4ENGLISHExplanation of general viewSPECIFICATIONS• Due to our continuing program of research and development, the specifications herein are subject to change withoutnotice.• Note: Specifications may differ from country to country.Intended useThe tool is intended for impact drilling in brick, concreteand stone as well as for drilling without impact in wood,metal, ceramic and plastic.SPECIFIC SAFETY RULESDO NOT let comfort or familiarity with product (gainedfrom repeated use) replace strict adherence to ham-mer drill safety rules. If you use this power toolunsafely or incorrectly, you can suffer serious per-sonal injury.1. Wear ear protectors with impact drills. Exposure tonoise can cause hearing loss.2. Hold power tools by insulated gripping surfaceswhen performing an operation where the cuttingtool may contact hidden wiring or its own cord.Contact with a “live” wire will make exposed metalparts of the tool “live” and shock the operator.3. Always be sure you have a firm footing. Be sureno one is below when using the tool in high loca-tions.4. Hold the tool firmly with both hands.5. Keep hands away from rotating parts.6. Do not leave the tool running. Operate the toolonly when hand-held.7. Do not touch the bit or the workpiece immediatelyafter operation; they may be extremely hot andcould burn your skin.1. Battery cartridge2. Button3. Red part4. Switch trigger5. Lamp6. Reversing switch lever7. Speed change lever8. Adjusting ring9. Action mode changing ring10. Arrow11. Graduations12. Sleeve13. Screw14. Hook15. Groove16. Blow-out bulb17. Limit mark18. Rear cover19. Screws20. Spring21. Arm22. Recesed part23. Carbon brush cap24. HoleModel BHP440 BHP450CapacitiesConcrete 13 mmSteel 13 mmWood 27 mmWood screw ø 6.8 mm x 50 mmMachine screw M6No load speed (min -1) High (2) 0 - 1,400Low (1) 0 - 400Blows per minute (min -1 ) High (2) 0 - 21,000Low (1) 0 - 6,000Overall length 204 mmNet weight 1.7 kg 1.8 kgRated voltage D.C. 14.4 V D.C. 18 V