Harbor Freight Tools 1/2 in. Heavy Duty Air Impact Wrench Product manual
Contents
1. jeuondo 5 aseo s prosa pue 3 00 J04 eanssesd sisnipy opmajo JO 00 Woy pue HIP 100 sjoouuog SH IV 5 5100 5100 sry ajqeyiog g SETUP Item 69576 For technical questions please call 1 800 444 3353 Page 8 40135 100 104 jeuondo Bunsnipy N 1 2 niq pue aajdnoo 7 100 104 ainssoudue sjsnipy oeno JO 00 Woy IP SUAIA ______________ 12. omj sung 2 9 seul 0 911510 3 204 104 suonoas ______________ saed ul seinoag ayo a 104 sped H 5100 54 ry visi 3 9 H lt a gj dojs dn s 5 4 For technical questions please call 1 800 444 3353 Page 9 Item 69576 NOILVHJdO 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 product Inspect tool before use looking for damaged loose and missing parts If any problems are found do not use tool until repaired Tool Se
3. lt Symbols and Specific Safety Instructions Symbol Definitions Symbol Property or statement Property or statement EE No load speed NPT _ National pipe thread tapered min_ Revolutions or reciprocation per minute National pipe thread straight WARNING marking PSI Pounds per square inch of pressure concerning Risk of Eye Injury Wear ANSI approved eye protection Foot pounds of torque _ WARNING marking concerning Risk of Blows per minute Hearing Loss Wear hearing protection WARNING marking concerning Risk of Respiratory Injury Wear Cubic Feet per Minute flow NIOSH approved dust mask respirator SCFM at standard conditions WARNING marking concerning Risk of Explosion Page 4 For technical questions please call 1 800 444 3353 Item 69576 Specific Safety Instructions 1 The warnings and precautions discussed in this 4 Attach all accessories properly to the tool before manual cannot cover all possible conditions and connecting the air supply Aloose accessory situations that may occur It must be understood may detach or break during operation by the operator that common sense and caution factors which cannot be built into this 5 Obey the manual for the air compressor gt product but must be supplied by the operator used to power this tool 2 WARNING The brass components of 6 Install an in line shutoff valve to allow lt this product contain lead a chemical imm
4. Maintain the tool with care Keep a cutting tool sharp and clean A properly maintained tool with sharp cutting edges reduces the risk of binding and is easier to control Check for misalignment or binding of moving parts breakage of parts and any other condition that affects the tool s operation If damaged have the tool serviced before using Many accidents are caused by poorly maintained tools There is a risk of bursting if the tool is damaged Use only accessories that are identified by the manufacturer for the specific tool model Use of an accessory not intended for use with the specific tool model increases the risk of injury to persons Use only the lubricants supplied with the tool or specified by the manufacturer Page 3 SAFETY Air Source 1 Never connect to an air source thatis 2 Never use oxygen carbon dioxide combustible capable of exceeding 200 psi gases or any bottled gas as an air source Over pressurizing the tool may cause for the tool Such gases are capable of bursting abnormal operation breakage explosion and serious injury to persons of the tool or serious injury to persons Use only clean dry regulated compressed air at the rated pressure or within the rated pressure range as marked on the tool Always verify prior to using the tool that the air source has been adjusted to the rated air pressure or within the rated air pressure range A SAVE THESE INSTRUCTIONS wn gt TI m
5. in explosive atmospheres such as in the presence of flammable liquids gases or dust The tool is able to create sparks resulting in the ignition of the dust or fumes Page 2 For technical questions please call 1 800 444 3353 Item 69576 Personal Safety 1 Stay alert Watch what you are doing and use common sense when operating the tool Do not use the tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating the tool increases the risk of injury to persons Dress properly Do not wear loose clothing or jewelry Contain long hair Keep hair clothing and gloves away from moving parts Loose clothes jewelry or long hair increases the risk of injury to persons as a result of being caught in moving parts Avoid unintentional starting Be sure the switch is off before connecting to the air supply Do not carry the tool with your finger on the switch or connect the tool to the air supply with the switch on Remove adjusting keys and wrenches before turning the tool A wrench or a key that is left attached to a rotating part of the tool increases the risk of personal injury Tool Use and Care Use clamps or another practical way to secure and support the workpiece to a stable platform Holding the work by hand or against the body is unstable and is able to lead to loss of control Do not force the tool Use the correct tool for the application The correct tool w
6. 76 For technical questions please call 1 800 444 3353 Page 13 Parts List and Diagram 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 Parts List Part Description 4 FrontGasket_ __ _ 1 Description Description 17 6 5 Piot CC 6 Anvil Bushing 1 7 Socket Retaining Ring Grease Fitting 1 1 8 ______1 9 Anvil Cd 10 ___ 1 11 Hammer _____ 2 12 HammerPin 2 13 Washer ________ 1 Front Bearing Record Product s Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown f
7. Owner s Manual amp Safety Instructions 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 CENTRALPNEUMATIC 1 2 twin hammer air impact wrench Visit our website at http www harborfreight com ITEM 69576 Email our technical support at tech harborfreight com When unpacking make sure that the product is intact and undamaged If any parts are missing or broken AWARNING please call 1 800 444 3353 as soon as possible Copyright 2012 by Harbor Freight Tools All rights reserved i No portion of this manual or any artwork contained herein may be reproduced in Read this material before using this product any shape or form without the express written consent of Harbor Freight Tools Failure to do so can result in serious injury Diagrams within this manual may not be drawn proportionally Due to continuing SAVE THIS MANUAL improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included ALAAVS Table of Contents A 2 Maintenant nenoro a Nanon 12 SPECIFICATIONS 6
8. Parts List and 14 7 Warranty 16 10 CENTRAL WARNING SYMBOLS AND DEFINITIONS 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 A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury AWARNING Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided ACAUTION could result in minor or moderate injury NOTICE CAUTION Addresses practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINING TO A RISK OF FIRE ELECTRIC SHOCK OR INJURY TO PERSONS WARNING When using tools basic precautions should always be followed including the following General To reduce the risks of electric shock fire and injury to persons read all the instructions before using the tool Work Area 1 Keep the work area clean and well lighted 3 Keep bystanders children and visitors away Cluttered benches and dark areas increase the while operating the tool Distractions are able risks of electric shock fire and injury to persons to result in the loss of control of the tool 2 Do not operate the tool
9. e hand past 5 Include vibration free periods each day of work hand injuries nervous system disorders diabetes 6 Grip tool as lightly as possible while still keeping or Raynaud s Disease should not use this tool safe control of it Let the tool do the work If you feel any symptoms related to vibration such as tingling numbness and white or blue fingers 7 reduce vibration maintain seek medical advice as soon as possible tool as explained in this manual If abnormal vibration occurs stop immediately A SAVE THESE INSTRUCTIONS CENTRAL Item 69576 For technical questions please call 1 800 444 3353 Page 5 0138 Functional Description Specifications 90 PS Air Inlet 1 4 18 NPT Impact Rate 900 BPM Average Air Consumption 6 CFM 90 PSI 1 2 square Grease Fitting centered on back Anvil Control Valve k Trigger Air Inlet Figure A Components and Controls CENTRAL 6 For technical questions please call 1 800 444 3353 Item 69576 Initial Tool Set Up Assembly 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 A Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Note This air tool may be shipped with a protective plug covering the air inlet R
10. ediate control over the air supply in an 170 known to the State of California to cause emergency even if a hose is ruptured birth defects or other reproductive harm California Health amp Safety code 25249 5 et seq 7 Use this tool with both hands only Using tools with only one hand can result in loss of control 3 Only use with accessories rated to handle the forces exerted by this tool during operation Other accessories not designed for the forces generated may break and forcefully launch pieces 8 Do not lay the tool down until it has come to a complete stop Moving parts can grab the surface and pull the tool out of your control Vibration Precautions This tool vibrates during use Repeated or long term 2 Do not smoke during use Nicotine reduces exposure to vibration may cause temporary or permanent the blood supply to the hands and fingers physical injury particularly to the hands arms and increasing the risk of vibration related injury shoulders To reduce the risk of vibration related injury 3 Wear suitable gloves to reduce the 1 Anyone using vibrating tools regularly or for an vibration effects on the user extended period should first be examined by a doctor and then have regular medical check ups to 4 Use tools with the lowest vibration ensure medical problems are not being caused or when there is a choice worsened from use Pregnant women or people who have impaired blood circulation to th
11. emove this plug before set up Air Supply AWARNING TO PREVENT SERIOUS INJURY FROM EXPLOSION Use only clean dry regulated compressed air to power this tool Do not use oxygen carbon dioxide combustible gases or any other bottled gas as a power source for this tool 1 Incorporate a filter regulator with pressure gauge oiler in line shutoff valve and quick coupler for best service as shown on Figure B on page 8 and Figure C on page 9 An in line shutoff ball valve is an important safety device because it controls the air supply even if the air hose is ruptured The shutoff valve should be a ball valve because it can be closed quickly Note If an automatic oiler system is not used add a few drops of Pneumatic Tool Oil to the airline connection before operation Add a few more drops after each hour of continual use 2 Attach an air hose to the compressor s air outlet Connect the air hose to the air inlet of the tool Other components such as a coupler plug and quick coupler will make operation more efficient but are not required AAWARNING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Do not install a female quick coupler on the tool Such a coupler contains an air valve that will allow the air tool to retain pressure and operate accidentally after the air supply is disconnected Note Air flow and therefore tool performance can be hindered by undersized air supply components The air hose must be lo
12. er Clean around trigger to ensure free movement Incorrect lubrication or Lubricate using air tool oil and grease not enough lubrication according to directions Blocked air inlet screen Clean air inlet screen of buildup if equipped Air leaking from loose housing 5 Make sure housing is properly assembled and tight Mechanism contaminated Have qualified technician clean and lubricate mechanism Install in line filter in air supply as stated in Setup Air Supply Vane wear or damage Replace all vanes as set Severe air leakage 1 Cross threaded housing Check for incorrect alignment and uneven gaps Slight air leakage components If cross threaded disassemble and is normal replace damaged parts before use especially on Loose housing Tighten housing assembly older tools If housing cannot tighten properly internal parts may be misaligned Technician needs to disassemble tool align parts and reassemble Damaged valve or housing Replace damaged components 4 Dirty worn or damaged valve 4 Clean or replace valve assembly Housing heats Incorrect lubrication or Lubricate using air tool oil and grease during use not enough lubrication according to directions Worn parts Have qualified technician inspect internal mechanism and replace parts as needed Follow all safety precautions whenever diagnosing or servicing the tool Disconnect air supply before service MAINTENANCE Item 695
13. ill do the job better and safer at the rate for which the tool is designed Do not use the tool if the switch does not turn the tool on or off Any tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the tool from the air source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool unintentionally Turn off and detach the air supply safely discharge any residual air pressure and release the throttle and or turn the switch to its off position before leaving the work area Service Item 69576 Tool service must be performed only by qualified repair personnel When servicing a tool use only identical replacement parts Use only authorized parts For technical questions please call 1 800 444 3353 Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the tool in unexpected situations Use safety equipment A dust mask non skid safety shoes and a hard hat must be used for the applicable conditions Always wear eye protection Wear ANSI approved safety goggles Always wear hearing protection when using the tool Prolonged exposure to high intensity noise is able to cause hearing loss Store the tool when it is idle out of reach of children and other untrained persons A tool is dangerous in the hands of untrained users
14. n 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 CENTRAL 3491 Mission Oaks Blvd Box 6009 Camarillo 93011 800 444 3353
15. n the switch to its off position after use CAUTION Impact Wrenches are not intended to tighten to a specific torque If a specific torque reading is needed use a torque wrench to tighten the nut to the proper setting after using the Impact Wrench 8 Clean external surfaces of the tool with clean dry cloth and apply a thin coat of tool oil Then store the tool indoors out of children s reach Page 11 2 lt Lu ou AONVNALNIVIN User Maintenance Instructions AWARNING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the throttle and or turn the switch to its off position before performing any inspection maintenance or cleaning procedures Procedures not specifically explained in this manual must be performed only by a qualified technician TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged equipment If abnormal noise vibration or leaking air occurs have the problem corrected before further use TO PREVENT SEROUS INJURY FROM EXPLOSION Lubricate the tool only with specified lubricants Lubricate the air inlet using only pneumatic tool oil Lubricate the internal mechanism using only white lithium grease Other lubricants may damage the mechanism and may be highly flammable causing an explosion Cleaning Maintenance and Lubrication Note These procedure
16. ng enough to reach the work area with enough extra length to allow free movement while working Item 69576 For technical questions please call 1 800 444 3353 3 Turn the tool s throttle or switch to the off position refer to Operation section for description of controls 4 Close the in line shutoff valve between the compressor and the tool 5 on the air compressor according to the manufacturer s directions and allow it to build up pressure until it cycles off 6 Adjust the air compressor s output regulator so that the air output is enough to properly power the tool but the output will not exceed the tool s maximum air pressure at any time Adjust the pressure gradually while checking the air output gauge to set the right pressure range 7 Inspect the air connections for leaks Repair any leaks found 8 Ifthe tool will not be used at this time turn off and detach the air supply safely discharge any residual air pressure and release the throttle and or turn the switch to its off position to prevent accidental operation Note Residual air pressure should not be present after the tool is disconnected from the air supply However it is a good safety measure to attempt to discharge the tool in a safe fashion after disconnecting to ensure that the tool is disconnected and not powered Page 7 SETUP 100 104 Bunsnipy H soaldyiom
17. or illustration purposes only and are not available individually as replacement parts CENTRAL 14 For technical questions please call 1 800 444 3353 Item 69576 Assembly Diagram AONVNALNIVIN For technical questions please call 1 800 444 3353 Page 15 Item 69576 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 explanatio
18. ping hazard that will present a hazard while working or exposing the air hose to possible damage The air hose must be long enough to reach the work area with enough extra length to allow free movement while working CENTRAL 10 For technical questions please call 1 800 444 3353 Item 69576 General Operating Instructions 1 If an automatic oiler is not used add a few drops of Pneumatic Tool Oil to the airline connection before use Add a few drops more after each hour of continual use Connect the air hose to the air inlet of the tool N Place the socket over the nut 5 Grip the Impact Wrench firmly with two hands and squeeze the Trigger 6 If the tool requires more force to accomplish the task verify that the tool receives sufficient unobstructed airflow CFM and increase the pressure PSI output of the regulator up to the maximum air pressure rating of this tool CAUTION TO PREVENT INJURY FROM TOOL OR ACCESSORY FAILURE Do not exceed the tool s maximum air pressure rating If the tool still does not have sufficient force at maximum pressure and sufficient airflow then a larger tool may be required CENTRAL Item 69576 Tighten the nut by hand as much as possible first For technical questions please call 1 800 444 3353 7 To prevent accidents turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the throttle and or tur
19. s are in addition to the regular checks and maintenance explained as part of the regular operation of the air operated tool 1 BEFORE EACH USE inspect the general 3 Weekly Grease Lubrication condition of the tool Check for Lubricate the internal mechanism of the tool using white lithium grease through the grease fitting at the back of the tool loose hardware or housing misalignment or binding of moving parts 4 Quarterly every 3 months Tool Disassembly Cleaning and Inspection any other condition that may Have the internal mechanism cleaned inspected affect its safe operation and lubricated by a qualified technician If the vanes need replacement replace them all as a set cracked or broken parts and 2 Daily Air Supply Maintenance Every day maintain the air supply according to the component manufacturers instructions Maintain the lubricator s oil level Drain the moisture filter regularly Performing routine air supply maintenance will allow the tool to operate more safely and will also reduce wear on the tool Page 12 For technical questions please call 1 800 444 3353 Item 69576 Troubleshooting Possible Causes Likely Solutions Decreased output 1 Not enough air pressure and Check for loose connections and make sure that or air flow air supply is providing enough air flow CFM at required pressure PSI to the tool s air inlet Do not exceed maximum air pressure Obstructed trigg
20. t Up AWARNING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the throttle and or turn the switch to its off position before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY Do not adjust or tamper with any control or component in a way not specifically explained within this manual Improper adjustment can result in tool failure or other serious hazards 1 Push the Control Valve to the left viewed from rear Note The scale on the right side is used for for clockwise forward tool operation clockwise force settings The scale on the left side is used for 2 Push the Control Valve to the right viewed from rear counterclockwise force settings for counterclockwise reverse tool operation Push snap the required 1 2 drive 3 Turn the Control Valve to adjust the force setting impact socket not included onto the Anvil Workpiece and Work Area Set Up 1 Designate a work area that is clean and well lit 3 Secure loose workpieces using a vise or clamps The work area must not allow access by children not included to prevent movement while working or pets to prevent distraction and injury 4 There must not be hazardous objects 2 Route the air hose along a safe route to reach such as utility lines or foreign objects nearby the work area without creating a trip
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