Ryobi AG452 Operator's Manual
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Ryobi AG452 Operator's Manual

4-1/2 in. angle grinder double insulated
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Your
angle grinder 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
OPERATOR'S MANUAL
4-1/2 in. ANGLE GRINDER
DOUBLE INSULATED
AG452

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Summary of Contents for Ryobi AG452

  • Page 1 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 OPERATOR’S MANUAL 4-1/2 in. ANGLE GRINDER DOUBLE INSULATED AG452...

  • Page 2: Table Of Contents

    WHAT THIS WARRANTY COVERS: This warranty covers all defects in workmanship or materials in your RYOBI tool for a period of two years from the date of purchase. With the exception of batteries, power tool accessories are warranted for ninety (90) days.

  • Page 3: Electrical Safety

    WARNING: Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury. SAVE THESE INSTRUCTIONS WORK AREA  Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. ...

  • Page 4: Specific Safety Rules

    SERVICE  Tool service must be performed only by qualified repair personnel. Service or maintenance performed by unqualified personnel may result in a risk of injury.  Always use proper guard with grinding wheel. A guard protects operator from broken wheel fragments. ...

  • Page 5: Symbols

    Some of the following symbols may be used on this 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 Volts Amperes Hertz Watt Minutes Alternating Current Direct Current No Load Speed...

  • Page 6: Symbols

    To avoid serious personal injury, do not attempt to use this product until you read thoroughly and understand com- pletely the operator’s manual. If you do not understand the warnings and instructions in the operator’s manual, do not use this product. Call Ryobi customer service for assistance.

  • Page 7: Double Insulation

    DOUBLE INSULATION Double insulation is a concept in safety in electric power tools, which eliminates the need for the usual three- wire grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protecting insulation. Double insulated tools do not need to be grounded.

  • Page 8: Features

    SIDE HANDLE The side handle can be installed on the top, left, or right side of the grinder, depending on operator preference, for stabi- lization and must be used during all operations. In addition to maintaining safe control during use, the side handle also provides convenient ease of operation for the operator.

  • Page 9: Packing List

     Insert the side handle into the desired operating position.  Securely tighten by turning the side handle clockwise. NOTE: The handle can be installed on the top, left, or right side of the grinder, depending on operator preference. SIDE HANDLE LOOSEN TIGHTEN Fig.

  • Page 10: Switch Trigger

    DANGER: Never attach a wood cutting or carving blade of any type to this angle grinder. It is only designed for grinding and sanding. Use for any other purpose is not recommended and creates a hazard, which will result in serious injury.
  • Page 11  Gradually lower angle grinder until the grinding wheel contacts the workpiece.  For best results keep the angle grinder tilted at an angle from 5° to 15° and continuously moving at a steady, consistent pace.

  • Page 12: Operation

     Keep the angle grinder moving so that an excessive amount of material is not removed from one area.  If the angle grinder is held in one spot too long, it will gouge and cut grooves in the workpiece.

  • Page 13: Guard Adjustment

    OFF ( O ) position. Failure to heed this warning could result in serious personal injury. GUARD ADJUSTMENT See Figure 9 - 11. Never use the angle grinder without the guard in place and properly adjusted.  Unplug the angle grinder.  Using the wrench provided, loosen and remove nut, accessory wheel, and disc flange from spindle if neces- sary.

  • Page 14: General Maintenance

    MAINTENANCE BRUSH BRUSH ASSEMBLIES See Figure 12. The angle grinder has externally accessible brush assemblies that should periodically be checked for wear. replace brushes:  Unplug the angle grinder.  Remove brush cap with a screwdriver. Brush assembly is spring loaded and will pop out when you remove brush cap.

  • Page 15: Maintenance

    GUARD REPLACEMENT See Figure 13. After extended use, the guard may become worn and need adjustment or replacing. Or, if you drop the angle grinder and damage the guard, it may be necessary to replace it. To replace the guard: ...
  • Page 16 • HOW TO ORDER REPAIR PARTS When ordering repair parts, always give the following information: • MODEL NUMBER • SERIAL NUMBER Ryobi is a registered trademark of Ryobi Limited used under license. ® 983000-998 06-07-07 (REV:02) OPERATOR’S MANUAL 4-1/2 in. ANGLE GRINDER...

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