8” Variable Speed Bench Grinder 241-0818 To Reduce The Risk Of Injury, User Must Read And Understand Operator’s Manual. Save These Instructions For Future Reference.
TABLE OF CONTENTS Safety Symbols.........................................................Page 2 Safety Instructions...................................................Page 3 Carton Contents......................................................Page 8 Specifications.........................................................Page 9 Overview..............................................................................Page 10 Assembly Instructions...........................................................
SAFETY SYMBOLS THIS SYMBOL DESIGNATES THAT THIS TOOL IS LISTED BY THE INTERTEK TESTING SERVICES, TO UNITED STATES AND CANADIAN STANDARDS Page 2
SAFETY INSTRUCTIONS California Proposition 65 WARNING This product can expose you to chemicals including Lead and Dibutyl phthalate, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.
SAFETY INSTRUCTIONS GENERAL SAFETY Operating a Bench Grinder can be dangerous if safety and common sense are ignored. The operator must be familiar with the operation of the tool. Read this manual to understand this Bench Grinder. DO NOT operate this Bench Grinder if you do not fully understand the limitations of this tool. DO NOT modify this Bench Grinder in any way.
SAFETY INSTRUCTIONS 15. REMOVE ALL MAINTENANCE TOOLS from the immediate area prior to turning “ON” the Bench Grinder. 16. USE ONLY RECOMMENDED ACCESSORIES. Use of incorrect or improper accessories could cause serious injury to the operator and cause damage to the tool. If in doubt, check the instruction manual that comes with that particular accessory. 17. NEVER LEAVE A RUNNING TOOL UNATTENDED. Turn the power switch to the “OFF” position. DO NOT leave the tool until it has come to a complete stop. 18.
SAFETY INSTRUCTIONS SPECIFIC SAFETY INSTRUCTIONS FOR BENCH GRINDERS The operation of any grinder can result in debris being thrown into your eyes, which can result in severe eye damage. ALWAYS WEAR EYE PROTECTION. Any power tool can throw debris during operations, which could cause severe and permanent eye damage. Everyday eyeglasse are NOT safety glasses. ALWAYS wear Safety Goggles (that comply with ANSI standard Z87.1) when operating power tools.
SAFETY INSTRUCTIONS 17. ADDITIONAL INFORMATION regarding the safe and proper operation of this product is available from: • Power Tool Institute 1300 Summer Avenue Cleveland, OH 44115-2851 www.powertoolinstitute.org • • • National Safety Council 1121 Spring Lake Drive Itasca, IL 60143-3201 American National Standards Institute 25 West 43rd Street, 4th Floor New York, NY 10036 www.ansi.org ANSI 01.1 Safety Requirements for Woodworking Machines and the U.S. Department of Labor regulations www.osha.gov 18.
SAFETY INSTRUCTIONS EXTENSION CORDS Keep the extension cord clear of the working area. Position the cord so that it will not get caught on lumber, tools or other obstructions while you are working with a power tool. Use a proper extension cord. Only use cords listed by Underwriters Laboratories (UL). Other extension cords can cause a drop in line voltage, resulting in a loss of power and overheating of tool. When operating a power tool outdoors, use an outdoor extension cord marked “W-A” or “W”.
CARTON CONTENTS UNPACKING AND CHECKING CONTENTS (Fig. C) This Bench Grinder will require a minimal amount of assembly. 1. Remove parts from all of the cartons and lay them on a clean work surface. 2. Remove any protective materials and coatings from all of the parts and the bench grinder. The protective coatings can be removed by spraying WD-40 on them and wiping it off with a soft cloth. This may need to be redone several times before all of the protective coatings are removed completely.
OVERVIEW FIG. D K A L J B I C D E F H G 241-0818 8” BENCH GRINDER OVERVIEW (Fig. D) A. Eyeshield Assembly, Left B. 8” Grinding Wheel 60 Grit C. Tool Rest Support D. Tool Rest Adjustment Knobs E. Variable Speed Dial F. On/Off Switch G. Quench Tray H. Mounting Hole (x2) I. 8” Wire Wheel J. Wheel Cover K. Gooseneck Lamp L.
ASSEMBLY INSTRUCTIONS The Bench Grinder is provided with a left and right two piece Tool Rest. Right Tool Rest has a flat, smooth surface to lay your workpiece against. Left tool rest is used to sharpen twist drill bits. FIG. F 1. DO NOT assemble the Bench Grinder until you are sure the tool IS NOT plugged in. 2. DO NOT assemble the Bench Grinder until you are sure the power switch is in the “OFF” position. 3.
ASSEMBLY INSTRUCTIONS EYESHIELDS (Fig. H) PERMANENT MOUNTING (Fig. I ) 1. Assemble the eyeshield (C) to the Spark Arrestor (A) inserting carriage head screw (B) through the Spark Arrestor and the Eyeshield as shown. See Figure H. Use the mounting pads on the base of the grinder to firmly attach grinder to a solid work surface (hardware not included). See Figure I. 2. Assemble the flat washer (D) and Lock Knob (E) to the carriage head screw and tighten until the Eyeshield remains in the desired position.
OPERATING THE BENCH GRINDER The Bench Grinder is designed for hand held grinding, sharpening, and cleaning operations. ALWAYS WEAR EYE PROTECTION! Hot sparks are produced during grinding operations. Sharpening and removal of metal can be done on the right side of the Bench Grinder using the grinding wheel. Cleaning of metal surfaces can be done using the wire wheel on the left side of the Bench Grinder. GRINDING SPEED CHART To avoid serious injury, never grind on the sides of the grinding wheels. 7.
OPERATING THE BENCH GRINDER USING THE WHEEL DRESSER (Fig. J) FIG. J 7. Inspect the grinding wheel for any damage! 8. The grinding wheel may now be slightly smaller in diameter after dressing. Readjust the tool rests and spark arrestors to maintain a 1/16” clearance to the grinding wheel. CHANGING THE GRINDING WHEEL (Fig. K) FIG. K The Wheel Dresser is to be used on the grinding wheels.
OPERATING THE BENCH GRINDER 6. NOTE: The left hand arbor hex nut (E) is left hand threaded and is loosened by rotating it clockwise. The right hand arbor hex nut is right hand threaded and is loosened by rotating it counter-clockwise. WIRE WHEEL or BUFFING WHEEL (Fig. L) FIG. L 7. Remove the Outer Wheel Flange (H) and then the abrasive wheel (I) from the arbor shaft. 8. The new abrasive wheel to be put onto the grinder must have a higher R.P.M. rating than the grinder (3450 R.P.M.).
TROUBLESHOOTING TO PREVENT INJURY TO YOURSELF or damage to the Bench Grinder, turn the switch to the “OFF” position and unplug the power cord from the electrical receptacle before making any adjustments.
PARTS EXPLOSION 241-0818 8” BENCH GRINDER Page 17
PARTS LIST 241-0818 8” BENCH GRINDER Part No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Description QTY Phillips Screw w/Flat Washer M4X6 4 Coolant Tray 1 Coolant Tray plate 1 Circuit Board 1 Phillips Screw ST2.
PARTS LIST 241-0818 8” BENCH GRINDER Part No.
NOTES Page 20
NOTES Page 21
8” Variable Speed Bench Grinder 7-1/4" Contractor Grade Circular Saw NOTES WARRANTY 90-DAY MONEY BACK GUARANTEE This MASTERFORCE¨ brand power tool carries our 90-Day Money Back Guarantee. If you are not completely satisfied with your MASTERFORCE¨ brand power tool for any reason within ninety (90) days from the date of purchase, return the tool with your original receipt to any MENARDS¨ retail store, and we will provide you a refund - no questions asked.
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