ELECTRIC DRILL BIT SHARPENER

Transcription

1 ELECTRIC DRILL BIT SHARPENER Set up and Operating Instructions Distributed exclusively by Harbor Freight Tools Mission Oaks Blvd., Camarillo, CA Visit our website at: Read this material before using this product. Failure to do so can result in serious injury. Save this manual. Copyright 2008 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

2 Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, 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 provided 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 a hazardous situation which, if not avoided, will result in death or serious injury. WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION, used with the safety alert symbol, indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE is used to address practices not related to personal injury. CAUTION, without the safety alert symbol, is used to address practices not related to personal injury. General Power 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. The term power tool in the warnings refers to your lineoperated (corded) power tool. Work area safety a. Keep work area clean and well lit. Cluttered or dark areas invite accidents. b. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes. c. Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control. Electrical safety Power tool plugs must match the a. outlet. Never modify the plug in any way. Do not use any adapter plugs with grounded power tools. SKU For technical questions, please call Page 2

3 Unmodified plugs and matching outlets will reduce risk of electric shock. hearing protection will reduce personal injuries. b. Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded. c. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. d. Do not abuse the Power Cord. Never use the Cord for carrying, pulling or unplugging the power tool. Keep Cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock. e. If operating a power tool in a damp location is unavoidable, use a Ground Fault Circuit Interrupter (GFCI) protected supply. Use of a GFCI reduces the risk of electric shock. Personal safety a. Stay alert, watch what you are do- ing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury. b. Use personal protective equip- ment. Always wear an ANSI-approved full face safety shield over ANSI-approved safety impact eye glasses. Safety equipment such as a NIOSH-approved dust mask/respirator, heavy-duty work gloves, and 4. c. Prevent unintentional starting. Ensure the Power Switch is in the off-position before connecting to power source. Energizing power tools that have the switch on invites accidents. d. Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury. e. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations. f. Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts. g. 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 breathing protection must be NIOSH-approved for the specific hazards in the work area. Power tool use and care a. Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. Do not use the power tool if the b. Power Switch does not turn it on and off. Any power tool that cannot SKU For technical questions, please call Page 3

4 be controlled with the Power Switch is dangerous and must be repaired. This will ensure that the safety of the power tool is maintained. 5. c. Disconnect the plug from the power source before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally. d. Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users. e. Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools. f. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. g. Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation. Service a. Have your power tool serviced by a qualified repair person using only identical replacement parts Specific Safety Warnings Maintain labels and nameplates on the Dril Bit Sharpener. These carry important safety information. If unreadable or missing, contact Harbor Freight Tools for a replacement. This Drill Bit Sharpener is not designed for outdoor use. This Drill Bit Sharpener is designed for dry grinding only. Do not use for wet grinding. Use the tool on a flat, level surface only. Do not use the Drill Bit Sharpener if its Safety Hood (43) is missing, damaged, or improperly adjusted. Keep the Safety Hood fully closed at all times during use. Do not attempt to sharpen Drill Bits freehand. Always use the Work Piece Support (35-1). Always adjust the distance between the Grinding Wheel (32) and Angle Bracket (35-2) to 1/16. Inspect the Drill Bit Sharpener before each use. Do not use if the Grinding Wheel (32) is cracked or chipped. The Grinding Wheel should rotate evenly. If there is vibration, the Grinding Wheel should be replaced by a qualified service technician. Use identical replacement wheels only. Always keep fingers and hands safely away from the Grinding Wheel (32) when it is rotating. SKU For technical questions, please call Page 4

5 Avoid unintentional starting. Prepare to begin work before turning on the tool. Do not leave the Drill Bit Sharpener unattended when it is plugged into an electrical outlet. Turn off the tool, and unplug it from its electrical outlet before leaving. This Drill Bit Sharpener is not a toy. Keep it out of reach of children. People with pacemakers should consult their physician(s) before use. Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pacemaker failure. In addition, people with pacemakers should: Avoid operating alone. Do not use with Power Switch locked on. Properly maintain and inspect to avoid electrical shock. Any Power Cord must be properly grounded. Ground Fault Circuit Interrupter (GFCI) should also be implemented it prevents sustained electrical shock 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 & Safety Code , et seq.) WARNING: Handling the Power 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 & Safety Code , et seq.) The warnings, precautions, and instructions discussed in this instruction manual cannot cover all possible conditions 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. Save these instructions. 14. 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: Lead from lead-based paints Crystalline silica from bricks and cement or other masonry products 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 SKU For technical questions, please call Page 5

6 Grounding To prevent electric shock and death from incorrect grounding wire connection: Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not modify the Power Cord Plug provided with the tool. Never remove the grounding prong from the Plug. Do not use the tool if the Power Cord or Plug is damaged. If damaged, have it repaired by a service facility before use. If the Plug will not fit the outlet, have a proper outlet installed by a qualified electrician. Grounded Tools: Tools with Three Prong Plugs of electric shock. (See 3-Prong Plug and Outlet.) The grounding prong in the Plug is connected through the green wire inside the Power Cord to the grounding system in the tool. The green wire in the Cord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal. (See 3-Prong Plug and Outlet.) The tool must be plugged into an appropriate outlet, properly installed and grounded in accordance with all codes and ordinances. The Plug and outlet should look like those in the preceding illustration. (See 3-Prong Plug and Outlet.) Double Insulated Tools: Tools with Two Prong Plugs Tools marked with Grounding Required have a three wire cord and three prong grounding Plug. The plug must be connected to a properly grounded outlet. If the tool should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user, reducing the risk Tools marked Double Insulated do not require grounding. They have a special double insulation system which satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories, Inc., the Canadian Standard Association, and the National Electrical Code. (See Outlets for 2-Prong Plug.) SKU For technical questions, please call Page 6

7 Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration. (See Outlets for 2-Prong Plug.) Extension Cords Grounded tools require a three wire extension cord. Double Insulated tools can use either a two or three wire extension cord. As the distance from the supply outlet increases, you must use a heavier gauge extension cord. Using extension cords with inadequately sized wire causes a serious drop in voltage, resulting in loss of power and possible tool damage. (See Table A.) The smaller the gauge number of the wire, the greater the capacity of the cord. For example, a 14 gauge cord can carry a higher current than a 16 gauge cord. (See Table A.) damp or wet areas. RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS* (120/240 VOLT) NAMEPLATE AMPERES (at full load) 25 EXTENSION CORD LENGTH TABLE A * Based on limiting the line voltage drop to five volts at 150% of the rated amperes. Symbology Double Insulated Canadian Standards Association When using more than one extension cord to make up the total length, make sure each cord contains at least the minimum wire size required. (See Table A.) If you are using one extension cord for more than one tool, add the nameplate amperes and use the sum to determine the required minimum cord size. (See Table A.) Make sure the extension cord is properly wired and in good electrical condition. Always replace a damaged extension cord or have it repaired by a qualified electrician before using it. Protect the extension cords from sharp objects, excessive heat, and V~ A n 0 xxxx/min. Underwriters Laboratories, Inc. Volts Alternating Current Amperes No Load Revolutions per Minute (RPM) SKU For technical questions, please call Page 7

8 Electrical Requirements Drill Bit Capacity Grinding Wheel Dimensions Angle Stop Scale Capacity Specifications 120 V~ / 60 Hz / 80 Watts 20 Amp (Start Up) / 0.51 Amp (No Load) 650 RPM (No Load) Power Cord Rating: 18 AWG x 2 C Power Plug Type: 2-Prong, Polarized Power Switch Type: ON/OFF Push Button 9/64 (5mm) / 5/32 (4mm) / 11/64 (4.5mm) 13/64 (5mm) / 7/32 (5.5mm) / 15/64 (6mm) 1/4 (6.5mm) / 9/32 (7mm) / 19/64 (7.5mm) 5/16 (8mm) / 21/64 (8.5mm) / 23/64 (9mm) 3/8 (9.5mm) / 25/64 (10mm) 13/32 (10.5mm) / 7/16 (11mm) 5-1/2 O.D. x 1 Thick 45 Left & Right Note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near the end of this manual. GREEN L.E.D. (UNIT RUNNING) RED L.E.D. (POWER ON) SAFETY HOOD (43) ADJUSTMENT KNOB (21) Unpacking When unpacking, check to make sure that the item is intact and undamaged. If any parts are missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible. PRODUCT FEATURES Read the entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product. To prevent serious injury from accidental operation: Turn the Power Switch (49) of the Drill Bit Sharpener to its OFF position and unplug the tool from its electrical outlet before making any adjustments to the tool. Operating Instructions Read the entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this Drill Bit Sharpener. Work Area Set Up Designate a work area that is clean and well-lit. The work area must not allow access by children or pets to prevent injury and distraction. SKU For technical questions, please call Page 8 POWER SWITCH (49) ANGLE STOP SCALE (35-4) FIGURE A This Drill Bit Sharpener is designed for indoor use only. Use the Drill Bit Sharpener only on a flat, level workbench surface. REV 08f

9 4. 5. Route the Power Cord (40) along a safe route to reach the work area without creating a tripping hazard or exposing the Power Cord to possible damage. The Power Cord must reach the work area with enough extra length to allow free movement while working. There must not be objects nearby that will present a hazard while working. General Operating Instructions Vertical Sharpening Procedures: Set the Drill Bit Sharpener in its vertical position with its End Cover (23) at the top. (See Figure C.) Check to make sure the Safety Hood (43) is in its closed (downward) position. (See Figure C.) Check to make sure the Power Switch (49) is in its OFF position. Then plug the Power Cord (40) into the nearest 120 volt, grounded, electrical outlet. (See Figure C.) Properly Sharpened Drill Bits: A Drill Bit (not included) is properly sharpened when it has the following characteristics: A sharp point in the center of the Bit. Two sharp and equal cutting edges. Two trailing edges that are slightly lower than the cutting edges. (See Figure B.) Push the Power Switch (49) to its ON position. Allow the Drill Bit Sharpener to run idle for one minute to check for normal operation. Only after the Grinding Wheel (32) reaches its top speed may the Drill Bit be sharpened. (See Figure C.) Select a clean Drill Bit to be sharpened, and match its size with one of the holes in the End Cover (23). Then insert the Drill Bit into the appropriate hole. (See Figure C.) CENTER POINT CUTTING EDGE FIGURE C TRAILING EDGE FIGURE B SAFETY HOOD (43) DRILL BIT END COVER (23) POWER SWITCH (49) SKU For technical questions, please call Page 9

10 6. 7. Exert a slight downward pressure on the Drill Bit. Turn the Drill Bit Sharpener off after about 5 to 10 seconds. Horizontal Sharpening Procedures: Set the Drill Bit Sharpener in its horizontal position with its End Cover (23) to the right. (See Figure E.) CAUTION! Be careful not to touch the end of the Drill Bit after it is sharpened. The Bit will become hot! Repeat the above steps with the other side of the Drill Bit. Sharpen both sides the same amount of time, using the same amount of pressure. The Adjustment Knob: Remove the Drill Bit, and examine the Bit according to the Troubleshooting section near the end of this manual. Turn the Adjustment Knob (21) to the right to raise the Grinding Wheel (32). This will give you an aggressive cutting action. This is also useful when you are working with short Drill Bits. (See Figure D.) Lower the Grinding Wheel (32) by turning the Adjustment Knob (21) to the left. This is desirable when you want a finer ground edge, though it will take longer and require more repetitions. (See Figure D.) ADJUSTMENT KNOB (21) FIGURE D Slightly raise the Safety Hood (43). Raise the Work Piece Support (35-1) and push down on Upper and Lower Brackets (36 & 37). The Drill Bit can be rested on the Work Piece Support which will greatly improve stability and safety of the sharpening procedure. (See Figure E.) Loosen the A Screw (35-3). Adjust the Angle Stop Scale (35-4) to the desired cutting angle. Then re-tighten the Screw. NOTE: The Angle Stop Scale is adjustable 45 to the left and 45 to the right. (See Figure E.) 4. CAUTION! Always adjust the distance between the Grinding Wheel (32) and Angle Bracket (35-2) to within 1/16. To do so, loosen the B Screw (35-5). Slide the Angle Bracket to within 1/16 of the Grinding Wheel. Then re-tighten the Screw. (See Figure E.) FIGURE E A SCREW (35-3) WORK PIECE SUPPORT (35-1) ANGLE STOP SCALE (35-4) ANGLE BRACKET (35-2) B SCREW (35-5) SKU For technical questions, please call Page 10

11 Check to make sure the Power Switch (49) is in its OFF position. Then plug the Power Cord (40) into the nearest 120 volt, grounded, electrical outlet. (See Figure A.) Slightly raise the Safety Hood (43) above the Angle Bracket (35-2). (See Figure A.) Turn the Power Switch (49) to its ON position. Allow the Drill Bit Sharpener to run at full speed to check for normal operation. Only after the Grinding Wheel (32) reaches its top speed may the Drill Bit be sharpened. (See Figure A.) Select a clean Drill Bit to be sharpened, and place it firmly on the Angle Bracket (35-2) and against the Angle Stop Scale (35-4). (See Figure E.) Exert a slight inward pressure on the Drill Bit, making sure to hold the Bit firmly. Turn the Drill Bit Sharpener off when done. Remove the Drill Bit, and examine the Bit according to the Troubleshooting section near the end of this manual. CAUTION! Be careful not to touch the end of the Drill Bit after it is sharpened. The Bit will become hot! Repeat the above steps to the other side of the Drill Bit. Sharpen both sides the same amount of time, using the same amount of pressure. Maintenance And Servicing Procedures not specifically explained in this manual must be performed only by a qualified technician. To prevent serious injury from accidental operation: Turn the Power Switch (49) of the Drill Bit Sharpener to its OFF position and unplug the tool from its electrical outlet before performing any inspection, maintenance, or cleaning procedures. To prevent serious injury from tool failure: Do not use damaged equipment. If abnormal noise or vibration occurs, have the problem corrected before further use. Inspection, Maintenance, and Cleaning BEFORE EACH USE, inspect the general condition of the Drill Bit Sharpener. Check for loose screws, misalignment or binding of moving parts, cracked or broken Grinding Wheel, damaged electrical wiring, and any other condition that may affect its safe operation. PERIODICALLY, remove the Inspection Hatch Cover (38) on the back side of the unit and clean out the SKU For technical questions, please call Page 11

12 accumulated dust as shown in the illustration below. Then replace the Inspection Hatch Cover. (See Figure F.) After Use, clean external surfaces of the tool with clean cloth. Keep the air vents free of foreign matter at all times. Do not use solvents to clean. Do not immerse any part of the Drill Bit Sharpener in liquid. 4. CAUTION! Do not use the Drill Bit Sharpener if its Power Cord (40) has been damaged. Have a qualified service technician replace the Cord before using. FIGURE F Sharpening Troubleshooting: If the tip of the Drill Bit is turning blue, it is overheating. Reduce amount of pressure and sharpening time. Cool the Drill Bit in water between sharpening. If one edge is longer than the other, and the point is not centered, sharpen the shorter side for a little more time. To prevent this from happening, sharpen both sides the same amount of time, using the same amount of pressure. If you are sharpening a broken (rather than a dull Drill Bit) and the time required to get a sufficient edge is too long, rough the Bit into shape first by using a bench grinder. Operation Troubleshooting: INSPECTION HATCH COVER (38) If you turn the Power Switch (49) to its ON position, but the unit does not start, check to make sure the Power Cord (40) is undamaged and properly plugged into its electrical outlet. Also check to make sure the Power Switch is not damaged and also check that the outlet is in proper operating condition. If the Grinding Wheel (32) is not cutting the material sufficiently, check to make sure the Wheel is not clogged with excessive debris. If necessary, have a qualified service technician clean or replace the Grinding Wheel. If you turn the Power Switch (49) to its OFF position, but the unit does not turn off, immediately unplug the unit from its electrical outlet and have a qualified service technician check it out. TROUBLESHOOTING SKU For technical questions, please call Page 12

13 Parts List Part Description 1 Screw 2 Washer 3 Motor 4 Connecting Piece 5 Screw 6 Rubber Cushion 7 Bottom Cap 8 Bracket 9 Strain Relief 10 Motor Carrier 11 Air Guide 12 Fan 13 Lower Gearbox Housing 14 Bearing 15 Bearing Surface 16 Small Gear 17 Bearing 18 Large Gear 19 Upper Gearbox Housing 20 Bearing 21 Adjustment Knob 22 Screw 23 End Cover 24 Cover Plate 25 Guide Plate 26 Drill Guide Plate 27 Bearing Retainer 28 Screw 29 Upper Connecting Piece 30 Clamping Piece 31 Washer 32 Grinding Wheel 33 Lower Grinding Wheel Seat 34 Shaft 35-1 Work Piece Support 35-2 Angle Bracket 35-3 Screw (A) 35-4 Angle Stop Scale 35-5 Screw (B) Part 36 Upper Bracket 37 Lower Bracket Parts List Description 38 Inspection Hatch Cover 39 Housing 40 Power Cord 41 Cord Guard 42 LED Covers 43 Safety Hood 44 Printed Circuit Board 45 Screw 46 Wiring Terminal 47 Capacitor 48 Screw 49 Power Switch 50 Switch Cap 51 Switch 52 Screw 53 Nylon Piece 54 Spring 55 Spring Seat 56 Hook 57 Red Wire 58 Black Wire PLEASE READ THE FOLLOWING CAREFULLY The 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 or replacement parts thereto, or arising out of his or her installation of replacement parts thereto. SKU For technical questions, please call Page 13

14 ASSEMBLY DIAGRAM SKU For technical questions, please call Page 14

15 ELECTRICAL SCHEMATIC Record Product s Serial Number Here: LIMITED 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 original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, 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 consequential 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 complaint must accompany the merchandise. If our inspection verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return repaired 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 Mission Oaks Blvd. PO Box 6009 Camarillo, CA (800) 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 available individually as replacement parts. SKU For technical questions, please call Page 15