12V car charger DC9112.
Information on 9.6V battery cartridge, Chuck Key S10, tool holster, and battery holster.
Description of tool carrying case and the Keyless Drill Chuck accessory.
Exploded view diagram showing numbered parts of the cordless hammer drill.
Note that switch and part configurations may differ by country.
Detailed list of machine parts with item numbers, descriptions, and quantities used.
Terms and conditions of the one-year limited warranty for Makita tools.
Conditions under which the warranty does not apply, such as abuse or unauthorized repairs.
Disclaimers regarding indirect, incidental, and consequential damages, and implied warranties.