Harbor Freight Tools 44141 Grinder User Manual
Contents
1. are tired Check for damaged parts Before using any tool any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is damaged should be properly repaired or replaced by a qualified technician Do not use the tool if any switch does not turn On and Off properly Guard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools Do not operate tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the tool Use proper size and type extension cord If an extension cord is required it must be of the proper size and type to supply the correct current to the tool without heating up Otherwise the extension cord could melt and catch fire or cause electrical damage to the tool This tool requires use of an extension cord of 0 to 10 amps capability up to 502. easily slide into the Carbon Brush Holder 25 Use an old toothbrush to remove dirt or debris See Figure 5 and the Assembly Diagram on page 9 of this manual Figure 5 Carbon Brush 24 2 Changing Carbon Brushes 24 To remove the Carbon Brushes 24 use a flat screwdriver to remove the Carbon Brush Cap 23 Gently remove the Carbon Brushes 24 and the spring See Figure 5 and the Assembly Diagram on page 9 of this manual Replace or clean the brushes and slide back into the Carbon Brush Holder 25 3 This grinder vibrates from the high rate of rpm s utilized in operation Frequently inspect all screws and tighten if necessary 4 Keep all liquids away from the grinder s internal mechanism Any further maintenance must be performed by a authorized service technician SKU 44141 Page 7 Parts List Part No Description Qty Part No Description Qty 1 Collet 1 23 Brush Holder Cap 2 2 Screw ST3 9x32 C H_ 4 24 Carbon Brush 2 3 Front Case 1 25 Carbon Brush Holder 2 4 Washer 4 13 26 Screw ST3 9x10 C H 1 5 Spindle 1 27 Switch 1 6 Ball Bearing 6001 2RS 1 28 Screw ST3 9x16 C H 6 7 Retaining Ring 12 1 29 Switch Base 1 8 Ball Bearing 6200 2RS 1 31 Cover 1 9 Retaining Ring 30 1 32 Screw St3 9x13 C H 1 10 Coupling 1 33 Cord Guard 1 11 Washer 1 34 Nut M4 2 12 Retaining Ring 22 1 35 Support 2 13 Ball Bearing 626 2RS 1 36 Rear Cove
3. feet with wire size rated at 18 AWG Longer extension cords require larger size wire If you are using the tool outdoors use an extension cord rated for outdoor use signified by WA on the jacket Maintenance For your safety maintenance should be performed regularly by a qualified technician SKU 44141 Page 3 Note Performance of this tool if powered by line voltage may vary depending on variations in local line voltage Extension cord usage may also affect tool performance Warning The warnings cautions 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 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 masonry products e Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are speci
4. moving parts Protective electrically non conductive clothes and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair 8 Use eye and ear protection Always wear ANSI approved impact safety goggles REV 06b 071 SKU 44141 Page 2 10 Th 12 13 14 15 16 17 18 19 20 Wear a full face shield if you are producing metal filings or wood chips Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines Maintain tools with care Keep tools sharp and clean for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool cords periodically and if damaged have them repaired by an authorized technician The handles must be kept clean dry and free from oil and grease at all times Disconnect power Unplug power cord when not in use Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from the tool or machine work surface before plugging it in Avoid unintentional starting Be sure the switch is in the Off position when not in use and before plugging in Do not carry any tool with your finger on the trigger whether it is plugged in or not Stay alert Watch what you are doing use common sense Do not operate any tool when you
5. CH ICAGO f Xefite Power Tools ELECTRIC LONG SHAFT DIE GRINDER ASSEMBLY and OPERATING INSTRUCTIONS 1 4 Collet Accepts Most Popular Die Grinding Accessories Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein 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 2000 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 or replacement parts please call 1 800 444 3353 REV 06b Specifications RPM s 25 000 No Load Load Amps 4 3 Watts 500 120V 60 HZ Collet Diameter 1 4 Power Cord 18 Gauge 2 Prong Polarized Aus LISTED Tool Length 14 1 E194601 Wheel Diameter Maximum 1 1 2 Weight 4 10 Lbs Includes 2 Arbor Wrenches and 2 Spare Brushes Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice nu
6. ally designed to filter out microscopic particles California Health amp Safety Code 25249 5 et seq Warning There are certain applications for which this tool was designed Harbor Freight Tools strongly recommends that this tool not be modified and or used for any application other than which it was designed All accessories must be rated for at least 25 000 RPM Wheels and other accessories running over rated speed can fly apart and cause injury For safest operation it is recommended that only these accessories be used with this product Abrasive Cut Off Discs and Wheels Flap Wheels Wire Brushes Wire Wheel Brushes 1 4 Shaft Grinding Wheels Rotary Burrs Always use an approved and proper guard when using the above mentioned accessories Each accessory must have the correct arbor size and must fit properly on the shoulder bushing Make sure accessories are tightened down securely CAUTION NEVER INSTALL A CARBIDE TIPPED OR STEEL CIRCULAR SAW BLADE FOR USE ON THIS DIE GRINDER NEVER INSTALL A WOOD CARVING BLADE CARVING DISC WITH SAW CHAIN CUTTERS OR A CUTTING CARVING DISC ON THIS DIE GRINDER Unpacking When unpacking check to make sure the parts listed on page 8 are included If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible SKU 44141 Page 4 Rev 01c 08a Operation Caution Unplug the Grinder and turn the Switch Lever 20 to t
7. ct This warranty gives you specific legal rights and you may also have other rights which vary from state to state 3491 Mission Oaks Blvd e PO Box 6009 Camarillo CA 93011 800 444 3353 REV 08a SKU 44141 Page 10
8. he off position Use Type 1 grinding wheels with a 1 1 2 maximum diameter and 1 4 maximum thickness 1 This grinder is equipped with a Collet Chuck 1 The Collet Chuck 1 is sized to accept a 1 4 mandrel To use any other sized mandrel ie 1 8 you must change the Se Collet Chuck 1 See Figure 1 QRe 2 Rotary Files and Grinding Wheels Figure 1 Collet Shaft S bij Collet Chuck The maximum diameter for rotary files with a 1 4 Figure 2 mandrel is 3 8 The maximum diameter for mh 4 4 Mandrel grinding wheels with a 1 4 mandrel is 1 1 2 See Figure 2 Grinding Wheel Max Dia 1 1 2 Warning Never use files or wheels rated below 25 000 rpm s They can disintegrate during operation causing serious injury Rotary File Max Dia 3 8 Note Use grinding wheels when cutting or shaping hard materials Use rotary files for milling soft metals such as brass copper or aluminum 3 Using the two wrenches provided with the grinder kit attach a grinding wheel or rotary file Hold the lower section closest to collet shaft of the Collet Chuck 1 with one of the wrenches while turning the Collet Chuck 1 with the other wrench to loosen See Figures 1 and 3 4 Insert the mandrel into the Collet Chuck 1 at least 5 8 Failure to do so could cause the mandrel to disengage from the Collet Chuck 1 causing serious injury 5 U
9. mber on the inside of the front cover Keep the manual and invoice in a safe and dry place for future reference Safety Warnings and Precautions WARNING When using tool basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool 1 Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Do not use machines or power tools in damp or wet locations Don t expose to rain Keep work area well lighted Do not use electrically powered tools in the presence of flammable gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords 4 Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children 5 Do not force tool It will do the job better and more safely at the rate for which it was intended Do not use inappropriate attachments in an attempt to exceed the tool capacity 6 Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed Do not modify this tool and do not use this tool for a purpose for which it was not intended 7 Dress properly Do not wear loose clothing or jewelry as they can be caught in
10. nal 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 produ
11. r 1 14 Inner Cover 1 37 Power Cord 1 15 Armature Assembly 1 38 Description Plate 1 16 Screw 2 39 Nameplate 1 17 Ball Bearing 626 2RS 1 42 Washer 1 18 Field Assembly 1 43 Rubber Gauge Washer 1 19 Rubber Gauge Washer 1 ACCESSORIES 20 Switch Lever 1 40 Wrench 1 21 Switch Pull Rod 1 41 Wrench 1 22 Motor Housing 1 24A Spare Carbon Brush 2 PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBU TOR 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 NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts SKU 44141 Page 8 Assembly Diagram Page 9 SKU 44141 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 origi
12. sing the wrenches securely tighten the S Collet Chuck 1 See Figure 3 Note Before each use always check that the mandrel is securely fastened into the Collet Chuck 1 Figure 3 SKU 44141 Page 5 6 Make sure your hands and fingers are not touching the grinding wheel or file before starting the unit Plug in the unit 7 For maximum safety and control hold the grinder with both hands away from your body Make sure you do not cover the vents on the Rear Cover 36 Restricting air flow from the vents could cause the motor to overheat effecting the overall life of the tool Note Make sure your workpiece is securely clamped down 8 Holding the unit away from your body turn the Switch Lever 20 on See Figure 4 Switch Lever 20 Figure 4 Workpiece Gently make contact with your workpiece Let the tool do the work Do not force it Excessive pressure could bend or break the mandrel causing injury The grinder is designed to run smoothly under load If it is not running smoothly you are putting too much pressure on the tool SKU 44141 Page 6 Maintenance Caution Before starting maintenance make sure the tool is off and unplugged 1 This unit uses expendable Carbon Brushes 24 They need to be regularly inspected and changed if necessary The Carbon Brushes 24 will wear down to the limit line needing replacement Make sure the Carbon Brushes 24 are always clean They must be clean so that they
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