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Benchmark 1250-000 Manual

4-1/2" angle grinder
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4-1/2" ANGLE GRINDER
3042597
JD3116U
WEAR CSA APPROVED
EYE PROTECTION
*5 year limited warranty on tool
WEAR EAR
PROTECTION
WEAR A
FACE MASK

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Summary of Contents for Benchmark 1250-000

  • Page 1 4-1/2" ANGLE GRINDER *5 year limited warranty on tool 3042597 JD3116U WEAR CSA APPROVED WEAR EAR WEAR A EYE PROTECTION PROTECTION FACE MASK...

  • Page 2: Product Specifications

    PRODUCT SPECIFICATIONS BENCHMARK 4-1/2" ANGLE GRINDER Rating: 120V, 60Hz, AC Amperes: 10 Amp Ratring speed: 11800 RPM (no load) Arbor size: 5/8" Blade size 4-1/2" Weight: 10 lbs / 4.54kg NEED ASSISTANCE? Call us on our toll-free customer support line: 1-866-349-8665 (Monday through Friday 9am –...

  • Page 3: Table Of Contents

    1250-000 4-1/2" ANGLE GRINDER TABLE OF CONTENTS Product Specifications .................. 1 Table of Contents ..................2 General Safety Warnings ................3 Power Tool Safety ..................4-5 Specific Safety Rules for Angler Grinders ............ 6-9 Extension Cord Safety ................9-10 Symbols ...................... 11 Know Your Angler Grinder ................

  • Page 4: 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 5: Power Tool Safety

    1250-000 4-1/2" ANGLE GRINDER POWER TOOL SAFETY WARNING: Read all safety warnings and instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE. WORK AREA SAFETY Keep work area clean and well lit.
  • Page 6 Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.

  • Page 7: Specific Safety Rules For Angler Grinders

    1250-000 4-1/2" ANGLE GRINDER SPECIFIC SAFETY RULES FOR ANGLE GRINDERS WARNING: Know your angle grinder. Do not plug the angle grinder into the power source until you have read and understand this Instruction Manual. Learn the tool’s applications and limitations, as well as the specific potential hazards related to this tool.
  • Page 8 workpiece fragments. The eye protection must be capable of stopping flying debris generated by various operations. The dust mask or respirator must be capable of filtering particles generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss. Keep bystanders a safe distance away from the work area.
  • Page 9 1250-000 4-1/2" ANGLE GRINDER Never place your hand near the rotating accessory. The accessory may kickback over your hand. Do not position your body in the area where the angle grinder will move if kickback occurs. Kickback will propel the tool in the direction opposite to the wheel’s movement at the point of snagging.

  • Page 10: Extension Cord Safety

    and carefully reenter the cut. The wheel may bind, walk up or kickback if the power tool is restarted in the workpiece. Support panels or any oversized workpiece to minimize the risk of wheel pinching and kickback. Large workpieces tend to sag under their own weight. Supports must be placed under the workpiece near the line of cut and near the edge of the workpiece on both sides of the wheel.
  • Page 11 1250-000 4-1/2" ANGLE GRINDER Use a separate electrical circuit for your power tools. This circuit must not be less than 14 gauge wire and should be protected with either a 15 AMP time delayed fuse or circuit breaker. Before connecting the power tool to the power source, make sure the switch is in the OFF position and the power source is the same as indicated on the nameplate.

  • 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 Three-phase alternating Volts current Three-phase alternating Amperes current with neutral Hertz direct current Watts No load speed Kilowatts Alternating or direct current Microfarads...

  • Page 13: Know Your Angler Grinder

    1250-000 4-1/2" ANGLE GRINDER KNOW YOUR ANGLE GRINDER Anti-Vibe Anti-vibe auxiliary Blade wrench Air vents handle Spindle locking button Lock-on button Paddle ON/OFF Grinding disc Guard switch toggle WARNING: Accessories must be rated for at least 11,800 RPM. Grinding wheels and accessories rated below 11,800 RPM may explode causing serious injury.
  • Page 14 Fig. 1 Fig. 2 INSTALLING THE GRINDING DISC GUARD (Fig. 2) WARNING: The grinding disc guard must be installed before installing a grinding disc or using the angle grinder. Failure to do so could result in serious personal injury. 1. Pull the guard clamp lever (1) outward to allow the guard clamp to expand for installation.
  • Page 15 1250-000 4-1/2" ANGLE GRINDER WARNING: The guard must be positioned correctly to protect the operator. Guard placement depends upon which side of the tool the anti-vibe auxiliary handle position as noted in Fig. 3 or 4. CHANGING A GRINDING DISC (Fig. 5) WARNING: Use the correct size grinding disc.
  • Page 16 Fig. 5 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 grinder is used: 1.
  • Page 17 1250-000 4-1/2" ANGLE GRINDER Fig. 6 GRINDING Always select and use grinding discs that are recommended for the material to be ground. Make sure that the maximum operating speed of the grinding disc selected is not less than 11,800 RPM.
  • Page 18 Use just enough pressure to keep the angle grinder from chattering or bouncing. Heavy pressure will decrease its speed and put a strain on the motor. Normally, the weight of the tool alone is adequate for most grinding jobs. Use light pressure when grinding jagged edges or loose bolts where there is potential for the angle grinder to snag on the metal edge.

  • Page 19: Maintenance

    1250-000 4-1/2" ANGLE GRINDER MAINTENANCE GENERAL WARNING: When servicing, use only identical replacement parts. The use of any other part may create a hazard or cause product damage. DO NOT use solvents when cleaning plastic parts. Plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use.
  • Page 20 Removing worn brushes 1. Remove the grinding disc. 2. Remove the disc guard. 3. Lay the tool on its left side on a towel or on cardboard (Fig. 8). 4. Remove 6 screws (1) from the right-hand side of the handle using a #2 screwdriver.
  • Page 21 1250-000 4-1/2" ANGLE GRINDER Fig. 10 INSTALLING NEW MOTOR BRUSHES 13. Once the old carbon brush has been removed, use a SOFT DRY brush to carefully remove all grinding dust from the brush holder and install the new carbon brush in the reverse order that was used to remove the worn carbon brush.

  • Page 22: Exploded View

    EXPLODED VIEW...

  • Page 23: Parts List

    1250-000 4-1/2" ANGLE GRINDER 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 Key # Part # Part Name Quantity 4010010053 BEARING 607 RS 3140040001 BEARING SLEEVE 4030010106 SCREW ST3.9×75 3150050088 AIR BAFFLE PLATE 1020150035 STATOR 4030010023 SCREW ST2.9×8 1230010142 CARBON BRUSH 1230030026 BRUSH HOLDER 2050020025 BRUSH SPRING 3011150025 MOTOR HOUSING 2050050051 LOCK-OFF BUTTON SPRING 4130010016 COTTER PIN 2020230004...

  • Page 25: Warranty

    WARRANTY BENCHMARK 4-1/2" ANGLE GRINDER WARRANTY If this Benchmark tool fails due to a defect in material or workmanship within five years from the date of purchase, return it to any Home Hardware store with the original bill of sale for exchange. 3-year warranty for the battery and charger. This warranty does not include expendable parts including but not limited to blades, brushes, belts, light bulbs.
  • Page 26 4-1/2" ANGLE GRINDER *5 year limited warranty on tool 1250-000 BENCHMARK TOOLS CANADA Made in China ST. JACOBS, ONTARIO N0B 2N0 © 2021 Home Hardware Stores Limited CUSTOMER SERVICE/TECH SUPPORT 1-866-349-8665 * This Benchmark READ ALL INSTRUCTIONS BEFORE FIRST USE.

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