Harbor Freight Tools 92798 User's Manual
Contents
1. To avoid electrical shock do not handle the Charger 39 its Power Cord Plug or the Impact Wrench with wet hands Keep the Handle of the Impact Wrench dry clean free from oil and grease Avoid unintentional starting Make sure you are prepared to begin work before turning on the Impact Wrench Never leave the Charger 39 unattended when it is plugged into an electrical outlet Make sure to unplug it from its electrical outlet before leaving Always turn off the Impact Wrench and unplug the Charger 39 from its electrical outlet before changing accessories or performing any inspec tion maintenance or cleaning procedures Always switch to a fresh Battery 37 when tool performance begins to diminish Severe heat is most destructive to a Battery The more heat gener ated the faster the Battery loses power A Battery that gets too hot can be per manently damaged Never over discharge a Battery by using the tool even after tool performance is decreasing Never attempt to discharge a tool s Battery by continuing to pull the tool s trigger When tool performance begins to diminish stop the tool recharge the Battery and use the fresh Battery for optimal perfor mance Battery 37 leakage may occur under extreme usage or temperature condi tions If Battery fluid comes in contact with skin wash with soap and water and rinse with lemon juice and vinegar If the fluid comes into contact with the eyes flush with water for seve2. ing power tools may result in serious personal injury SKU 92798 For technical questions please call 1 800 444 3353 Page 3 2 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 3 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 4 Remove 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 5 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 6 Use safety equipment Always wear eye ANSI approved safety impact eye goggles Dust mask non skid safety shoes hard hat or hearing protection must be used for appropriate conditions TOOL USE AND CARE 1 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 2 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 oi D
3. 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 2 Double insulated tools may be used in either of the 120 volt outlets shown in the following illustration See Figure A 120 VOLT GROUNDED ELECTRICAL OUTLET FIGURE A 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 SKU 92798 For technical questions please call 1 800 444 3353 Page 7 serious drop in voltage resulting in loss of power and possible tool damage See Figure B 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 B 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 B 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 B 6 If you are using an extension cor
4. the handle of the Impact Wrench See Figure D NOTE If charging more than one Battery 37 allow the Charger 39 to cool down before reusing See Figure D OPERATING INSTRUCTIONS iF Before installing a socket make sure the Battery 37 is removed from the Impact Wrench to avoid accidental starting Then firmly insert the Socket onto the 1 2 Impact Head 7 of the tool See Figure D Whenever possible secure the workpiece in place using a vise or clamps not included Insert the fully charged Battery 37 into the handle of the Impact Wrench See Figure D Use the Forward Reverse Switch 32 to select the turning rotation of the Impact Wrench See Figure D Insert the socket onto the nut that is to be loosened tightened Make sure to hold the Impact Wrench firmly with both hands as torque from the Motor will cause the tool to twist Then squeeze the Trigger 36 to turn on the Impact Wrench See Figure D When finished release the Trigger 36 to stop the Impact Wrench Then re move the Battery 37 and socket from the tool See Figure D Make sure to store the Impact Wrench in a dry clean location out of reach of children and other unauthorized people REV 03 05 SKU 92798 For technical questions please call 1 800 444 3353 Page 11 INSPECTION MAINTENANCE AND CLEANING 1 WARNING Always let the Trigger 36 rest in its OFF position remove the Battery 37 from the tool and unpl
5. turn off the Impact Wrench See Figure D 3 Forward Reverse Switch 32 The Forward Reverse Switch allows you to change the rotational direction of the Impact Wrench For a clockwise rotation move the Forward Reverse Button to the right For a counterclockwise rotation move the Forward Reverse Button to the eft To avoid damage to the Impact Wrench always wait until the tool completely stops before changing rotational directions See Figure D 4 1 2 Drive Impact Head 7 The 1 2 Impact Head features a spring and ball to securely hold a socket The Impact Head accepts all sizes of standard and metric sockets having a 1 2 drive See Figure D a REV 5 SKU 92798 For technical questions please call 1 800 444 3353 Page 9 5 Battery 37 The power source for the Impact Wrench is a rechargeable 19 2 VDC Battery Make sure to follow all safety precautions when working with the Battery See Figure D 6 Charger 39 The Charger is powered by plugging its Power Plug into a 120 volt grounded electrical outlet NEVER attempt to power the Charger with any other electrical source other than a 120 volt grounded electrical outlet See Figure D IMPACT HEAD a BATTERY 37 FORWARD REVERSE SWITCH 32 TRIGGER 36 TO 120 VOLT CHARGER GROUNDED 39 ELECTRICAL OUTLET FIGURE D TO CHARGE THE IMPACT WRENCH ie NOTE The Battery 37 requires charging The first charge requi
6. 9 carbon Brush Trigger Batter 18 Bearing 2 36 Stun Screw arger 2o msi Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts For technical questions please call 1 800 444 3353 Page 13
7. CHICAGO a YeriiteyPOwer Tools CORDLESS IMPACT WRENCH 1 2 DRIVE 19 2 VOLT Model 92798 OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http Awww harborfreight com TO PREVENT SERIOUS INJURY READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE Copyright 2005 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 Item Description Electrical Requirements Power Output 19 2 VDC Power Input 120 VAC 60 Hz Charger Battery Type 1 7Ah Panasonic Charge Time 1 Hour Fast Charge Charger Power Plug 2 Prong Polarized Drive Size 0 2300 RPM 0 2300 BPM Reversible 260 Ft Lbs 4 Qty Sizes 11 16 13 16 7 8 11 L x 3 3 8 W x 10 7 8 H 7 3 Pounds Trigger Type Variable Speed UNPACKING When unpacking check to make sure all the parts shown on the Parts List on page 13 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 SAVE THIS MANUAL You will need this manual for the safety warnings and precautions assembly operating inspection maintenance and cleaning procedures parts list and assembly diagra
8. d 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 to five volts at 150 of the rated am FIGURE B SKU 92798 For technical questions please call 1 800 444 3353 Page 8 SYMBOLOGY Double Insulated Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current No Load Revolutions per Minute RPM FIGURE C PRODUCT FEATURES NOTE For additional information regarding the parts listed in the following pages refer to the Assembly Diagram on page 13 A WARNING Always make sure the Trigger 36 of the Impact Wrench is in its OFF position the Battery 37 is removed from the Impact Wrench and the Charger 39 is unplugged from its electrical outlet prior to making any adjust ments to the tool See Figure D next page 2 Trigger 36 The Trigger is operated manually simply by squeezing the Trigger to turn on the Impact Wrench and releasing pressure on the Trigger to
9. eely After replacement or cleaning replace the two Brush Holder Caps NOTE New Carbon Brushes tend to arc or spark when first used until they wear and conform to the Motor s Rotor 5 CAUTION All maintenance service or repairs not listed in this manual are only to be attempted by a qualified service technician 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 REV 04 06 SKU 92798 For technical questions please call 1 800 444 3353 Page 12 SKU 92798 PARTS LIST amp ASSEMBLY DIAGRAM Part Description Part Description _ TT StunScrew 1 gt 1 Beamng SSCS r3___ Front Cover 23 Plate SS 6 Plate Washer 26 Olle Bearmg 8___ Impact Shaft 28 Brush Holder Cap o Bearing 1 2
10. m 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 A WARNING GENERAL SAFETY RULES 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 accidents 2 Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks REV 03 05 SKU 92798 For technical questions please call 1 800 444 3353 Page 2 which may ignite the dust or fumes 3 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 1 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
11. ns 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 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 the Impact Wrench in areas near flammable chemicals dusts and vapors Do not use this product in a damp or wet location Maintain labels and nameplates on the Impact Wrench These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement When using the Impact Wrench always maintain a firm grip on the tool with both hands Do not use the Impact Wrench or Charger 39 if it has been dropped dam aged left outdoors or immersed in liquid Do not charge the Battery 37 when the temperature is below 50 degrees Fahrenheit or above 104 degrees Fahrenheit Do not shake drop or strike the Battery 37 To avoid electrical shock do not pull or carry the Charger 39 by its Power Cord or pull the Power Cord around sharp corners or edges Do not SKU 92798 For technical questions please call 1 800 444 3353 Page 5 10 11 12 13 14 15 16 17 unplug the Charger by pulling on the Power Cord Keep the Power Cord away from heated surfaces
12. o 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 4 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 5 Store idle tools out of reach of children and other untrained persons Tools are dangerous in the hands of untrained users 6 Maintain tools with care Keep tools clean and dry Properly maintained tools with a sharp 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 92798 For technical questions please call 1 800 444 3353 Page 4 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 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 instructio
13. ral minutes and contact a doctor immediately Never burn the Battery as it can explode in a fire Do not charge the Impact Wrench with a leaking Battery Contact local solid waste authorities for instruc tions on correct disposal or recycling of the Battery Z 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 ZA WARNING The warnings precautions and instructions discussed in this manual cannot cover all possible conditions and situations that may occur The operator must understand that common sense and caution are factors which cannot be built into this product but must be supplied by the operator SKU 92798 For technical questions please call 1 800 444 3353 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 DOUBLE INSULATED TOOLS TOOLS WITH TWO PRONG PLUGS if Tools marked Double
14. res 1 hour charge time prior to using the Impact Wrench See Figure D 2 The Battery 37 should only be recharged when the Impact Wrench begins to run slowly See Figure D 3 When the Battery 37 requires recharging a 1 hour charge allows the tool to operate at full power Do not recharge the Battery longer than 1 hour as damage to the Battery and or Impact Wrench will occur See Figure D 4 Make sure the Trigger 36 on the Impact Wrench is in its OFF position Slide the Battery 37 off the handle of the Impact Wrench Insert the Battery into the charging socket of the Charger 39 Then plug the Charger into the nearest 120 volt grounded electrical outlet See Figure D SKU 92798 For technical questions please call 1 800 444 3353 Page 10 Verify that the RED Charging Indicator Light comes on If it does not illuminate check the power connection or try a different electrical outlet Charge the Battery 37 for 1 hour NOTE When the Battery is fully charged the RED Charging Indicator Light will turn off and the GREEN Charged Light will illuminate Subse quent charging can also be done in 1 hour See Figure D While charging the Battery 37 and Charger 39 may become warm to the touch This is normal and does not indicate a problem See Figure D Once the Battery 37 is fully charged disconnect the Charger 39 from the electrical outlet Remove the Battery from the Charger and insert the Battery into
15. ug the Charger 39 from its electrical outlet before performing any inspection maintenance or cleaning 2 Before each use Inspect the general condition of the Impact Wrench Check for misalignment or binding of moving parts cracked or broken parts leaking Battery damaged Charger wiring chipped or broken sockets and any other condition that may affect its safe operation If abnormal noise or vibration occurs have the prob lem corrected before further use Do not use damaged equipment 3 Daily With a clean cloth remove all dirt grease and oil from the Impact Wrench Do not immerse the Impact Wrench in any liquids 4 It may become necessary at sometime to replace or clean the two Carbon Brushes 29 when the Motor performance decreases or stops working completely To replace the Carbon Brushes Remove the two Brush Holder Caps 28 Then remove the two Carbon Brushes 29 keeping track of the orientation and location of each If either Carbon Brush is worn more than halfway replace both Carbon Brushes If the Carbon Brushes are just dirty however they may be cleaned by rubbing them with a pencil eraser If cleaning and replacing used brushes try to install them in the same holders and in the same direction they were removed When installing the Carbon Brushes make sure the carbon portion of the Carbon Brushes contact the Motor s Rotor and that the springs face away from the Motor Also make sure the springs operate fr
16. user 2 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 O 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 4 Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock 5 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 6 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 1 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
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