DW248 - Hammer drill DEWALT - Free user manual and instructions

USER MANUAL DW248 DEWALT

DW236/DW246/DW248 Congratulations! You have chosen a DEWALT Power Tool. Years of experience, thorough product development and innovation make DEWALT one of the most reliable partners for professional Power Tool users. Table of contents Technical data EC-Deciaration of contormity Safety instructions Package contents Description Electrical safety Mains plug replacement [UK & Ireland on) Using an extension cable Assembly and adjustment instructions for use Maintenance en- Guarantee en- Technical data DW217 DW221 DW226 DW236 DW246 DW248 Voltage V___230 230 230 230 230 230 (UK. & Ireland only) V___230/115 230/115 230/115 230/115 230/115 230/115 Power input W__675/775 701/793 701/793 701/793 701/798 701/793 No load speed min'__0-4,000 O-2,500 O-1,200 O-850 0-600 0-600 Maximum driling range in steel/softwood mm 8/20 10/25 10/30 13/30 13/35 13/35 Chuck spindle thread size UNF___1/2"x20 1/2'x20 /2"x20 1/2*x20 1/2"x20 1/2" x20 Collar diameter mm 43 43 43 43 43 Maximum chuck capacity mm ___10 10 13 13 13 13 Weight kg 12 13 13 16 16 16 Fuses: Europe 230 V 100! 10 Amperes, mains UK. & Ireland 230 V 100! 13 Amperes, in plugs The following symbols are used throughout this manual:

Denotes risk of personal injury, loss of life or damage to the tool in case of non- observance of the instructions in this: manual. Denotes risk of electric shock. en-1

ENGLISH EC-Declaration of conformity

DW217/DW221/DW226/DW236/DW246/DW248 DEWALT declares that these Power Tools have been designed in compliance with: 89/392/EEC, 89/336/EEC, 73/23/EEC, EN 50144, EN 55104, EN 55014, EN 61000-3-2 & EN 61000-3-3. For more information, please contact DEWALT at the address below, or refer to the back of the manual. Level of sound pressure according to 86/188/EEC & 89/392/EEC, measured according to EN 50144: DW217 DW221 DW22 DW236 DW246 DW248 L, (ound pressure) dB 74 74 74 Lx (acoustic powen dB{4 83 E 83 Fat the operators ear

Weighted root mean square acceleration value according to EN 50144: Take appropriate measures for the protection of hearing if the sound pressure of 85 dB{A) is exceeded. DW217 DW221 DW25 DW2%6 DW245 DW248 <25 ms <25ms <2.5ms <2.5 m8 <25ms <2.5 ms Director Engineering and Product Development Horst GroBmann À pra DEWALT, Richard-Klinger-StraBe 40, D-65510, Idstein, Germany Safety instructions When using Power Tools, always observe the safety regulations applicable in your country to reduce the risk of fire, electric shock and personal injury. Read the following safety instructions before attempting to operate this product. Keep these instructions in a safe place! General 1 Keep work area clean Cluttered areas and benches can cause accidents. 2 Consider work area environment Do not expose Power Tools to humicity. Keep work area well lit. Do not use Power Tools in the presence of inflammable liquids or gases. 3 Guard against electric shock Prevent body contact with earthed surfaces (.9. pipes, radiators, cookers and refrigerators). For use under extreme conditions (e.g. high humidity, when metal swart is being produced, etc.) electric safety can be improved by inserting an isolating transformer or a (FI) earth-leakage circuit-breaker. 4 Keep children away Do not let children come into contact with the tool or extension cord. Supervision is required for those under 16 years of age. 5 Extension cords for outdoor use When the tool is used outdoors, always use extension cords intended for outdoor use and marked according 6 Store idle tools When not in use, Power Tools must be stored in a dy place and locked up securely, out of reach of children: 7 Dress properly Do not wear loose clothing or jewellery. They can be caught in moving parts. Preferably wear rubber gloves and non-slip footwear when working outdoors. Wear protective hair covering to keep long hair out of the way, 8 Wear safety goggles Also use a face or dust mask in case the operations produce dust or flying particles. 9 Beware of maximum sound pressure Take appropriate measures for the protection of hearing if the sound pressure of 85 dB(A) is exceededi en-2

ENGLISH 10 Secure workpiece Use clamps or a vice to hold the workpiece. Itis safer and it frees both hands to operate the tool. 11 Do not overreach Keep proper footing and balance at all times. 12 Avoid unintentional starting Do not carry the plugged-in tool with a finger on the switch. Be sure that the switch is released when plugging in. 13 Stay alert Watch what you are doing. Use common sense. Do not operate the tool when you are tiredi 14 Disconnect tool Shut off power and wait for the tool to come to a complete standstil before leaving it unattended. Unplug the tool when not in use, before servicing or changing accessories. 15 Remove adjusting keys and wrenches Always check that adjusting keys and wrenches are removed from the tool before operating the tool. 16 Use appropriate tool The intended use is laid down in this instruction manual. Do not force small tools or attachments to do the job of a heawy-duty tool. The tool will do the job better and safer at the rate for which it was intended Warning! The use of any accessory or attachment or performance of any operation with this tool, other than those recommended in this instruction manual may present a risk of personal injury. 17 Do not abuse cord Never carry the tool by its cord or pull it to disconnect from the socket. Keep the cord away from heat, oil and sharp edges. 18 Maintain tools with care Keep the tools in good condition and clean for better and safer performance. Follow the instructions for maintenance and changing accessories. Inspect the tool cords at regular intervals and, if damaged, have them repaired by an authorized DEWALT repair agent. Inspect the extension cords periodically and replace them if damaged Keep all controls dry, clean and free from oil and grease. 19 Check for damaged parts Before using the tool, carefully check it for damage to ensure that it will operate properiy and perform its intended function. Check for misalignment and seizure of moving parts, breakage of parts and any other conditions that may affect its operation. Have damaged guards or other defective parts repaired or replaced as instructed. Do not use the tool if the switch is defective. Have the switch replaced by an authorized DEWALT repair agent. 20 Have your tool repaired by an authorized DEWALT repair agent This Power Tool is in accordance with the relevant safety regulations. To avoid danger, electric appliances must only be repaired by qualified technicians. Package contents The package contains: 1 Rotary drill 1 Instruction manual 1 Exploded drawing + Check for damage to the tool, parts or accessories which may have occurred during transport + Take the time to thoroughly read and understand this manual prior to operation. Description (fig. A) 1 Variable speed switch 2 Lock-on button {DW217/DW221/DW226/DW236/DW246) 3 Forward/reverse slider 4 Spindie lock {DW221/DW226/DW236/DW246/DW248) 5 Keyless chuck DW248 - Anti-stalling control The anti-stallng feature is designed to help you control the dril during a stall and keep it from puling out of your hands. This may occur when driling in steel or using large diameter drills in wood. In case of a stal, the motor will be switched on and off at regular intervals. There are three alert signals: - Check level: the staling indicator wil flash once each time you depress the switch (1). The electronics function properiy. en-3

ENGLISH - Engaged level if a stall condition still exists, the electronics will stop the tool and the indicator will light permanentiy. - Alert mode: if the indicator flashes repeatediy, the electronics do not function properly. Take your tool to an authorized DEWALT repair agent. Electrical safety The electric motor has been designed for one voltage only. Always check that the power supply corresponds to the voltage on the rating plate.

Your DEWALT tool is double insulated in accordance with EN 50144; therefore no earth wire is required. Mains plug replacement (U.K. & Ireland only) + Should your mains plug need replacing and you are competent to do this, proceed as instructed below. If you are in doubt, contact an authorized DEWALT repair agent or a qualified electrician. Disconnect the plug from the supply. Cut off the plug and dispose of it safely; a plug with bared copper conductors is dangerous if engaged in a live socket outlet. Onty fit 18 Amperes BS1363A approved plugs fitted with the correctly rated fuse (1). + The cable wire colours, or a letter, will be marked at the connection points of most good quality plugs. Attach the wires to their respective points in the plug (see below). Brown is for Live (L) (2) and Blue is for Neutral (N) (4). Before replacing the top cover of the mains plug ensure that the cable restraint (3) is holding the outer sheath of the cable firmly and that the two leads are correctly fixed at the terminal screws. Never use a light socket Never connect the live (L) or neutral (N) wires to the earth pin marked E or L..

For 115 V units with a power rating exceeding 1500 W, we recommend to fit a plug to BS4343 standard. Using an extension cable If an extension cable is required, use an approved extension cable suitable for the power input of this tool (see technical data). The minimum conductor size is 1.5 mm°. When using a cable reel, always unwind the cable completely. Also refer to the table below. Conductor size (mm?) Cable rating (Amperes)

Inserting and removing a bit (fig. B) + Open the chuck by tuming the sleeve counterclockwise and insert the bit shank. + Tighten fimiy by turning the sleeve clockwise. + To remove the bit, proceed in reverse order. Prior to assembly and adjustment always unplug the tool en-4

ENGLISH DW221/DW226/DW236/DW246/DW248 - Spindle lock These models have a spindle lock button (4). + Depress the spindle lock button to lock the chuck while inserting or removing a bit.

Chuck removal (fig. E & F) + Open the chuck jaws as far as possible. + Insert a screwdriver into the chuck and remove the chuck retaining screw (6) by tuming clockwise. + Tighten an Allen key into the chuck and strike it with a hammer as shown. Never depress the spindle lock button during operation. Always wait until the motor has come to a complete standstil before changing the direction of rotation Instructions for use A + Always observe the safety instructions and applicable regulations. «Be aware of the location of pipework and Wiring, + Apply only a gentle pressure to the tool Excessive force does not speed up drilling but decreases tool performance and may shorten tool life. Prior to operation: + Insert the appropriate bit. + Mark the spot where the hole is to be drilled. Switching ON and OFF (fig. A) + To run the tool, press the variable speed switch: The pressure exerted on the variable speed switch determines the tool speed. + To stop the tool, release the switch. DW217/DW221/DW226/DW236/DW246 + Ifnecessary, press the lock-on button (2) for continuous operation and release the switch The lock-on button works only at full speed + To stop the tool in continuous operation, press the switch briefly and release it. Always switch OFF the tool when work is finished and before unplugging, Consult your dealer for further information on the appropriate accessories. Maintenance Your DEWALT Power Tool has been designed to operate over a long period of time with a minimum of maintenance. Continuous satisfactory operation depends upon proper tool care and regular cleaning

Lubrication Your Power Tool requires no additional lubrication.

Cleaning Keep the ventilation slots clear and regularly clean the housing with a soft cloth. Unwanted tools and the environment Take your tool to an authorized DEWALT repair agent where it will be disposed of in an environmentally safe way. en-5

If you are not completely satisfied with the performance of your DEWALT tool, simply return it within 80 days, complete as purchased, to the point of purchase, for à full refund or exchange. Proof of purchase must be produced

+ ONE YEAR FREE SERVICE CONTRACT +

If you need maintenance or service for your DEWALT too), in the 12 months following purchase, it will be undertaken free of charge at an authorized DEWALT repair agent. Proof of purchase must be produced. Includes labour and spare parts for Power Tools. Excludes accessories.

+ ONE YEAR FULL WARRANTY +

If your DEWALT product becomes defective due to faulty materials or workmanship within 12 months from the date of purchase, we guarantee to replace all defective parts free of charge or, at our discretion, replace the unit free of charge provided that: +_ The product has not been misused + Repairs have not been attempted by unauthorized persons. + Proof of purchase date is produced. This guarantee is offered as an extra benefit and is additional to consumers statutory rights. For the location of your nearest authorized DEWALT repair agent, please use the appropriate telephone number on the back of this manual. en-6

APATANO DW217/)W221/DW226/D\W236/