Northern Industrial Tools 150611 User's Manual
Contents
1. 3 4 ELECTRIC IMPACT WRENCH INSTRUCTION MANUAL WARNING Read carefully and understand RULES FOR SAFE OPERATION and instructions before operating Failure to follow the safety rules and other basic safety precautions may result in serious personal injury Item 150611 PRODUCT SPECIFICATIONS Electrical 120V 60 Hz 8 5 AMPs Requirements Power Plug Type 2 Prong Polarized Power Switch Type Rocker w Forward amp Reverse Impacts Per Minute 1700 BPM Ft Lbs Torque 400 Ft Lbs Construction Poly Plastic High Carbon Steel Cast Aluminum Rubber Unit Weight 12 76 Pounds UNPACKING When unpacking check to make sure all the parts shown on the 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 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 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 WARNING READ AND UNDERSTAND ALL INSTRUCTIONS Failure to follow all instructions listed in the following pages may result in electric shock fire and or serious injury SAVE THESE INSTRUCTIONS WORK AREA2. Keep your work area clean and well lit Cluttered benches and dark areas invite accidents 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 flammables 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 PERSONAL SAFETY Stay alert Watch what you are doing and use common sense when operating a power tool Do not use a power tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury 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 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 Do not overreach Keep proper footing and balance at all times Proper footing and balance e
3. onto the 3 4 Impact Head 10 of the tool Note Only use impact sockets with this tool See Figure D Whenever possible secure the workpiece in place using a vise or clamps not included Insert the socket onto the nut that is to be loosened tightened Plug the Power Cord 46 of the Impact Wrench into the nearest 120 volt grounded electrical outlet See Figure D 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 upper portion of the Rocker Switch 39 to loosen the nut or squeeze the lower portion of the Rocker Switch to tighten the nut See Figure D When finished release the Rocker Switch 39 to stop the Impact Wrench Then unplug the Power Cord 46 from its electrical outlet See Figure D Make sure to store the Impact Wrench in its Carrying Case 57 and in a dry clean location out of reach of children and other unauthorized people INSPECTION MAINTENANCE AND CLEANING A WARNING Always make sure the Rocker Switch 39 is in its OFF position and unplug the Power Cord 46 from its 120 volt electrical outlet before performing any inspection adjustments maintenance or cleaning Before each use Inspect the general condition of the Impact Wrench Check for loose screws misalignment or binding of moving parts cracked or broken parts damaged electrical wiring and any other condition that may affect its safe operat
4. 25 26 27 28 NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts 12 ASSEMBLY DIAGRAM NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts 13 WARNING Some dust created by power sanding sawing grinding and other construction activities contains chemicals known 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 cement and 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 use approved personal protective equipment such as dust masks that are specially designed to filter out microscopic particles Northern Tool Equipment Co 2800 Southcross Drive West P O Box 1499 Burnsville MN55337 0499 Made in China
5. SH CAP 50 CARBON BRUSH 49 FIGURE E 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 11 PARTS LIST Description Qty Protection Cover __ 1 4 O Ring Hex Bolt M5 x 60 Compression Spring End Cap 4 Pin 2 x 10 1 1 2 Spring Pin 2 Screw ST4 2 x 19 F H Handle Cover i 7 10 11 Rocker Switch 1 Qty 7 1 J 1 1 1 1 1 1 1 22 7 2 1 2 2 7 1 1 1 1 1 J 1 2 2 J 12 Steel Ball 5 32 13 Spring 14 Steel Ball 9 32 A B A A A i a a a ad i a A 2 Spinde M G a A o a a a A A A A A 2 A Part 1 1 16 4 Armature 2 2 ear i 1 1 2 1 1 17 18 19 20 21 22 23 2 NO O1
6. TWO PRONG PLUGS 1 Tools marked Double Insulated do not require grounding They have a special double insulation system which satisfies OSHA requirements and complies with 5 the applicable standards of Underwriters Laboratories Inc the Canadian Standard Association and the National Electrical Code See Figure A Double insulated tools may be used in either of the 120 volt outlets shown in the following illustration See Figure A FIGURE A EXTENSION CORDS 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 Figure B next page 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 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 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 If 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 ou
7. ange the plug in any way Double insulation O eliminates the need for the three wire grounded power cord and grounded power supply system 3 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 A 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
8. ch with wet hands 6 Keep the Handle of the Impact Wrench dry clean free from oil and grease 7 Always turn off the Impact Wrench and unplug the tool from its electrical outlet before changing accessories or performing any inspection maintenance or cleaning procedures 8 Industrial applications must follow OSHA requirements 9 Use the right tool or attachment for the right job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool or attachment There are certain applications for which this product was designed It will do the job better and more safely at the rate for which it was intended Do not modify this product and do not use this product for a purpose for which it was not intended 10 N 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 11 8 PRODUCT FEATURES NOTE For additional information regarding the parts listed in the following pages refer to the Assembly Diagram on page 13 1 A WARNING Alwa
9. cidents are caused by poorly maintained tools 8 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 1 Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury 2 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 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 4 break down grounding provides a low resistance path to carry electricity away from the 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 ch
10. ion If abnormal noise or vibration occurs have the problem corrected before further use Do not use damaged equipment Daily Use a clean cloth and mild detergent to remove all dirt and debris from the Impact Wrench Do not use solvents Do not immerse the Impact Wrench in any liquid 10 4 To replace the Motor Carbon Brushes It may become necessary at sometime to replace the two Carbon Brushes 49 when the Motor performance decreases or stops working completely The Carbon Brushes are located on each side of the Field Case 31 To do so remove the two Brush Cap Covers 51 Next remove the two Brush Caps 50 Then remove the two Carbon Brushes 49 If the Carbon Brushes are worn down more than 1 2 replace both Carbon Brushes If however the Carbon Brushes are just dirty they may be cleaned by rubbing them with a pencil eraser When installing the Carbon Brushes make sure the carbon portion of the Carbon Brushes contact the Motor Armature and that the springs face away from the Motor Also make sure the springs operate freely After cleaning or replacement replace the Brush Caps 50 and Brush Cap Covers 51 NOTE New Carbon Brushes tend to arc or spark when first used until they wear and conform to the Motor s Armature See Figure E 5 All maintenance service and repairs not listed in this manual are only to be attempted by a qualified technician RIGHT SIDE LEFT SIDE S l s BRUSH CAP COVER 51 BRU
11. nables better control of the power tool in unexpected situations Use safety equipment Always wear ANSI approved safety goggles underneath a full face shield a dust mask or respirator and hearing protection TOOL USE AND CARE Use clamps or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand is unstable and may lead to loss of control Only work on a workpiece that is properly secured 3 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 3 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 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 Do not use a damaged tool Tag damaged tools Do not use until repaired 7 Check for misalignment or binding of moving parts breakage of parts cracking or breakage of the Cut Off Wheel and any other condition that may affect the tool s operation If damaged have the tool serviced before using Many ac
12. tdoor use 6 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 FEET FEET AMPERES At Full Load Based on limiting the line voltage drop to five volts at 150 of the rated amperes FIGURE B Double Insulated GE Canadian Standards Association Underwriters Laboratories Inc Volts Alternating Current CA ares No Load Revolutions xxxx min Per Minute RPM FIGURE C SPECIFIC SAFETY RULES l Maintain labels and nameplates on the Impact Wrench These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement 2 When using the Impact Wrench always maintain a firm grip on the tool with both hands one hand on side handle and one on main handle o Do not use the Impact Wrench if it has been dropped damaged left outdoors or immersed in liquid 4 To avoid electrical shock do not pull or carry the Impact Wrench by its Power Cord or pull the Power Cord around sharp corners or edges Do not unplug the Impact Wrench by pulling on the Power Cord Keep the Power Cord away from heated surfaces 5 To avoid electrical shock do not handle the Impact Wren
13. ys make sure the Rocker Switch 39 of the Impact Wrench is in its OFF position and the tool is unplugged from its electrical outlet prior to making any adjustments to the tool See Figure D Note When your finger is off the Rocker Switch 39 the tool is in the OFF position 2 Rocker Switch 39 The Rocker Switch is operated manually simply by squeezing the Switch to turn on the Impact Wrench and releasing pressure on the Switch to turn off the Impact Wrench The Rocker Switch features a forward reverse mechanism which allows you to change the rotational direction of the Impact Wrench For a clockwise rotation squeeze the lower portion of the Rocker Switch Fora counterclockwise rotation squeeze the upper portion of the Rocker Switch To avoid damage to the Impact Wrench always wait until the tool completely stops before changing rotational directions See Figure D 3 3 4 Impact Head 10 The 3 4 Impact Head features a spring and ball clip to securely hold a socket The Impact Head accepts all sizes of standard and metric sockets having a 3 4 drive See Figure D IMPACT HEAD 10 REVERSE COUNTERCLOCKWISE ROCKER SWITCH 39 FORWARD CLOCKWISE POWER CORD 46 FIGURE D OPERATING INSTRUCTIONS ae Before installing a socket not included turn off the Impact Wrench and unplug the tool from its electrical outlet before changing accessories Then firmly insert a 3 4 drive socket not included
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