3ENGLISH (Original instructions)Explanation of general view1-1. Lock button1-2. Speed control screw1-3. Switch trigger1-4. Higher1-5. Lower2-1. Lamp3-1. Reversing switch lever4-1. Arrow4-2. Speed change knob5-1. Action mode changing lever6-1. Grip base6-2. Side grip (auxiliary handle)6-3. Teeth6-4. Protrusions7-1. Chuck key8-1. Sleeve8-2. Ring9-1. Depth gauge10-1. Blow-out bulb11-1. Vent holesSPECIFICATIONSModel HP2050/HP2050F HP2051/HP2051FSpeed High Low High LowConcrete 20 mm ----- 20 mm -----Steel 8 mm 13 mm 8 mm 13 mmCapacitiesWood 25 mm 40 mm 25 mm 40 mmNo load speed (min -1) 0 - 2,900 0 - 1,200 0 - 2,900 0 - 1,200Blows per minute 0 - 58,000 0 - 24,000 0 - 58,000 0 - 24,000Overall length 362 mm 360 mmNet weight 2.5 kg 2.5 kgSafety class /II• Due to our continuing programme of research and development, the specifications herein are subject to change without notice.• Specifications may differ from country to country.• Weight according to EPTA-Procedure 01/2003ENE039-1Intended useThe tool is intended for impact drilling in brick, concreteand stone as well as for drilling without impact in wood,metal, ceramic and plastic. ENF002-1Power supplyThe tool should be connected only to a power supply ofthe same voltage as indicated on the nameplate, andcan only be operated on single-phase AC supply. Theyare double-insulated in accordance with EuropeanStandard and can, therefore, also be used from socketswithout earth wire. ENG102-2For European countries onlyNoiseThe typical A-weighted noise level determined accordingto EN60745:Sound pressure level (LpA) : 97 dB(A)Sound power level (LWA) : 108 dB(A)Uncertainty (K) : 3 dB(A)Wear ear protection ENG203-2VibrationThe vibration total value (tri-axial vector sum)determined according to EN60745:Work mode: impact drilling into concreteVibration emission (ah,ID) : 13 m/s2Uncertainty (K) : 3 m/s 2ENG302-2Work mode : drilling into metalVibration emission (ah,D) : 2.5 m/s 2 or lessUncertainty (K) : 1.5 m/s 2ENG901-1• The declared vibration emission value has beenmeasured in accordance with the standard testmethod and may be used for comparing one toolwith another.• The declared vibration emission value may also beused in a preliminary assessment of exposure.WARNING:• The vibration emission during actual use of thepower tool can differ from the declared emissionvalue depending on the ways in which the tool isused.• Be sure to identify safety measures to protect theoperator that are based on an estimation ofexposure in the actual conditions of use (takingaccount of all parts of the operating cycle such asthe times when the tool is switched off and when itis running idle in addition to the trigger time).