Harbor Freight Tools 3150 User's Manual
Contents
1. DRILL L MASTER 4 1 2 ANGLE GRINDER Model 03150 ASSEMBLY AND OPERATING INSTRUCTIONS Distributed Exclusively by 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2003 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 For technical questions please call 1 800 444 3353 PRODUCT SPECIFICATIONS gt ltem __ Description S Electrical Requirements 120 Volt 60 Hz 580 Watts 12 000 RPM 4 1 2 Diameter 7 8 Arbor E194601 Not Included Spindle Size 5 8 11 TPI Accessories Auxiliary Handle Qty 1 Wrench Qty 1 Carbon Brush Qty 2 SAVE THIS MANUAL You will need this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures parts list and assem bly diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep this manual and invoice in a safe and dry place for future reference GENERAL SAFETY RULES A WARNING READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed below may result in electric shock fire and or serious injury SAVE THESE INSTRUCTIONS WORK AREA 1 Keep your work area clean and well lit Cluttered benches and dark areas invite accid2. There is an increased risk of electric shock if your body is grounded Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock Do not abuse the Power Cord Never use the Power Cord to carry the tools or pull the Plug from an outlet Keep the Power Cord away from heat oil sharp edges or moving parts Replace damaged Power Cords immedi ately Damaged Power Cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These extension cords are rated for outdoor use and reduce the risk of electric shock PERSONAL SAFETY Stay alert Watch what you are doing and use common sense when oper ating a power tool Do not use a power tool while tired or under the influ ence of drugs alcohol or medication A moment of inattention while operat ing power tools may result in serious personal injury SKU 03150 PAGE 3 11 12 13 14 15 16 17 18 19 20 2l Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Avoid accidental starting Be sure the Power Switch is off before plugging in Carrying power tools with your finger on the Power Switch or plugging in power tools with the Power Switch on invites accidents R
3. 2 The grounding prong in the plug is connected through the green wire inside the 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 Figure A 3 Your 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 following illustration See Figure A T ao FIGURE A SKU 03150 PAGE 7 DOUBLE INSULATED TOOLS TOOLS WITH TWO PRONG PLUGS 4 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 Figure B 5 Double insulated tools may be used in either of the 120 volt outlets shown in the following illustration See Figure B FIGURE B EXTENSION CORDS 1 Grounded tools require a three wire extension cord Double Insulated tools can use either a two or three wire extension cord 2 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 Figure C n
4. rotating Grinding Wheel not included into the object being ground Apply moderate pressure allowing the Grinding Wheel to rotate freely without being forced A WARNING Never install a carbide tipped or steel circular saw blade for use on this tool Never install a wood carving blade carving disc with saw chain cutters or a cutting carving disc on this tool For safest operation it is recommended that only these accessories be used with this tool Abrasive Cut Off Discs and Wheels Flap Wheels Wire Brushes Wire Wheel Brushes Never lay this tool down until the Rotating Grinding Wheel has come to a complete stop The Rotating Pad can grab the surface and pull the tool out of your control Never leave this tool unattended when it is plugged into an electrical outlet Turn off the tool and unplug it from its electrical outlet before leaving Always unplug this tool from its electrical outlet before performing inspec tion maintenance or cleaning procedures WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contain chemicals known to the State of Cali fornia to cause cancer birth defects or other reproductive harm Some ex amples 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
5. D WRENCH 58 FLANGE NUT 32 SKU 03150 PAGE 10 4 To attach the Handle part 16 screw the threaded portion of the Handle into either the right or left side threaded mounting hole located on the sides of the Gear Box part 15 See Figure D 5 To operate the Angle Grinder plug the Power Cord part 50 into a grounded 120 volt electrical outlet 6 Grip the Angle Grinder firmly with both hands Then turn the Power Switch part 39 to its ON position and allow the Grinding Wheel to rotate to its fullest speed See Figure D f Do not force the rotating Grinding Wheel into the object being ground Apply moderate pressure allowing the Grinding Wheel to rotate freely without being forced 8 After the grinding job is completed turn the Power Switch part 39 to its OFF position Then unplug the Power Cord part 50 from its electrical outlet INSPECTION MAINTENANCE AND CLEANING A WARNING Make sure the Power Switch part 39 of the Angle Grinder is in its OFF position and that the tool is unplugged from its electrical outlet before performing any inspection maintenance or cleaning procedures 2 BEFORE EACH USE inspect the general condition of the Angle Grinder 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 If abnormal noise or vibration occurs
6. ODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO PARTS LIST Part Description Part Description 6 Bearing 35 Staton 8 Roller 37 SwitchKnob _ __ __ 9 Armature 38 SwitchShelf _ 22 Bearing 51 Washer _ _ _ 23 _ FrontCap 52 Serew _ S 24 Screw 53 Condenser _ __ _ _ _ 29 _ Guard o S NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 03150 PAGE 12 REV 04 06 REV 11 04 ASSEMBLY DIAGRAM a 24 2 3 ir 25 2 3 26 o 27 NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 03150 PAGE 13 REV 04 06
7. Parts List on page 12 are included 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 ASSEMBLY AND OPERATING INSTRUCTIONS NOTE For additional information regarding the parts listed in the following pages refer to the Assembly Diagram on page 13 1 WARNING Always make sure the Power Cord part 50 of the Angle Grinder is unplugged from its electrical outlet prior to adding any accessories or making any adjustments to the tool 2 To install a 4 1 2 diameter Grinding Wheel not included depress the Stop Pin part 11 to keep the Spindle part 27 from turning Insert the Wrench part 58 into the two holes located in the Flange Nut part 32 Unscrew and remove the Flange Nut Then release pressure on the Stop Pin See Figure D 3 Insert the 4 1 2 diameter Grinding Wheel fully onto the Spindle part 27 making sure the Grinding Wheel fits snugly against the inner Flange part 30 Depress the Stop Pin part 11 to keep the Spindle part 27 from turning Make sure the Flange Nut part 32 is firmly retightened onto the Spindle Then release pressure on the Stop Pin See Figure D STOP PIN ee ag 11 GEAR BOX INNER FLANGE 15 30 HANDLE 16 POWER SWITCH 39 INSERT 4 1 2 GRINDING WHEEL BRUSH HOLDER 40 ONTO CARBON BRUSH 41 PINDLE BRUSH CAP 42 gt 27 FIGURE
8. e Polisher Waxer These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement Always wear safety impact eye goggles and heavy work gloves when using this tool Using personal safety devices reduce the risk for injury Safety impact eye goggles and heavy work gloves are available from Harbor Freight Tools Maintain a safe working environment Keep the work area well lit Make sure there is adequate surrounding workspace Always keep the work area free of obstructions grease oil trash and other debris Do not use a power tool in areas near flammable chemicals dusts and vapors Do not use this product in a damp or wet location N WARNING All accessories for this tool must be rated for at least 12 000 RPM Grinding Wheels and other accessories running over the rated 12 000 RPM speed can fly apart and cause injury When using a handheld power tool always maintain a firm grip on the tool with both hands to resist starting torque Use only 4 1 2 diameter Grinding Wheels that having a 5 8 center mounting hole Never disable or modify the Wheel Guard SKU 03150 PAGE 5 REV 04 06 REV 01 04 8 Avoid unintentional starting Make sure you are prepared to begin work before turning on this tool 9 10 11 12 13 14 15 16 Do not force this tool This tool will do the work better and safer at the speed and capacity for which it was designed Do not force the
9. emove adjusting keys or wrenches before turning the power tool on A wrench or a key that is left attached to a rotating part of the power tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the power tool in unexpected situations Use safety equipment Always wear eye protection Dust mask nonskid safety shoes hard hat or hearing protection must be used for appropriate conditions TOOL USE AND CARE Use clamps not included or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control Do not force the tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use the power tool if the Power Switch does not turn it on or off Any tool that cannot be controlled with the Power Switch is dangerous and must be replaced Disconnect the Power Cord Plug from the power source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of reach of children and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with a sha
10. ents 2 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 SKU 03150 PAGE 2 10 Keep bystanders children and visitors away while operating a power tool Distractions can cause you to lose control Protect others in the work area from debris such as chips and sparks Provide barriers or shields as needed ELECTRICAL SAFETY Grounded tools must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances Never remove the grounding prong or modify the plug in any way Do not use any adapter plugs Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded If the tools should electrically malfunction or break down grounding provides a low resistance path to carry electricity away from the user Double insulated tools are equipped with a polarized plug one blade is wider than the other This plug will fit in a polarized 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 a polarized outlet Do not change the plug in any way Double insulation O eliminates the need for the three wire grounded power cord and grounded power supply system Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigerators
11. ext page 3 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 Figure C 4 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 Figure C 5 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 Figure C SKU 03150 PAGE 8 6 lf you are using an extension cord outdoors make sure it is marked with the suffix W A W in Canada to indicate it is acceptable for outdoor use 7 Make sure your 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 8 Protect your extension cords from sharp objects excessive heat and damp or wet areas RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 VOLT NAMEPLATE EXTENSION CORD LENGTH AMPERES At Full Load Based on limiting the line voltage drop FIGURE C to five volts at 150 of the rated amperes Double Insulated Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current Amperes No Load Revolutions per Minute RPM SKU 03150 PAGE 9 UNPACKING When unpacking check to make sure all the parts shown on the
12. have the problem corrected before further use Do not use damaged equipment 3 PERIODICALLY the two Carbon Brushes part 41 should be checked If the Carbon Brushes are simply dirty they may be cleaned by rubbing them with a pencil eraser If the Carbon Brushes are excessively worn they must both be replaced at the same time To clean or replace the Carbon Brushes unscrew and remove the Brush Caps part 42 to expose the Carbon Brushes Pull out both Carbon Brushes from their Brush Holders part 40 and insert two new Carbon Brushes in the Brush Holders Then replace the Brush Caps See Figure D 4 Use only a clean cloth and mild detergent to clean the body of the Angle Grinder Do not use solvents Do not immerse any part of the tool in liquid SKU 03150 PAGE 11 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 PR
13. 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 A WARNING People with pacemakers should consult their physician s before using this product Operation of electrical equipment in close proximity to a heart pacemaker could cause interference or failure of the pacemaker SKU 03150 PAGE 6 WARNING Improperly connecting the grounding wire can result in the risk of electric shock 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 i 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 of elec tric shock See Figure A
14. rp cutting edge are less likely to bind and are easier to control Do not use a damaged tool Tag damaged tools Do not use until repaired SKU 03150 PAGE 4 22 23 24 20 Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tool s operation If damaged have the tool serviced before using Many accidents are caused by poorly main tained tools Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool SERVICE Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a tool use only identical replacement parts Follow instructions in the Inspection Maintenance And Cleaning section of this manual Use of unauthorized parts or failure to follow maintenance instructions may create a risk of electric shock or injury SPECIFIC SAFETY RULES 1 Always use proper guard with grinding wheel A guard protects the operator from broken wheel fragments Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord Contact with a live wire will make exposed metal parts of the tool live and shock the operator Maintain labels and nameplates on th
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