master mechanic 134471 Owner's Manual
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master mechanic 134471 Owner's Manual

7 amp 4 1/2"
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Rating:
Amperes:
Speed:
Maximum disc diameter:
Spindle threads:
Minimum disc thickness:
Weight:
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Manufactured For and Distributed By
True Value® Company, Chicago, IL
©2011 True Value Company
Made in China
7 AMP 4 1/2" ANGLE GRINDER

PRODUCT SPECIFICATIONS

120V, 60Hz, AC
7 AMP
11,000 RPM (no load)
4½" (115 mm)
5
" – 11UNC (15.875 mm)
/
8
5
/
" (3.9 mm)
32
3 lb 6 oz (1.53 kg)
134471
Owner's Manual

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Summary of Contents for master mechanic 134471

  • Page 1: Product Specifications

    7 AMP 4 1/2" ANGLE GRINDER 134471 Owner’s Manual PRODUCT SPECIFICATIONS Rating: 120V, 60Hz, AC Amperes: 7 AMP Speed: 11,000 RPM (no load) Maximum disc diameter: 4½" (115 mm) " – 11UNC (15.875 mm) Spindle threads: Minimum disc thickness: " (3.9 mm) Weight: 3 lb 6 oz (1.53 kg)

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Product specifications ………….……………………………………………………. Table of contents ……………………………………………………………………... General safety warnings …………………………………………………………….. 3–4 Eye, ear & lung protection …………………………………………………………… 3–4 Electrical safety ………………………………………………………………………. Power tool safety ……………………………………………………………………... 5–6 General safety rules ………………………………………………………………….. Work area safety ………………………………………………………………….….. Electrical safety ………………………………………………………………………. Personal safety ………………………………………………………………………..

  • Page 3: General Safety Warnings

    GENERAL SAFETY WARNINGS WARNING: Before using this tool or any of its accessories, read this manual and follow all Safety Rules and Operating Instructions. The important precautions, safeguards and instructions appearing in this manual are not meant to cover all possible situations. It must be understood that common sense and caution are factors which cannot be built into the product.

  • Page 4: Electrical Safety

    GENERAL SAFETY WARNINGS WEAR A DUST MASK THAT IS DESIGNED TO BE USED WHEN OPERATING A POWER TOOL IN A DUSTY ENVIRONMENT. WARNING: Dust that is created by power sanding, sawing, grinding, drilling, and other construction activities may contain chemicals that are known to cause cancer, birth defects, or other genetic abnormalities.

  • Page 5: Power Tool Safety

    POWER TOOL SAFETY WARNING: Read all safety warnings Do not abuse the cord. Never use the and instructions. Failure to follow the cord for carrying, pulling or unplugging the power tool. Keep cord away from warnings and instructions may result in electric shock, fire and/or serious injury.

  • Page 6: Power Tool Use And Care

    POWER TOOL SAFETY PERSONAL SAFETY – cont’d Store idle power tools out of the reach of children and do not allow persons Remove any adjusting key or wrench unfamiliar with the power tool or these before turning the power tool on. A instructions to operate the power tool.

  • Page 7: Specific Safety Rules

    SPECIFIC SAFETY RULES Do not use a damaged accessory. WARNING: This power tool is Before each use inspect the accessory intended to function as a grinder or cut- such as abrasive wheels for chips and off tool. Read all safety warnings, cracks, backing pad for cracks, tear or instructions, illustrations and excess wear, wire brush for loose or...

  • Page 8: Kickback And Related Warnings

    SPECIFIC SAFETY RULES Hold power tool by insulated gripping Kickback is a sudden reaction to a pinched surfaces only, when performing an or snagged rotating wheel, backing pad, operation where the cutting accessory brush or any other accessory. Pinching or may contact hidden wiring or its own snagging causes rapid stalling of the cord.

  • Page 9: Safety Warnings Specific For Grinding And Abrasive Cutting-Off Operations

    SPECIFIC SAFETY RULES Kickback and Related Warnings - cont’d Always use undamaged wheel flanges that are of correct size and shape for Use special care when working corners, your selected wheel. Proper wheel sharp edges etc. Avoid bouncing and flanges support the wheel thus reducing snagging the accessory.

  • Page 10: Safety Warnings Specific For Sanding Operations

    SPECIFIC SAFETY RULES Additional Safety Warnings Specific for Abrasive Do not allow any loose portion of the Cutting-Off Operations: - cont’d polishing bonnet or its attachment strings to spin freely. Tuck away or trim Do not restart the cutting operation in any loose attachment strings.

  • Page 11: Extension Cord Safety

    EXTENSION CORD SAFETY WARNING: Keep the extension MINIMUM GAUGE (AWG) cord clear of the working area. Position EXTENSION CORDS (120V use only) the cord so it will not get caught on the Amperage workpiece, tools or any other obstructions rating Total length while you are working with the power tool.

  • Page 12: Symbols

    SYMBOLS WARNING: Some of the following symbols may appear on the angle grinder. Study these symbols and learn their meaning. Proper interpretation of these symbols will allow for more efficient and safer operation of this tool. Direct current Volts Amperes No load speed Alternating or direct Hertz...

  • Page 13: Know Your Angle Grinder

    KNOW YOUR ANGLE GRINDER ON/OFF switch Spindle locking button Air vents Auxiliary handle Guard Guard clamp lever ACCESSORIES AVAILABLE ACCESSORIES Before using any accessory, carefully read the instructions or the owner’s manual for WARNING: Use only grinding discs and cut-off discs that are the accessory.

  • Page 14: Contents

    CONTENTS CONTENTS ANGLE GRINDER COMPONENTS DESCRIPTION Carefully unpack the angle grinder. Angle grinder Compare the contents against the “ANGLE Auxiliary handle GRINDER COMPONENTS” chart at right. Grinding disc Flange wrench NOTE: See illustration of the angle grinder Disc guard below. Owner’s Manual WARNING: To avoid fire or toxic...

  • Page 15: Assembly And Operating

    ASSEMBLY AND OPERATION WARNING: Always disconnect your angle grinder from the power source when replacing grinding or cut- off discs, adjusting the guard, cleaning the tool or when the tool is not in use. Disconnecting the angle grinder will prevent accidental starting that could cause serious personal injury.

  • Page 16: Positioning The Guard

    ASSEMBLY AND OPERATION INSTALLING THE GUARD – cont’d Turn the clamp nut counter clockwise and remove it from the spindle. NOTE: Always use the wrench (3) to remove the clamp nut. Remove the disc flange (4). It will simply pull off the spindle (5). Pull the guard clamp lever (6) outward to allow the guard clamp to expand for installation.

  • Page 17: Installing A Grinding Disc

    ASSEMBLY AND OPERATION ASSEMBLY AND OPERATION INSTALLING A GRINDING DISC WARNING: Use the correct size grinding disc. Never use a grinding disc thinner than 5/32" (3.9mm). Lock the disc guard onto the spindle housing. Depress the spindle lock button (1) and rotate the clamp nut (2) until the spindle locks (Fig.
  • Page 18 ASSEMBLY AND OPERATION WARNING For safety reasons, the operator must read the sections of this Owner’s Manual entitled "GENERAL SAFETY WARNINGS", "POWER TOOL SAFETY", "SPECIFIC SAFETY RULES", "EXTENSION CORD SAFETY" and "SYMBOLS" before using this angle grinder. Verify the following every time the angle grinder is used: Cord is not damaged Grinding disc is correct for the...

  • Page 19: On/Off Switch

    ASSEMBLY AND OPERATION ON/OFF SWITCH To turn the switch ON, press the back of the switch slider (1) into the body of the tool. While pressing on the rear of the slider, push it forward (2) until the front part of the switch (3) engages the catch (Fig.
  • Page 20 ASSEMBLY AND OPERATION GRINDING – cont’d The efficient operation of the angle grinder begins by controlling the pressure and surface contact between the grinding disc and the workpiece. Flat surfaces are ground at an acute angle, normally 5° to 15° between 5 and 15 degrees (Fig.

  • Page 21: Maintenance

    MAINTENANCE WARNING: Always wear safety GENERAL goggles or safety glasses with side shields during all grinding operations. It WARNING: When servicing, use is critical that you also wear safety only identical replacement parts. The goggles or safety glasses with side use of any other part may create a shields and a dust mask while blowing hazard or cause product damage.

  • Page 22: Exploded View

    EXPLODED VIEW...

  • Page 23: Parts Listing

    PARTS LIST WARNING: When servicing, use only original equipment replacement parts. The use of any other parts may create a safety hazard or cause damage to the angle grinder. Any attempt to repair or replace electrical parts on this angle grinder may create a safety hazard unless repairs are performed by a qualified technician.
  • Page 24 PARTS LIST Key # Part # Part Name Quantity 4100040006 Retaining ring 1160020032 Auxiliary handle 4060010019 Nut M6 2040110001 Pinion 4010010054 Bearing 6000-2RS 2030160082 Bearing clamp B 1010150026 Rotor 3150130104 Dust cover 4010010053 Bearing 607-2RS 3140040009 607 bearing sleeve 4030010122 Screw ST3.9x70 3150050058 Air deflector...

  • Page 25: Warranty

    3-Year Limited Warranty: This product is warranted for 3 years against any defects in material and workmanship. If defective the product will be repaired or replaced free of charge. Simply provide proof of purchase and return the tool to your place of purchase.

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