2 11 10 9 8-INCH SLOW SPEED BENCH GRINDER 8 7 6 5 4 3 2 1 H H G G F F E E D D C C 226002 Model # 4286 For replacement parts visit WENPRODUCTS.COM bit.ly/WENvideo B B UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: IMPORTANT: A SIGNATURE NAME DEBURR AND BREAK SHARP EDGES FINISH: DO NOT SCALE DRAWING REVISION TITLE: DATE DRAWN CHK'D A APPV'D MFG DWG NO. MATERIAL: Q.
TABLE OF CONTENTS Technical Data General Safety Rules Specific Safety Rules For Bench Grinders Electrical Information Know Your Bench Grinders Assembly Operation Maintenance Exploded View & Parts List Troubleshooting Warranty 2 3 5 7 8 9 10 12 14 16 17 TECHNICAL DATA Model Number: Motor: Wheel Speed: Grinding Wheel Size: Arbor Size: Wheel Grits: Net Weight: Product Dimensions: 4286 120V, 60 Hz, 3A 1750 RPM (no load) 8 inches x 1 inch 5/8 inch #120 (Fine) / #60 (Medium) 8 pounds 14.5 x 7.
GENERAL SAFETY RULES Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE SAFETY INSTRUCTIONS. WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and serious injury. To avoid mistakes and serious injury, do not plug in your tool until the following steps have been read and understood. WORK AREA SAFETY 1. Keep work area clean and well lit.
GENERAL SAFETY RULES POWER TOOL USE AND CARE 1. Avoid accidental start-ups. Make sure the power switch is in the OFF position before connecting the plug to a power source or carrying the tool. 2. Check power tool for damaged parts. Check for misalignment of moving parts, jamming, breakage, improper mounting, or any other conditions that may affect the tool’s operation. Do not use the power tool if the switch does not turn ON/OFF. Any part that is damaged should be properly repaired or replaced before use.
SPECIFIC RULES FOR BENCH GRINDERS WARNING: Do not plug in or operate this tool until the entire manual has been read and understood. Failure to do so may result in personal injury or machine damage. 1. Use only the correct grinding wheels that meet the following requirements: • The speed rating of the wheel is greater than 1750 RPM. • The wheel complies with ANSI B7.1. • The size of the wheel is 8 inches in diameter and 1 inch thick with a 5/8-inch arbor. Do not use wheels with incorrect arbor size. 2.
SPECIFIC RULES FOR THE BENCH GRINDER 16. New wheels may require dressing to make them round. Use a grinding wheel dressing tool (not included) to shape or remove glaze from grinding wheels. 17. Keep the distance between the wheel and tool rest at most a 1/8-inch (3.2 mm) space. Adjust the work rest accordingly as the wheel grinds down to a smaller diameter with use over time. 18. Guard against electrical shock by preventing body contact with grounded surfaces.
ELECTRICAL INFORMATION GROUNDING INSTRUCTIONS IN THE EVENT OF A MALFUNCTION OR BREAKDOWN, grounding provides the path of least resistance for an electric current and reduces the risk of electric shock. This tool is equipped with an electric cord that has an equipment grounding conductor and a grounding plug. The plug MUST be plugged into a matching outlet that is properly installed and grounded in accordance with ALL local codes and ordinances. DO NOT MODIFY THE PLUG PROVIDED.
KNOW YOUR GRINDER 12 11 4. Eye Shield 5. Locking Knob 10 9 8 7 6 5 6. Spark Deflector 4 3 4. Eye Shield 2 1 H H 10. Motor Housing G 7. Wheel Cover G F F 3. Grinding Wheel (120 Grit) E E D D 8. Grinding Wheel (60 Grit) 2. Tool Rests C C 1. Inner Wheel Guard B B 9. ON/OFF Switch UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: 1. INNER WHEEL GUARD - Covers the grinding wheels and protects against accidental contact.
ASSEMBLY WARNING: To avoid injury from unexpected starting or electrical shock, do not plug the power cord into a source of power during unpacking and assembly. This cord must remain unplugged whenever you are adjusting/ assembling the grinder. If any part is missing or damaged, do not attempt to assemble the grinder or plug in the power cord. All of the parts needed for assembly should be located and accounted for before beginning. TOOL REST ASSEMBLY 1.
ASSEMBLY MOUNTING TO THE WORK SURFACE (FIG. 7) The bench grinder should be firmly attached to a reliable work surface using mounting hardware (not included) through the base of the grinder’s mounting holes.. This will prevent the bench grinder from vibration, walking or tipping during operation. NOTE: This bench grinder is compatible with the WEN 4288 Cast Iron Bench Grinder Pedestal Stand. 1. Prepare 1/4 in. bolts, flat washers, lock washers and hex nuts (not included). The bolt length should be 1-1/2 in.
A OPERATION Fig. 10 Fig. 13 A BLADES (Fig. C) Fig. 13 g. 10 SHARPENING LAWN MOWER A Lawn mower blades are usually sharpened on only one edge A and dressed up slightly on the other. Perform this sharpening A process on both cutting ends of the blade. C C Screwdriver A After sharpening, be sure to balance the blade by removing additional material from the heavy end. Unbalanced blades can cause serious crank shaft damage to your lawn mower.
MAINTENANCE WARNING: For your own safety, turn the switch OFF and remove the plug from the electrical outlet before adjusting or performing maintenance or lubrication work on the grinder. Before using, check to make sure parts are not damaged, missing, or worn. Check for alignment of moving parts, binding of moving parts, improper mounting, or any other conditions that may affect the grinder’s operation.
MAINTENANCE CHANGING THE GRINDING WHEELS Grinding wheels should be inspected before each use. Store the grinding wheels to prevent them from the potential hazards of moisture, containments and other damage. 1 2 REPLACING THE GRINDING WHEELS 1. Disconnect the grinder from the power supply. 2. Rotate the eye shield out of the way in order to access the tool rest. 3. Loosen the tool rest knob and remove the tool rest from the grinding wheel. (Refer to Tool Rest Assembly on Page 8) 4.
EXPLODED VIEW & PARTS LIST 14
EXPLODED VIEW & PARTS LIST No. 1 2 3 Part No. 4286-001 4286-002 4286-004 Description Screw (M5x48) Bolt (M5x51) I Type Hex Nut (M16 Left) Qty 4 2 1 4 5 6 7 8 9 10 11 12 13 14 4286-005 4286-006 4276-013 4286-009 4276-011 4286-011 4286-012 4286-010 4276-005 4286-014 4276-002 Flange Grinding Wheel #120 (P200x25x15.
TROUBLESHOOTING PROBLEM The motor won’t start. SOLUTION 1) Low voltage 1) Make sure the power source is providing the 2) Loose connections or open circuit in the proper voltage. motor. 2) Inspect the motor for loose or open connec3) Blown fuse/breaker. tions. Send for servicing if found. 3) Replace the fuse or reset the breaker The motor is 1) Overloaded motor 1) Reduce load on the motor. getting way too 2) Extension cord too long or not thick 2) Utilize an extension cord with an approprihot. enough.
LIMITED TWO YEAR WARRANTY WEN Products is committed to building tools that are dependable for years. Our warranties are consistent with this commitment and our dedication to quality. LIMITED WARRANTY OF WEN CONSUMER POWER TOOLS PRODUCTS FOR HOME USE GREAT LAKES TECHNOLOGIES, LLC (“Seller”) warrants to the original purchaser only, that all WEN consumer power tools will be free from defects in material or workmanship for a period of two (2) years from date of purchase.