WEN 4276 Use and Care Manual
Contents
1. OPERATOR S MANUAL 6 Bench Grinder Model 4276 h IMPORTANT Your new tool has been engineered and manufactured to WEN s high standards for depend ability ease of operation and operator safety Properly cared for it will give you years of rugged trouble free performance Pay close attention to the Rules for Safe Operation Warnings and Cautions If you use your tool properly and only for what it is intended you will enjoy years of safe reliable service It s not how it s WEN the project get s done Have product questions or need technical support Please feel free to contact us Q WenProducts com CONTENTS Toena 7 WODREREEDBEEERSIERERERERERIERUEDERAEEREREREREHREREIER EDER RERRAERNG 2 CNG hal Salle Eee ee 3 Specific safety rules for bench grinder 0 cece cece cece eee ee eeees 5 PIC ot al TH ORM AION 5 ernennen 1 CASE CONIC MUS air otingeresiatotneaedtulaceuaensadinbnedacaretalaretaeeradinas ounce 9 Know your bench grinder 2222222ssssssssssnnssnnnnnnnnnnnnenn 10 PASS UMD h cas tea E E E E ececnnes E 11 Oei a i PEE A E E E E EET 12 NM NO ene E A RE 13 Exploded VIEW nennen eae 14 SE IS ee a er ee T 15 N TAN E ee ee ee ae 16 TECHNICAL DATA 6 Bench Grinder Model 42776 Motor 120 V 60 Hz 2 1A 1 3 HP Speed 3450 RPM no load Wheel size 6 x3 4 Arbor size 1 2 Wheel Grits 36 Coarse 60 Medium Lamp 120V 40W Bulb not included Weight2. 16 Ib GENERAL SAFETY RULES GENERAL SAFETY INSTRUCTIONS 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 BEFORE USING THE BENCH GRINDER WARNING To avoid serious injury and damage to the tool read and follow all of the Safety and Operating Instructions before operating the Bench Grinder dh WARNING SOME DUST created by using power tools contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paints e Crystalline silica from bricks cement and other masonry products e Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work n a well ventilated area with approved safety equipment such as dust masks specially designed to filter out microscopic particles 2 READ the entire owner s manual LEARN how to use the tool for its intended applications GROUND ALL TOOLS If the tool 1s supplied with a three prong plug it must be plugged into a three contact electrical receptacle The third prong is used
3. 1 800 232 1195 To acquire service you will have to provide proof of purchase and may be asked to ship the tool back to us freight prepaid THIS LIMITED WARRANTY DOES NOT APPLY TO ACCESSORY ITEMS SUCH AS CIRCULAR SAW BLADES DRILL BITS ROUTER BITS JIGSAW BLADES SANDING BELTS GRINDING WHEELS AND OTHER RELATED ITEMS ANY IMPLIED WARRANTIES SHALL BE LIMITED IN DURATION TO ONE 1 YEAR FROM DATE OF PURCHASE SOME STATES IN THE U S SOME CANADIAN PROVINCES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU IN NO EVENT SHALL SELLER BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO LIABILITY FOR LOSS OF PROFITS ARISING FROM THE SALE OR USE OF THIS PRODUCT SOME STATES IN THE U S AND SOME CANADIAN PROVINCES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE IN THE U S PROVINCE TO PROVINCE IN CANADA AND FROM COUNTRY TO COUNTRY THIS LIMITED WARRANTY APPLIES ONLY TO PORTABLE ELECTRIC TOOLS BENCH POWER TOOLS OUTDOOR POWER EQUIPMENT AND PNUMATIC TOOLS SOLD WITHIN THE UNITED STATES OF AMERICA CANADA AND THE COMMONWEALTH OF PUERTO RICO FOR WARRANTY COVERAGE WITHIN OTHER COUNTRIES CONTACT THE WEN CUSTOMER SUPPORT WWW WENPRODUCTS COM 16
4. can only be turned on after all the parts have been obtained and installed correctly The following items are to be provided in the shipping box Eye Shield Assembly 2 Eye Shield Bracket 2 Locking Knob M5 2 Tool Rest 2 Lock Washer 6 2 Flat Washer 6 2 Carriage Head Screw M6x14 2 Tool Rest Knob M6 2 Hex Head Bolt M6x30 2 10 Spark Deflector 2 11 Screw Flat Washer and Spring Washer Kit 2 a ca a a 9 KNOW YOUR BENCH GRINDER 11 INNER WHEEL GUARD Covers the grinding wheels and protects against accidental contact TOOL RESTS Used to support the workpiece that is being ground Adjustable to provide angled surfaces GRINDING WHEEL 36 GRIT Used to remove heavy material from workpiece EYESHIELD Protective Lexan see thru shields to prevent any loose debris from contacting the operator LOCKING KNOB Lock the eyeshield in position FLEXIBLE WORK LIGHT Provides light to the operator during set up or grinding operations 10 11 10 SPARK ARRESTOR Prevents hot sparks and debris from contacting the operator WHEEL COVER Covers the grinding wheels and provides quick access for routine maintenance GRINDING WHEEL 60GRIT Used to remove light material from workpiece ON OFF SWITCH Used to turn ON and turn OFF the grinder MOTOR HOUSING Contains the electrical motor ASSEMBLY Warning To avoid injury from unexpected starting or electrical shock do not plug
5. it Protect your extension cords from sharp objects excessive heat and damp wet areas Use a separate electrical circuit for your tools This circuit must not be less than a 12 wire and should be protected with a 15 A time delayed fuse Before connecting the motor to the power line make sure the switch is in the OFF position and the electric current is rated the same as the current stamped on the motor nameplate Running at a lower voltage will damage the motor A WARNING This tool must be grounded while in use to protect the operator from electric shock CARTON CONTENTS UNPACKING AND CHECKING CONTENTS This bench grinder requires a m n mal amount of assembly l Remove parts from all ofthe cartons and lay them on a clean work surface 2 Remove any protective materials and coatings from the bench grinder and its parts The protective coatings can be removed by spraying on WD 40 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 CAUTION Do not use acetone gasoline or lacquer thinner to remove any protective coatings 3 Compare the items below verify that all items are accounted for before discarding the shipping box If there are any missing parts call our customer helpline at 1 800 232 1195 Mon Fri 3AM 5PM CST WARNING If any parts are missing do not attempt to plug in the power cord and turn on the Bench Grinder The Bench Grinder
6. the power cord h 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 TOOL RESTS SPARK ARRESTORS AND EYE SHIELDS 1 Install left tool rest to the left wheel guard Use a knob screw and nut to secure it in place as shown in Figure 1 2 Install right tool rest to the right wheel guard using a knob screw and nut 3 Adjust the tool rests to within 1 16 of the grinding wheel To adjust this distance loosen knobs and move tool rests Right Shield 4 Attach a spark arrestor to each wheel guard using a screw as shown in Figure 2 Adjust each spark arrestor to within 1 16 0 0625 of the grinding wheel and tighten each screw 5 Attach right shield arm to the right wheel guard using a bolt and washers see Figure 2 Figure 2 6 Attach left shield arm to the left wheel guard using bolt and washers 7 Attach right eye shield to right shield arm using knob as shown in Figure 3 Knoo 9 ATI Right 4 TERSAT 8 Attach left eye shield to left shield arm using knob a WL ay By ii NEN N A pi Shel Eye WORK LIGHT cy Shield The Bench Grinder is provided with a flexible work light to assist in visibility of the workpiece Figure 3 The Bench Grinder is NOT provided with a light bulb for the flexible work light
7. to remove accumulated dust Wear safety goggles to protect your eyes while cleaning 2 Ifthe body of the grinder needs cleaning wipe it down with a soft damp cloth A mild detergent can be used Do not use alcohol petrol or other similar cleaning agents Do not make contact with the grinding wheels with any damp cloth 3 Always make sure the eye shields are transparent and not blocking the view of the grinding wheel 4 Innormal use grinding wheels may become cracked grooved rounded at the edges chipped out of true or loaded with foreign material Cracked wheels should be replaced IMMEDIATELY While any of the other conditions can be remedied with a dressing tool included new wheels sometimes require dressing to make them round 5 Ifyou must replace a wheel be sure to obtain one with a safe rated speed at least as high as the NO LOAD RPM marked on your grinder s nameplate Replacement wheels must have a 12 inch center hole and a 6 inch diameter with a maximum width of inch Test new wheels for cracks and maintain the existing sequence of retaining hardware Be sure the tool is unplugged before attempting repairs Caution Never use caustic agents to clean the plastic parts of the tool Caution Water must never come into contact with the grinder Caution The use of any other accessories is not recommended and may result in serious injury 13 EXPLODED VIEW 14 PARTS LIST rs 4276 006 Tool Rest Lock Kno
8. an grinding dust from beneath the grinder DO NOT OPERATE THIS TOOL WHILE UNDER THE INFLUENCE OF DRUGS ALCOHOL OR ANY MEDICATION ALWAYS STAY ALERT Do not allow familiarity to cause a careless mistake Always remember that a careless fraction of a second is sufficient enough to inflict severe injury STAY ALERT AND EXERCISE CONTROL Watch what you are doing and use common sense Do not operate the tool when you are tired Do not rush SAVE THESE INSTRUCTIONS Refer to them frequently and use them to instruct other users If you loan someone this tool loan them these instructions also ALWAYS EASE THE WORKPIECE AGAINST THE ABRASIVE WHEEL when starting to grind A harsh impact can break the wheel Use light pressure when starting to grind Too much pressure on a cold wheel can cause the wheel to crack USE ONLY FLANGES furnished with this bench grinder IF ANY PART OF THIS GRINDER IS MISSING broken bent or damaged in any way or if any electrical component fails to perform properly shut off the power switch remove the machine plug from the power source and have the damaged missing or failed parts replaced before operation THE SAFETY EYESHIELDS AND SPARK DEFLECTORS are adjustable for operator convenience Operating the grinder without these features attached could result in serious injury Do not grind with the safety eyeshield raised Always wear safety glasses for personal protection THE WORK RESTS are independently adjustable t
9. b rs 4276 008 ne 9 4276 009 vet 4276 027 Switch Plate 4276 028 Fastener Assembly 4276 030 Fastener Assembly 4276 031 Rubber Foot 4276 033 Flat Washer 4276 034 4276 035 Right Guard Cover 4276 036 Grinding Wheel 4276 037 Right Guard 4276 038 Right Tool Rest 4276 039 Fastener Assembly 4276 041 Cord Clip 4276 043 Right Eyeshield 4276 044 Right Eyeshield Bracket 4276 048 Eyeshield Knob 4276 049 Locking Knob 15 LIMITED TWO YEARS WARRANTY WEN Products is committed to build 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 Ninety days for all WEN products if the tool is used for professional use SELLER S SOLE OBLIGATION AND YOUR EXCLUSIVE REMEDY under this Limited Warranty and to the extent permitted by law any warranty or condition implied by law shall be the repair or replacement of parts without charge which are defective in material or workmanship and which have not been misused carelessly handled or misrepaired by persons other than Seller or Authorized Service Center To make a claim under this Limited Warranty please contact us at
10. es For example pipes radiators ranges refrigerator enclosures DO NOT use wheels with incorrect size holes NEVER use wheel washers or wheel screws that are defective or incorrect and NEVER touch a grinding wheel or other moving parts NEVER reach to pick up a workpiece a piece of scrap or anything else that is in or near the grinding path of the wheel AVOID AWKWARD OPERATIONS AND HAND POSITIONS where a sudden slip could cause your hand to move into the wheel ALWAYS make sure you have good balance NEVER stand or have any part of your body in line with the path of the wheel 20 21 22 23 24 29 26 27 28 29 30 31 32 DO NOT USE TOOL IF SWITCH DOES NOT TURN IT ON AND OFF Have defective switches replaced by an authorized service center DO NOT TURN THE MOTOR SWITCH ON AND OFF RAPIDLY This could cause the wheel to loosen and create a hazard Should this ever occur stand clear and allow the wheel to come to a complete stop Disconnect your grinder from the power supply and retighten the wheel nut securely RISK OF INJURY DUE TO ACCIDENTAL STARTING Do not use in an area where children may be present NEVER START THE GRINDER when the wheel is in contact with the workpiece SECURE WORK Always hold the workpiece firmly against the work rest DO NOT USE THE BENCH GRINDER ifthe flange nut or clamp nut is missing or 1f the spindle shaft is bent FREQUENTLY cle
11. h To reduce the risk of fire use a 120 Volt 40 Watt or less track light bulb type R20 medium base or equivalent not included DO NOT use a light bulb that extends past the end of the light housing CAUTION The Flexible Work Light housing will remain hot for a few minutes after turning it OFF Avoid contact with housing until it has cooled 11 OPERATION Caution Keep all bystanders a safe distance away from the tool and not in direct line front or back of the grinder l Your bench grinder has a medium wheel 60 grit for medium material removal and general purpose grinding and a coarse wheel 36 grit for fast material removal 2 To operate the bench grinder always wear safety glasses and turn the tool on while standing at the side of the grinder as opposed to in front Allow it to reach full speed before grinding 3 Hold the work piece firmly against the tool rest Hold very small pieces with pliers or other suitable clamps 4 Feed the work piece smoothly and evenly into the grinding wheel 5 Move the work piece slowly and avoid jamming the work piece against the wheel If the wheel tends to slow down from excessive force you should occasionally release the pressure to let the wheel return to full speed 6 Grind only on the face of the grinding wheel never the side of it such materials h Caution Prolonged grinding will cause most materials to become hot Use care when handling SCISSORS If possib
12. is properly grounded USE ONLY THREE WIRE EXTENSION CORDS that have three pronged plugs and outlets that accept the tool s plug as shown in Fig A Repair or replace a damaged or worn cord immediately CAUTION In all cases make certain the outlet in question 1s properly grounded If you are not sure have a licensed electrician check the outlet 1 3 pronged plug grounding prong 3 properly grounded outlet WARNING This tool is for indoor use only Do not expose to rain or use n damp locations Guidelines for using extension cords Make sure your extension cord 1s in good condition When using an extension cord be sure to use one heavy enough to carry the current your product will draw An undersized cord will cause a drop in line voltage resulting in loss of power and overheating The table below shows the correct size to be used according to cord length and nameplate ampere rating When in doubt use the next heavier gauge The smaller the gauge number the heavier the cord Minimum Gauge for Extension Cords AWG When using 120 V only Total Length of Cord in feet i 0 6 Amps 18 gauge 16 gauge 16 gauge 14 gauge 10 Amps 18 gauge 16 gauge 14 gauge 12 gauge 6 10 12 Amps 16 gauge 16 gauge 14 gauge 12 gauge 12 16 Amps 14 gauge 12 gauge Not Recommended Make sure your extension cord is properly wired and in good condition Always replace a damaged extension cord or have it repaired by a qualified person before using
13. le take the scissors apart to make the sharpening operation easier and safer Remove material only from the outside surface and work from the heavy end of the blade toward the tip KNIVES Remove metal from both faces of most knives working from the heavy end of the blade toward the tip SCREWDRIVERS The end of a properly sharpened screwdriver will be a perfectly flat rectangle perpendicular to the centerline of the shank The two sides and two faces will taper outward from the edge of the shoulder or shank They should be flat with perpendicular intersecting faces Hold each face of the screwdriver against the wheel to true it up then ease the end straight into the stone to grind it true LAWN MOWER BLADES Lawn mower blades are usually sharpened on only one side and dressed up slightly on the other After sharpening be sure to balance the blade by removing additional material from the heavy end There are a number of inexpensive cone balancers on the market for this purpose Unbalanced blades can cause serious crank shaft damage to your lawn mower Always remove spark plug wires from the mower before servicing the blades to prevent accidental starting 12 Maintenance Warning For your own safety turn switch to OFF and remove plug from power source outlet before adjusting and maintaining your bench grinder If power cord is worn cut or damaged in any way have it replaced immediately 1 Regularly check the tool and use a soft brush
14. moving parts A guard or other part that is damaged should be immediately repaired or replaced CHILDPROOF THE WORKSHOP AREA by removing switch keys unplugging tools from the electrical receptacles and using padlocks SECURE ALL WORK Use clamps or jigs to secure the workpiece This is safer than attempting to hold the workpiece with your hands STAY ALERT WATCH WHAT YOU ARE DOING AND USE COMMON SENSE WHEN OPERATING A POWER TOOL DO NOT USE A TOOL WHILE TIRED OR UNDER THE INFLUENCE OF DRUGS ALCOHOL OR MEDICATION A moment of inattention while operating power tools may result in serious personal injury ALWAYS WEAR A DUST MASK TO PREVENT INHALING DANGEROUS DUST OR AIRBORNE PARTICLES including wood dust crystalline silica dust and asbestos dust Direct particles away from face and body Always operate tool in a well ventilated area and provide for proper dust removal Use dust collection system wherever possible Exposure to dust may cause serious and permanent respiratory damage or other injury including silicosis a serious lung disease cancer and death Avoid breathing and prolonged contact with dust Allowing dust to get into your mouth eyes or onto your skin may result in absorption of harmful material Always use properly fitting NIOSH OSHA approved respiratory protection for dust exposure Wash exposed areas with soap and water USE SAFETY GOGGLES AT ALL TIMES that comply with ANSI Z87 1 Normal safety glasses only have impact re
15. o compensate for wheel wear Before grinding make certain the work rests are adjusted properly Generally the object being ground is done slightly above the center of the grinding wheel 33 LAWN MOWER BLADES are usually sharpened on only one edge and dressed up slightly on the other Perform this sharpening process on both cutting ends of the blade After sharpening balance the blade by removing additional material ELECTRICAL INFORMATION Grounding instructions IN THE EVENT OF A MALFUNCTION OR BREAKDOWN grounding provides the path of least resistance for electric current and reduces the risk of electric shock This tool 1s 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 If it will not fit the outlet have the proper outlet installed by a licensed electrician IMPROPER CONNECTION of the equipment grounding conductor can result in electric shock The conductor with the green insulation with or without yellow stripes 1s the equipment grounding conductor If repair or replacement of the electric cord or plug is necessary DO NOT connect the equipment grounding conductor to a live terminal CHECK with a licensed electrician or service personnel if you do not completely understand the grounding instructions or whether the tool
16. s or performing maintenance KEEP PROTECTIVE GUARDS IN PLACE AND IN WORKING ORDER AVOID ACCIDENTAL STARTING Make sure that the power switch 1s in the OFF position before plugging in the power cord to the electrical receptacle REMOVE ALL MAINTENANCE TOOLS from the immediate area prior to turningk S on the Bench Grinder fp USE ONLY RECOMMENDED ACCESSORIES Use of incorrect or improper accessories could cause serious injury to the operator and damage to the tool When in doubt check the instruction manual that comes with that particular accessory FORESIGHT IE BETTER THAN NO SIGHT NEVER LEAVE A RUNNING TOOL UNATTENDED Turn the power switch to the OFF position Do not leave the tool until t has come to a complete stop DO NOT STAND ON A TOOL Serious injury could result if the tool tips over or you accidentally contact the tool DO NOT store anything above or near the tool to ensure that no one stands on the tool for better reach MAINTAIN YOUR BALANCE DO NOT extend yourself over the tool Wear oil resistant rubber soled shoes Keep floor clear of debris grease and wax MAINTAIN TOOLS WITH CARE Always keep tools clean and in good working order Keep all blades and tool bits sharp EACH AND EVERY TIME CHECK FOR DAMAGED PARTS PRIOR TO USING THE TOOL Carefully check all guards to see that they are not damaged and properly performing their intended functions Check for alignment binding or breaking of
17. sistant lenses and are not designed for safety Wear a face or dust mask when working n a dusty environment Use ear protection such as plugs or muffs during extended periods of operation l SAVE THESE INSTRUCTIONS SPECIFIC SAFETY RULES FOR BENCH GRINDER USE GRINDING WHEELS suitable for the speeds of the grinder STAND BESIDE the bench grinder during start up not directly in front DO NOT REMOVE THE WHEEL GUARD DO NOT USE THE GRINDING WHEEL TO CUT ANYTHING DO NOT USE ANYTHING TO STRESS THE GRINDING WHEEL USE A GRINDING WHEEL DRESSING TOOL to shape or remove glaze from grinding wheels ADJUST DISTANCE between wheel and tool rest to maintain at most a 1 8 nch 3 2 mm separation as the diameter of the wheel decreases with usage CONNECT TO A SUPPLY CIRCUIT protected by a circuit breaker or time delay fuse SECURE THE BENCH GRINDER to its supporting surface to prevent the grinder from tipping over sliding or walking on its supporting surface e Replace a cracked wheel immediately e Always use the guards and eye shields e Do not overtighten the wheel nut e Use only flanges furnished with this grinder ALWAYS INSPECT GRINDING WHEELS prior to use for cracks missing pieces etc Replace wheel immediately before use if imperfections are present USE ONLY GRINDING WHEELS that comply with ANSI B7 1 and rated greater than 3550 RPM GUARD AGAINST ELECTRICAL SHOCK by preventing body contact with grounded surfac
18. to ground the tool and provide protection against accidental electric shock DO NOT remove the third prong 4 AVOID A DANGEROUS WORKING ENVIRONMENT DO NOT use electrical tools in a damp environment or expose them to rain 5 DO NOT use electrical tools in the presence of flammable liquids or gasses 6 ALWAYS keep the work area clean well lit and organized DO NOT work in an environment with floor surfaces that are slippery from debris grease and wax 7 KEEP VISITORS AND CHILDREN AWAY DO NOT permit people to be in the immediate work area especially when operating the electrical tool 8 DO NOT FORCE THE TOOL to perform an operation for which it was not designed The tool will do a safer and higher quality job by only performing operations for which it was intended 9 WEAR PROPER CLOTHING DO NOT wear loose clothing gloves neckties or jewelry These items can get caught in the machine during operations and pull the operator into the moving parts Longhaired users must wear a protective cover on their hair to prevent it from contacting any moving parts 10 CHILDPROOF THE WORKSHOP AREA by removing switch keys unplugging tools from the electrical receptacles and using padlocks 11 DO NOT use electrical tools in the presence of flammable liquids or gasses 3 13 14 15 16 21 22 23 24 25 26 27 ALWAYS UNPLUG THE TOOL FROM THE ELECTRICAL RECEPTACLE when making adjustments changing part
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