Harbor Freight Tools 6510 Grinder User Manual
Contents
1. Shield Supports FIGURE 4 Attaching the Eye Shield to Wheel Cover 2 Remove the BOLT 12 and NUT 13 from the upper grinder housing as shown in Figure 4 3 Align the EYE SHIELD Assembly with holes and replace the WHEEL COVER BOLT and NUT 4 Adjust the EYE SHIELD to the de sired position and tighten the WHEEL COVER NUT SKU 6510 For technical questions please call 1 800 444 3353 GRINDING WHEEL ASSEMBLY Remove Grinding Wheel Eye Shield 3 Wheel Cover 6 Nut 13 Grinding Washers Wheel 2 Y 14 i TED D v Bolt 4 gt 12 Spindle 9 Wiest Mounting Mounting Nut 10 Washer 11 FIGURE 5 Assembling the Grinder 1 Remove both GRINDING WHEEL COVERS 6 by unscrewing their BOLTS 12 and NUTS 13 as shown in Figure 5 2 Place adjustable wrenches on both WHEEL MOUNTING NUTS 10 3 remove the right hand GRINDING WHEEL 2 turn its WHEEL MOUNT ING NUT clockwise while keeping the left hand WHEEL MOUNTING NUT stationary To remove the left hand GRINDING WHEEL turn its WHEEL MOUNTING NUT counterclockwise while keeping the right hand WHEEL MOUNTING NUT stationary 4 Slide the WHEEL MOUNTING WASHER 11 off of the SPINDLE 9 5 Slide the GRINDING WHEEL off of the SPINDLE 9 Page 11 Installing Grinding Wheel Note Do not use aluminum oxide grind ing wheels when grinding nonferrous metals such as aluminum and brass Use silicon carbid2. 10 GRINDING WHEEL ASSEMBLY 11 OPERATION 13 OPERATION NOTES 13 GENERAL OPERATION 13 PARTS 14 ASSEMBLY DIAGRAM 15 LIMITED 1 YEAR 90 DAY WARRANTY 16 SKU 6510 SAVE THIS MANUAL Keep this manual for the safety warn ings and precautions assembly operat ing inspection maintenance and cleaning procedures Write the product s serial number in the back of the manual near the assembly diagram or month and year of purchase if product has no number Keep this manual and the receipt in a safe and dry place for future reference IMPORTANT SAFETY INFORMATION In this manual on the labeling and all other information provid ed with this product This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death DANGER indicates 4 DANGER a hazardous situation which if not avoided will result in death or serious injury AWARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury SKU 6510 For technical questions please call 1 800 444 3353 NOTICE is used to NOTICE address pra
3. 1 800 444 3353 SKU 6510 SKU 6510 OPERATION Caution The grinding wheels must al ways be checked for cracks of imper fections This is done with the ring test Tap the wheel gently near the outer rim with the handle of a screw driver you should hear a clear bell like ringing If a dull thud occurs do not use the wheel This means the wheel has been damaged and will most likely come apart during normal operations Operation Notes The 10 Bench Grinder comes as sembled with a coarse GRINDING WHEEL 2 and a fine GRINDING WHEEL Determine which wheel is which before attempting to use the Bench Grinder The workpiece will quickly become heated Frequently quench the work piece in water during the grinding process If the metal becomes heat ed so much that it gets blue colored it will be too soft to be useful You must grind off the part that is colored cool the workpiece and start again For technical questions please call 1 800 444 3353 General Operation Obtain a tray that is large enough for the workpiece to fit into fill it with water and place it near the Bench Grinder Turn the Bench Grinder on Once the GRINDING WHEEL has reached full speed bring the work piece up to the wheel gently and without jarring Use the TOOL REST 7 to steady the workpiece The workpiece will become quickly heated Frequently quench it in wa ter Page 13 PLEASE READ THE FOLLOWING CAREFULLY TH
4. NOT OPERATE WITH ANY GUARD DISABLED DAMAGED OR REMOVED Moving guards must move freely and close in stantly The use of accessories or attach ments not recommended by the manufacturer may result in a risk of injury to persons When servicing use only identical replacement parts Only use safety equipment that has been approved by an appropriate standards agency Unapproved safety equipment may not provide adequate protection Eye protection must be ANSI approved and breath ing protection must be NIOSH ap proved for the specific hazards in the work area Industrial applications must follow OSHA guidelines Maintain labels and nameplates on the tool These carry important safety information If unreadable or miss ing contact Harbor Freight Tools for a replacement SKU 6510 17 20 SKU 6510 Avoid unintentional starting Prepare to begin work before turning on the tool People with pacemakers should consult their physician s before use Electromagnetic fields in close prox imity to heart pacemaker could cause pacemaker interference or pacemak er failure WARNING Some dust created by power sanding sawing grinding drilling and other construction activities 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 and cement or other ma
5. off position before plug ging in USE RECOMMENDED ACCESSO RIES Consult the owner s manual for recommended accessories The use of improper accessories may cause risk of injury to persons NEVER STAND ON TOOL Serious injury could occur if the tool is tipped or if the cutting tool is unintentionally contacted 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 per form 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 SKU 6510 or other part that is damaged should be properly repaired or replaced 20 DIRECTION OF FEED Feed work into a blade or cutter against the di rection of rotation of the wheel only GROUNDING INSTRUCTIONS TO PREVENT AWARNING ELECTRIC SHOCK AND DEATH FROM INCORRECT GROUNDING WIRE CONNECTION READ AND FOLLOW THESE INSTRUCTIONS 110 120 V Grounded Tools Tools with Three Prong Plugs 1 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 ground ing plug The plug must be plugged into a matching outlet that is properly installed and grounded in accordance
6. E MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO PARTS LIST Description ut Part Description Bushing Base 23 Cord Bushing Record Product s Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts REV 99h 09e Page 14 For technical questions please call 1 800 444 3353 SKU 6510 ASSEMBLY DIAGRAM 11 I REV 99h SKU 6510 For technical questions please call 1 800 444 3353 Page 15 LIMITED 1 YEAR 90 DAY WARRANTY Harbor Freight Tools Co makes every effort to assure that its products meet high quality and durability standards and warrants to the o
7. LCENTRAL MACHINERY 10 BENCH GRINDER SET UP AND OPERATING INSTRUCTIONS Distributed exclusively by Harbor Freight Tools 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our website at http www harborfreight com Read this material before using this product Failure to do so can result in serious injury SAVE THIS MANUAL Copyright 1997 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For technical questions or replacement parts please call 1 800 444 3353 Manual Revised 09d CONTENTS IMPORTANT SAFETY GENERAL TOOL SAFETY GROUNDING INSTRUCTIONS 110 120 V GROUNDED TOOLS TOOLS WITH THREE PRONG 110 120 V DOUBLE INSULATED TOOLS TOOLS WITH TWO PRONG PLUGS GRINDER SAFETY WARNINGG SPECIFICATIONS Page 2 For technical questions please call 1 800 444 3353 9 ASSEMBLY 10 TOOL REST ASSEMBLY 10 EYE SHIELD ASSEMBLY
8. ROPER EXTENSION CORD Make sure your extension cord is 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 over heating Table A shows the correct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gauge The smaller the gauge number the heavier the cord WEAR PROPER APPAREL Do not wear loose clothing neckties rings bracelets or other jewelry which may get caught in moving parts Nonslip footwear is recommended Wear pro tective hair covering to contain long hair ALWAYS USE SAFETY GLASSES Also use face or dust mask if cutting operation is dusty Everyday eye For technical questions please call 1 800 444 3353 glasses only have impact resistant lenses they are NOT safety glasses SECURE WORK Use clamps or a vise to hold work when practical It s safer than using your hand and it frees both hands to operate tool DON T OVERREACH Keep proper footing and balance at all times MAINTAIN TOOLS WITH CARE Keep tools sharp and clean for best and safest performance Follow instructions for lubricating and chang ing accessories DISCONNECT TOOLS before ser vicing when changing accessories such as blades bits cutters and the like REDUCE THE RISK OF UNINTEN TIONAL STARTING Make sure switch is in
9. ctices not related to personal injury CAUTION without CAUTION the safety alert symbol is used to address practices not related to personal injury General Tool Safety Warnings 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 1 KEEP GUARDS IN PLACE and in working order 2 REMOVE ADJUSTING KEYS AND WRENCHES Form habit of check ing to see that keys and adjusting wrenches are removed from tool before turning it on 3 KEEP WORK AREA CLEAN Clut tered areas and benches invite ac cidents 4 DON T USE DANGEROUS EN VIRONMENT Don t use power tools in damp or wet locations or expose them to rain Keep work area well lighted 5 KEEP CHILDREN AWAY All visitors should be kept safe distance from work area 6 MAKE WORKSHOP KID PROOF with padlocks master switches or by removing starter keys Page 3 7 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 RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 VOLT NAMEPLATE EXTENSION CORD AMPERES LENGTH at full load 25 50 5 mace 4 TABLEA 10 11 4 not use USE P
10. e grinding wheels for all nonferrous metals 1 Make sure the inside WHEEL MOUNTING WASHER 11 is on the SPINDLE 9 with its concave side facing out as shown in figure 5 2 Place the GRINDING WHEEL 2 on the SPINDLE 3 Place the outside WHEEL MOUNT ING WASHER 11 on the SPINDLE with its concave side facing in 4 Place the WHEEL MOUNTING NUT 10 on the SPINDLE and tighten Caution do not over tighten the WHEEL MOUNTING NUT as it may crack the GRINDING WHEEL 5 Replace both WHEEL COVERS 6 and secure with their BOLTS 12 NUTS 13 and WASHERS 14 Dressing the Wheel New wheels frequently are not true and during operation often become grooved glazed out of round or misshapen At these times they will need dressing You will need a grind ing wheel dresser for this operation Dressers are available from Harbor Freight Tools 1 Standing to the side of the wheel let the Bench Grinder run for a full min ute with no load If the GRINDING WHEEL runs straight and true you will not need to dress it prior to op erating If it is not proceed with the following steps With the Bench Grinder running grip the handle of the dresser firmly with one hand and the arm of the dresser with the other Using the TOOL REST 7 as sup port apply the dresser evenly to all surfaces of the GRINDING WHEEL Continue step 3 until the GRINDING WHEEL is straight and true Page 12 For technical questions please call
11. ll 1 800 444 3353 Page 5 110 120 V Double Insulated Tools Tools with Two Prong Plugs Outlets for 2 Prong Plug 1 To reduce the risk of electric shock double insulated equipment has a po larized plug one blade is wider than the other This plug will fit in a polar ized outlet only one way If the plug does not fit fully in the outlet reverse the plug If it still does not fit contact a qualified electrician to install the proper outlet Do not change the plug in any way 2 Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration See Outlets for 2 Prong Plug Grinder Safety Warnings For Your Own Safety Read Instruction Manual Before Operating Grinder 1 Wear eye protection 2 Use grinding wheel suitable for speed of grinder Replace cracked wheel immediately Always use guards and eye shields Do not overtighten wheel nut m oc dx Use only flanges furnished with the grinder Page 6 10 11 15 16 For technical questions please call 1 800 444 3353 Adjust distance between wheel and work rest to maintain 0 125 inch or less separation as the diameter of the wheel decreases with use Frequently clean grinding dust from beneath grinder Wear a full face shield over ANSI approved safety goggles during use Do not grind with side of wheel un less wheel is specifically designed for that type of grinding DO
12. nsure medical problems are not being caused or worsened from use Pregnant women or people who have impaired blood circulation to the hand past hand injuries ner vous system disorders diabetes or Raynaud s Disease should not use this tool If you feel any medical or physical symptoms related to vibra tion such as tingling numbness and white or blue fingers seek medical advice as soon as possible Do not smoke during use Nico tine reduces the blood supply to the hands and fingers increasing the risk of vibration related injury Wear suitable gloves to reduce the vibration effects on the user Page 7 4 Use tools with the lowest vibration when there is a choice between dif ferent processes 5 Include vibration free periods each day of work 6 Grip tool as lightly as possible while still keeping safe control of it Let the tool do the work 7 reduce vibration maintain the tool as explained in this manual If any abnormal vibration occurs stop use immediately SAVE THESE INSTRUCTIONS Page 8 For technical questions please call 1 800 444 3353 SKU 6510 SPECIFICATIONS 120 V 60Hz 8 4A 1 HP rated 2 HP peak No Load Speed 1750 RPM Electrical Input UNPACKING When unpacking make sure that the item is intact and undamaged If any parts are missing or broken please call Harbor Freight Tools at 1 800 444 3353 as soon as possible Bench Grinder Unit Eye Shield Shield S
13. on or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement We will return re paired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warranty then you must bear the cost of returning the product This warranty gives you specific legal rights and you may also have other rights which vary from state to state 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353 Page 16 For technical questions please call 1 800 444 3353 SKU 6510
14. riginal purchaser that for a period of ninety days from date of purchase that the engine motor the belts if so equipped and the blades if so equipped are free of defects in materials and workmanship Har bor Freight Tools also warrants to the original purchaser for a period of one year from date of purchase that all other parts and components of the product are free from defects in materials and workmanship 90 days if used by a professional contractor or if used as rental equipment This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or con sequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the com plaint must accompany the merchandise If our inspection verifies the defect we will ei ther repair or replace the product at our electi
15. sonry 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 in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles California Health amp Safety Code 25249 5 et seq WARNING Handling the cord on this product will expose you to lead a chemical known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling California Health amp Safety Code 25249 5 et seq 21 For technical questions please call 1 800 444 3353 The warnings precautions and in structions discussed in this instruction manual cannot cover all possible con ditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Vibration Safety This tool vibrates during use Re peated or long term exposure to vibration may cause temporary or permanent physical injury particularly to the hands arms and shoulders To reduce the risk of vibration related injury Anyone using vibrating tools regu larly or for an extended period should first be examined by a doctor and then have regular medical check ups to e
16. upports REV 09e SKU 6510 For technical questions please call 1 800 444 3353 Page 9 Page 10 ASSEMBLY The 10 Bench Grinder requires minor assembly The assembly instructions below are written for the left side but the right side is identical Refer to the Parts List at the back of this manual for the individual part numbers Tool Rest Assembly Bolt the BENCH GRINDER UNIT 1 to a stable workplace Tool Rest Knob 8 FIGURE 1 Removing the Tool Rest Knob Facing the front of the BENCH GRINDER UNIT remove the front TOOL REST KNOB and loosen the rear TOOL REST KNOB 8 as in Figure 1 A y 1 n T For technical questions please call 1 800 444 3353 Tool Rest Knob 8 FIGURE 2 Moving Tool Rest Pivot the tool rest down and forward so that it is in a horizontal position and replace the front TOOL REST KNOB as shown in Figure 2 Adjust the TOOL REST 7 to the desired distance from the GRINDER WHEEL 2 In no circumstances should the TOOL REST be clos er than 1 8 from the GRINDER WHEEL Tighten both TOOL REST KNOBS Eye Shield Assembly Bolts 1 a N Eye Shield 3 Washers ee 17 Nuts 16 FIGURE Attaching the Eye Shields and Eye Supports Attach the EYE SHIELDS 3 to the SHIELD SUPPORTS 4 using BOLTS 15 NUTS 16 and WASH ERS 17 as shown in Figure 3 SKU 6510 Washers 14 Bolt id Shield 3
17. with all local codes and ordinances 2 Do not modify the plug provided if it will not fit the outlet have the proper outlet installed by a qualified electri cian 3 Improper connection of the equip ment grounding conductor can re sult in a risk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is the equip ment grounding conductor If repair or replacement of the electric cord or plug is necessary do not connect the SKU 6510 equipment grounding conductor to a live terminal Check with a qualified electrician or service personnel if the grounding instructions are not completely under stood or if in doubt as to whether the tool is properly grounded Use only 3 wire extension cords that have 3 prong grounding plugs and 3 pole receptacles that accept the tool s plug Repair or replace damaged or worn cord immediately Grounding Pin 125 V 3 Prong Plug and Outlet for up to 125 V and up to 15 A This tool is intended for use on a cir cuit that has an outlet that looks like the one illustrated above in 125 V 3 Prong Plug and Outlet The tool has a grounding plug that looks like the plug illustrated above in 125 V 3 Prong Plug and Outlet The outlet must be properly installed and grounded in accordance with all codes and ordinances Do not use an adapter to connect this tool to a different outlet For technical questions please ca
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