OPERATING MANUAL Bench Grinder
Contents
1. OPERATING MANUAL Bench Grinder 241 1443 IMPORTANT A Read through this operating manual carefully before using this tool Pay close attention to all Safety Instructions Warnings and Caution sections Use this tool properly and only for its intended use A Safety symbols in this Manual are used to call attention to possible dangers The safety symbols and their explanations require the operator s full understand ing The safety warnings do not by themselves eliminate any danger and they are not a substitute for proper accident prevention measures This Safety Alert Symbol indicates caution warning or danger Failure to obey a safety warning can result in serious injury to the operator or to others To reduce the risk of injury fire or electric shock always follow the safety precautions TABLE OF CONTENTS SPECIICAlONS sss a nania AAE RA ANARE EEN Rules for Safe Operation ccccsccseseeseeeeeeeeeeeeeeeaeaeenes DESCNIPUON enerne irada a aaea daa taiat Assembly and adjustment cccecseeceeeeeseeaeeeeeaeaeasanss Operation ceases Av Av Avene cicielaed Caw die vedic aie Maintenance iiie n cscaca dinte cose ere ea A Wana MY cess cess chases ened canes lentes EAR AENA esse REET SPECIFICATIONS Bench grinder Specifications Power 120 V 60Hz Rating 3A No load Speed 3450 RPM Wheel diameter 8 Wheel thickness 1 Arbor hole 5 8 Cord length 6 Feet W2. Grounding grounded in accordance with all local codes P 120V Grounded outlet and ordinances Do not modify the plug provided If it will not fit the outlet have the proper outlet installed by a qualified electrician lt Improper connection of the equipment grounding conductor can result in a risk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is 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 lt Check with a qualified electrician or service personnel if the grounding instructions are not completely understood or if in doubt as to whether the tool is properly grounded lt Repair or replace a damaged or worn cord immediately DESCRIPTION KNOW THE BENCH GRINDER Fig 2 The machine is intended for sharpening tools such as chisels planer blades scissors etc and for removing rust or corrosion WARNING Do not allow familiarity with the grinder to cause carelessness Remember that a careless fraction of a second is sufficient enough to inflict severe injury Fig 2 1 aap wD 7 8 9 10 Grinding wheel On Off switch Worklight switch Coolant tray Right work rest Left work rest grooved Left safety shield w magnifier Right safety shield Left wheel guard Worklight 11 Right wheel g
3. hand and it frees both hands to operate tool lt A DON T OVERREACH Keep proper footing and balance at all times lt MAINTAIN TOOLS WITH CARE Keep tools sharp and clean for best and safest performance Follow instructions for lubricating and changing accessories lt DISCONNECT TOOLS When not in use before servicing or when changing attachments grinding wheels etc all tools should be disconnected lt REDUCE THE RISK OF UNINTENTIONAL STARTING Be sure switch is off when plugging in any tool USE RECOMMENDED ACCESSORIES Consult the owner s manual for recommended accessories The use of improper accessories may cause risk of injury to persons lt NEVER STAND ON TOOL Serious injury could occur if the tool is tipped or if the cutting tool is unintentionally contacted lt CHECK DAMAGED PARTS Before further use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function check for alignment of moving parts binding of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced lt lt PROTECT YOUR LUNGS Wear a face or dust mask if the grinding operation is dusty lt PROTECT HEARING Wear hearing protection during extended periods of operation lt DO NOT ABUSE CORD Never yank cord to disconnect from rec
4. specially designed to filter out microscopic particles EXTENSION CORDS Use only 3 wire extension cords that have 3 prong grounding plugs and 3 pole receptacles that accept the tool s plug When using a power tool at a considerable distance from the power source use an extension cord heavy enough to carry the current that the tool will draw An undersized extension cord will cause a drop in line voltage resulting in a loss of power and causing the motor to overheat Use the chart provided below to determine the minimum wire size required in an extension cord Only round jacketed cords listed by Underwriter s Laboratories UL should be used Ampere rating on tool data plate 0 2 0 2 1 3 4 3 5 5 0 5 1 7 0 7 1 1 2 0 12 1 16 0 Cord Length Wire Size A W G 25 16 16 16 16 14 14 50 16 16 16 14 14 12 100 16 16 14 12 10 Used on 12 gauge 20 amp circuit NOTE AWG American Wire Gauge When working with the tool outdoors use an extension cord that is designed for outside use This is indicated by the letters WA on the cord s jacket Before using an extension cord inspect it for loose or exposed wires and cut or worn insulation WARNING 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 Failure to do so can result in seri ous personal injury WARNING Check extension cords bef
5. GEROUS ENVIRONMENT Don t use power tools in damp or wet locations or expose them to rain Keep work area well lighted lt KEEP CHILDREN AND VISITORS AWAY All visitors should be kept safe distance from work area lt MAKE WORKSHOP KID PROOF with padlocks master switches or by removing starter keys DON T FORCE TOOL It will do the job better and safer at the rate for which it was designed USE RIGHT TOOL Don t force tool or attachment to do a job for which it was not designed lt USE PROPER EXTENSION CORD Make sure your extension cord is in good 3 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 Table 1 shows the correct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gage The smaller the gage number the heavier the cord lt WEAR PROPER APPAREL Do not wear loose clothing gloves neckties rings bracelets or other jewelry which may get caught in moving parts Nonslip footwear is recommended Wear protective hair covering to contain long hair lt ALWAYS USE SAFETY GLASSES Also use face or dust mask if cutting operation is dusty Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses A SECURE WORK Use clamps or a vise to hold work when practical It s safer than using your
6. INJURY DUE TO ACCIDENTAL STARTING Do not use in an area where children may be present J NEVER START THE GRINDER when the wheel is in contact with the workpiece lt SECURE WORK Always hold workpiece firmly against the work rest a DO NOT USE THE BENCH GRINDER if the flange nut or clamp nut is missing or if the spindle shaft is bent FREQUENTLY clean grinding dust from beneath grinder lt lt STAY ALERT AND EXERCISE CONTROL Watch what you are doing and use common sense Do not operate tool when you are tired Do not rush lt IF THE POWER SUPPLY CORD IS DAMAGED it must be replaced only by the manufacturer or by an authorized service center to avoid risk J SAVE THESE INSTRUCTIONS Refer to them frequently and use to instruct other users If you loan someone this tool loan them these instructions also WARNING Some dust created by power sanding sawing grinding drill ing and other construction activities contains chemicals known 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 and cement and other masonry products and 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 in a well ventilated area and work with approved safety equipment such as those dust masks that are
7. LL BITS Fig 7 Drill bits are best sharpened ona sharpening jig available at most hardware stores Begin on one side On off switch of the point at the existing angle twist Coolant tray the bit while maintaining contact with the grinding surface Sharpen only Fig 7 the tip This technique requires considerable a practice so take your time and make a few dry runs first with the grinder off Be sure to maintain the original cutting edge angle as this TH is important to the efficiency of your bits One work rest has a V groove os HEE angled to fit most drill bits a SHARPENING CHISELS AND SCREWDRIVER BLADES When sharpening chisels and screwdrivers the work rest should support the blade at the correct angle against the wheel MAINTENANCE Before each use inspect the grinder switch and cord for damage Check for damaged missing or worn parts Check for loose screws misalignment or binding of moving parts or any other conditions that may affect the operation If abnormal vibration or noise occurs turn the tool off immediately and have the problem corrected before further use Before cleaning or performing any maintenance the tool should be unplugged from the power supply Using compressed air may be the most effective cleaning method Always wear safety goggles when cleaning tools with compressed air A WARNING Do not let brake fluids gasoline petroleum based products pene trati
8. cedure NOTE Be sure the grinding wheel and outer flange are properly seated on the spindle shaft WORKLIGHT BULB REPLACEMENT Fig 9 NOTE Follow these instructions to Fig 9 change a burnt out bulb 1 Turn off and unplug the grinder 2 Remove the two Phillips head screws from the top of worklight housing 3 Remove worklight housing 4 While gently pushing in bulb turn bulb to left to release 5 Place new bulb into bulb receptacle and gently push in while turning to the right until bulb is fully seated 6 Reinstall the worklight housing using the two Phillips head screws NOTE To avoid the risk of fire always use a 120v bulb with wattage no greater than 15w PERFORMAX Bench Grinder WARRANTY 30 DAY MONEY BACK GUARANTEE This PERFORMAX brand power tool carries our 30 Day Money Back Guarantee If you are not completely satisfied with your PERFORMAX brand power tool for any reason within thirty 30 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 2 YEAR LIMITED WARRANTY This PERFORMAX brand power tool carries a 2 Year Limited Warranty to the original purchaser If during normal use this PERFORMAX power tool breaks or fails due to a defect in material or workmanship within two 2 years from the date of original purchase simply bring this tool with the original sales recei
9. d allow the wheel to come to a complete stop Disconnect your grinder from the power supply and securely retighten the wheel nut lt USE ONLY FLANGES furnished with this bench grinder lt IF ANY PART OF THIS GRINDER IS MISSING or should break bend or fail in any way or should any electrical component fail to perform properly shut off the power switch remove the machine plug from the power source and have damaged missing or failed parts replaced before resuming operation MAKE SURE THE GRINDER IS SECURELY MOUNTED as described in the operating instructions before connecting the tool to a power supply lt DO NOT OVERTIGHTEN WHEEL NUT Excessive tightening can cause the wheel to crack during operation lt ALWAYS USE THE GRINDER S WHEEL GUARDS AND SAFETY SHIELDS lt INSPECT GRINDING WHEEL for visible defects Check the wheel for fissures and cracks and test for normal operation prior to use Replace cracked wheel immediately lt ADJUST distance between wheel and work rest to maintain 1 16 in or less separation as the diameter of the wheel decreases with use The value of separation used in the marking is to be the separation recommended by the manufacturer but shall not be more than 1 8 in lt ALWAYS EASE THE WORKPIECE AGAINST 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 RISK OF
10. defective or incorrect The maximum wheel capacity of your grinder is 8in lt NEVER TOUCH WHEEL or other moving parts during use NEVER START A TOOL WHEN ANY ROTATING COMPONENT IS IN CONTACT WITH THE WORKPIECE lt DO NOT OPERATE A TOOL WHILE UNDER THE INFLUENCE OF DRUGS ALCOHOL OR ANY MEDICATION J WHEN SERVICING use only identical replacement parts Use of any other parts may create a hazard or cause product damage lt USE ONLY RECOMMENDED ACCESSORIES listed in this manual or addendums Use of accessories that are not listed may cause the risk of personal injury Instructions for safe use of accessories are included with the accessory lt DOUBLE CHECK ALL SETUPS Make sure wheel is tight and not making contact with workpiece before connecting to power supply SPECIFIC SAFETY RULES FOR BENCH GRINDER lt lt 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 lt 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 MOTOR SWITCH ON AND OFF RAPIDLY This could cause the wheel to loosen and could create a hazard Should this ever occur stand clear an
11. eight 35lb 15 9Kg Safety symbols for your tool the label on your tool may include the following symbols n A EE E PEN EAEE EAT Volts l ERTER I T T EE dca en eas Amps 1 ETE E E E E A Hertz Wri hea ain RT Watts MINS na A ee Minutes SD PEEN E E Alternating Current II E A TE Direct Current a T A TE L No load Speed ssf MUM sesecccttociud oi cexecchstbcsceteh ve ccatines casieteel Revolutions or Strokes per minute A PAE Mitel nee Indicates danger warning caution It means attention Your safety is involved TEE E AP E AE E A E Wet Conditions Alert Do not expose to rain or use in damp locations RULES FOR SAFE OPERATION GENERAL SAFETY RULES WARNING Read and understand all instructions Failure to follow all instructions listed below may result in electric shock fire and or serious personal injury lt KNOW YOUR POWER TOOL Read the operator s manual carefully Learn the grinder s applications and limitations as well as the specific potential hazards related to this tool GUARD AGAINST ELECTRICAL SHOCK BY PREVENTING BODY CONTACT WITH GROUNDED SURFACE For example pipes radiators ranges refrigerator enclosures lt KEEP GUARDS IN PLACE and in working order lt REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents lt DON T USE IN DAN
12. eptacle Keep cord from heat oil and sharp edges 4 USE OUTDOOR EXTENSION CORDS When tool is used outdoors use only extension cords with approved ground connection that are intended for use outdoors and so marked lt V WHEELS COASTING AFTER BEING TURNED OFF lt NEVER USE IN AN EXPLOSIVE ATMOSPHERE Normal sparking of the motor could ignite fumes lt INSPECT TOOL CORDS PERIODICALLY If damaged have the cord repaired by a qualified service technician at an authorized service facility The conductor with insulation having an outer surface that is green with or without yellow stripes is 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 Repair or replace a damaged or worn cord immediately Stay constantly aware of cord location and keep it well away from the rotating grinding wheels lt DIRECTION OF FEED Feed work into a blade or cutter against the direction of rotation of the blade or cutter only lt NEVER LEAVE TOOL RUNNING UNATTENDED TURN POWER OFF Don t leave tool until it comes to a complete stop INSPECT EXTENSION CORDS PERIODICALLY and replace if damaged lt DO NOT USE TOOL IF SWITCH DOES NOT TURN IT ON AND OFF Have defective switches replaced by an authorized service center J USE ONLY CORRECT WHEELS Do not use wheels with incorrect size holes Never use wheel washers or wheel bolts that are
13. ive remedy against the seller will be for the replacement of any defects as provided herein as long as the seller is willing or able to replace this product or is willing to refund the purchase price as provided above For insurance purposes seller is not allowed to demonstrate any of these power tools for you For questions comments technical assistance or repair parts Please Call Toll Free at 1 866 858 2664 M F 8am 6pm SAVE YOUR RECEIPTS THIS WARRANTY IS VOID WITHOUT THEM 16
14. lting in possible serious injury WARNING Do not use any attachments or accessories not recommended by the manufacturer of this tool The use of attachments or accessories not recommended can result in serious personal injury BASIC OPERATION To be efficient and work as designed your tools should be kept sharp Dull tools can cause accidents Bench Grinders are ideal for sharpening tools such as chisels planer blades scissors etc and for removing rust or corrosion A WARNING Never sharpen or grind anything made of aluminum brass or copper Grinders remove material rapidly so pressure is the key to efficient grinding The proper way to sharpen a tool and avoid overheating is 1 Keep the object in constant motion moving it at an even pace 2 Never force a tool against the grinding wheel 3 Keep the tool cool by using either the coolant tray or a pan of water 4 The grinding wheel should rotate into the object being sharpened NOTE Excessive pressure may damage the tool cause the motor to overheat and prematurely wear down the grinding wheel WARNING Excessive pressure on a cold wheel may cause the wheel to crack USING COOLANT TRAY Fig 6 The built in coolant tray allows you to cool overheated workpieces Simply pull out the tray and fill with the appropriate coolant 12 ON OFF SWITCH Fig 6 The Bench Grinder features a front access On Off switch for convenience and safety SHARPENING TWIST DRI
15. ng oil etc come in contact with plastic parts They contain chemicals that can damage weaken or destroy plastic A WARNING When servicing use only identical replacement parts Use of any other parts may create a hazard or cause product damage ZA WARNING Use only accessories that are recommended by the manufacturer for the model Accessories that may be suitable for one tool may become hazard ous when used on another tool A WARNING Maintain tools with care Keep cutting tools sharp and clean Prop erly maintained tools With sharp cutting edges are less likely to bind and are easier to control A WARNING Check extension cords before each use If damaged replace im mediately Never use tool with a damaged cord WARNING To ensure safety and reliability all repairs should be performed by a qualified service technician WHEEL REPLACEMENT Fig 8 Fig 8 14 If you must replace a grinding wheel be sure to obtain one with a safe rated speed at least as high as the no load speed RPM marked on the data plate of the grinder and which is marked to comply with ANSI B7 1 To replace the grinding wheel 1 Turn off and unplug the grinder 2 Remove the wheel cover by loosening the screws 3 Loosen the wheel nut in a clockwise direction for the left side and a counterclockwise direction for the right side 4 Remove the outer flange and grinding wheel 5 To install a new grinding wheel reverse the above pro
16. ore each use If damaged replace immediately Never use tool with a damaged cord since touching the dam aged area could cause electrical shock resulting in serious injury ELECTRICAL CONNECTION This tool is powered by a precision built electric motor It should be connected to a power supply that is 120 volts 60 Hz AC only normal household current Do not operate this tool on direct current DC A substantial voltage drop will cause a loss of power and the motor will overheat If the grinder does not operate when plugged into an outlet double check the power supply SPEED AND WIRING The no load speed of this tool is approximately 3450 rpm This speed is not constant and decreases under a load or with lower voltage For voltage the wiring in a shop is as important as the motor s horsepower rating A line intended only for lights cannot properly carry a power tool motor Wire that is heavy enough for a short distance will be too light for a greater distance A line that can support one power tool may not be able to support two or three tools GROUNDING INSTRUCTIONS 1 All grounded cord connected tools In the event of a malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock This tool is equipped with an electric cord having an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly installed and
17. pt back to your nearest MENARDS retail store At its discretion PERFORMAX agrees to have the tool or any defective part s repaired or replaced with the same or similar PERFORMAX product or part free of charge within the stated warranty period when returned by the original purchaser with original sales receipt Not withstanding the foregoing this limited warranty does not cover any damage that has resulted from abuse or misuse of the Merchandise This warranty 1 excludes expendable parts including but not limited to blades brushes belts bits light bulbs and or batteries 2 shall be void if this tool is used for commercial and or rental purposes and 3 does not cover any losses injuries to persons property or costs This warranty does give you specific legal rights and you may have other rights which vary from state to state Be careful tools are dangerous if improperly used or maintained Seller s employees are not qualified to advise you on the use of this Merchandise Any oral representation s made will not be binding on seller or its employees The rights under this limited warranty are to the original purchaser of the Merchandise and may not be transferred to any subsequent owner This limited warranty is in lieu of all warranties expressed or implied including warranties or merchantability and fitness for a particular purpose Seller shall not be liable for any special incidental or consequential damages The sole exclus
18. uard 12 Spark deflector ASSEMBLY AND ADJUSTMENTS WARNING Remove the bench grinder from the carton and examine it care fully Do not dispose of carton or any packaging material until all parts are examined WARNING To avoid injury ALWAYS turn the tool off and disconnect the grinder from the power outlet before installing or changing the grinding wheel j MOUNTING SAFETY SHIELD ASSEMBLY 1 Turn off and unplug the grinder 2 Fasten the safety shield assemblies to the safety shield brackets using the fastening knob and small washer 3 Attach the safety shield assembly and bracket to the wheel guard using a washer lock washer and rear shield bracket knob WARNING Always spin the wheel by hand before tuming on the grinder to make sure the spark deflector doesn t hit the grinding wheel WARNING The use of attachments or accessories for other type of grinder might be hazardous and could cause serious personal injury MOUNTING WORK REST 1 Turn off and unplug the grinder 2 Remove the knob and washer from the carriage bolt on the lower portion of wheel guard 3 Using the carriage bolt washer and fastening knob attach the work rest bracket to the inside of the wheel guard as shown NOTE The grooved work rest mounts on the left side NOTE The work rest bracket s lower slot must be positioned over the pin on the guard 4 With the remaining fastening knob install the
19. work rest to the bracket NOTE Adjust the distance between the wheel and the work rest to maintain 1 16 in or less separation as the diameter of the wheel decreases with use WARNING Always make sure your bench grinder is securely mounted to a workbench Failure to do so could result in an accident possible serious per sonal injury MOUNTING GRINDER TO WORKBENCH Fig 5 If grinder is to be used in a permanent location it should be Fig 5 fastened securely to a firm supporting surface such as a workbench with bolts 1 Turn off and unplug the grinder 2 Mark the position of the four mounting holes provided in the base of the machine on the workbench L 3 Drill a hole at each of the marked positions 4 Place the machine on the workbench and insert a bolt with a washer through the mounting holes in the base into each of the holes drilled in the workbench Make sure the protruding length X see figure is at least 15 mm for each of the bolts used 5 Place a nut on each of the bolts and securely tighten the nuts GRINDING OPERATION WARNING Do not allow familiarity with tools to make you careless Remem ber that a careless fraction of a second is sufficient to inflict serious injury A WARNING Always wear safety goggles or safety glasses with side shields when operating power tools Failure to do so could result in objects being thrown into your eyes resu
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