Ryobi D552HK manual OPERATOR’S Manual, Save this Manual for Future Reference

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OPERATOR’S MANUAL

1/2 in. HAMMER DRILL TWO-SPEED/REVERSIBLE

DOUBLE INSULATED

D552H

Your hammer drill has been engineered and manufactured to our high standard for dependability, ease of operation, and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.

WARNING: To reduce the risk of injury, the user must read and understand the operator's manual before using this product.

Thank you for your purchase.

SAVE THIS MANUAL FOR FUTURE REFERENCE

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Contents Save this Manual for Future Reference OPERATOR’S ManualIntroduction Table of ContentsWork Area Safety General Safety RulesElectrical Safety Personal SafetyService Specific Safety RulesName DESIGNATION/EXPLANATION SymbolsSymbol Signal Meaning ServiceDouble Insulation ElectricalElectrical Connection Extension CordsFeatures Operation AssemblyForward Rotation Selecting hammer Mode or drilling mode Installing BitsRemoving Bits To adjust the auxiliary handle assembly Using the Auxiliary Handle AssemblyDrilling Maintenance To Retighten a Loose Chuck Chuck RemovalParts and Service