Ryobi D550H manual Symbols, Symbol Name DESIGNATION/EXPLANATION

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SYMBOLS

Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.

 

SYMBOL

NAME

DESIGNATION/EXPLANATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V

Volts

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

Amperes

Current

 

 

 

 

 

 

 

 

 

 

 

 

 

Hz

Hertz

Frequency (cycles per second)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W

Watt

Power

 

 

 

 

 

 

 

 

 

 

 

 

min

Minutes

Time

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alternating Current

Type or a characteristic of current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

n0

No Load Speed

Rotational speed, at no load

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Class II Construction

Designates double-insulated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

construction tools

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.../min

Revolutions or Reciprocation Per Minute

Revolutions, strokes, surface speed,

 

 

 

 

 

 

 

 

 

orbits etc. per minute

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Safety Alert

Indicates danger, warning or caution.

 

 

 

 

 

 

 

 

 

It means attention!!! Your safety is

 

 

 

 

 

 

 

 

 

involved.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wet Conditions Alert

Do not expose to rain or use in damp

 

 

 

 

 

 

 

 

 

locations.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and the explanations with them, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures.

SYMBOL MEANING

DANGER: Failure to obey a safety warning will result in serious injury to yourself or to others. Always follow the safety precautions to reduce the risk of fire, electric shock and personal injury.

WARNING: Failure to obey a safety warning can result in serious injury to yourself or to others. Always follow the safety precautions to reduce the risk of fire, electric shock and personal injury.

CAUTION: Failure to obey a safety warning may result in property damage or personal injury to yourself or to others. Always follow the safety precautions to reduce the risk of fire, electric shock and personal injury.

NOTE: Advises you of information or instructions vital to the operation or maintenance of the equipment.

SAVE THESE INSTRUCTIONS

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Contents Save this Manual for Future Reference Operators ManualIntroduction Table of ContentsElectrical Safety General Safety RulesPersonal Safety Work AreaAdditional Safety Rules Specific Safety RulesService Symbol Name DESIGNATION/EXPLANATION SymbolsUnpacking SpecificationsApplications InstructionsFeatures Chuck Mode Depthselector Gauge ROD LOCK-ON ButtonInserting Bits OperationRemoving Bits Chuck Jaws Drill BIT Chuck Collar Right WrongAdjusting the Depth Gauge ROD Adjusting the Handle AssemblyAdjusting the Drill Mode Handle Assembly Adjust Depth Gauge RODChanging the Rotation Adjusting the SpeedTurning the Hammer Drill ON/OFF LOCK-ON Button Switch TriggerLocking on DrillingGeneral MaintenanceLubrication Helpful TipsMallet Chuck Jaws HEX KEY Screwdriver Removing the ChuckTightening the Chuck Page Service Model NO. and Serial no