Harbor Freight Tools Medium Barrel Air Impact Hammer Product manual
Contents
1. 15 Setup AET EA A A as 7 Warranty 16 OperatiOh u u u a sua ii 10 o gt m m lt 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 AWARN NG 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 in explosive atmosph2. Mechanism contaminated Cross threaded housing components Loose housing Damaged valve or housing Dirty worn or damaged valve Incorrect lubrication or not enough lubrication Worn parts Disconnect air supply before service air supply is providing enough air flow CFM at required pressure PSI to the tool s air inlet Do not exceed maximum air pressure Clean around trigger to ensure free movement Lubricate using air tool oil according to directions Clean air inlet screen of buildup 5 Make sure housing is properly assembled and tight Have qualified technician clean and lubricate mechanism Install in line filter in air supply as stated in Setup Air Supply Check for incorrect alignment and uneven gaps If cross threaded disassemble and replace damaged parts before use Tighten housing assembly If housing cannot tighten properly internal parts may be misaligned Technician needs to disassemble tool align parts and reassemble Replace damaged components 4 Clean or replace valve assembly Lubricate using air tool oil according to directions Have qualified technician inspect internal mechanism and replace parts as needed Follow all safety precautions whenever diagnosing or servicing the tool Accessory List Item Part Description 68276 3 Piece Long Air Chisel Set 68277 4 Piece Short Air Chisel Set tem or part number may
3. Cleaning Maintenance and Lubrication Note These procedures 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 2 Daily Air Supply Maintenance condition of the tool Check for Every day maintain the air supply according to the component manufacturers instructions Maintain the lubricator s oil level misalignment or binding of moving parts Drain the moisture filter regularly dull chipped or cracked chisels Performing routine air supply maintenance will allow the tool to operate more safely and will also reduce wear on the tool loose hardware or housing cracked or broken parts and any other condition that may affect its safe operation 3 Quarterly every 3 months Tool Disassembly Cleaning and Inspection Have the internal mechanism cleaned inspected and lubricated by a qualified technician Page 12 For technical questions please call 1 800 444 3353 Item 61244 Troubleshooting Possible Causes Likely Solutions Decreased output 1 Not enough air pressure and Check for loose connections and make sure that Severe air leakage Slight air leakage is normal especially on older tools Housing heats during use or air flow Obstructed trigger Incorrect lubrication or not enough lubrication Blocked air inlet screen if equipped Air leaking from loose housing
4. Do not force the Air Hammer against the work surface Easy light pressure works best 6 CENTRAL Item 61244 For technical questions please call 1 800 444 3353 at maximum pressure and sufficient airflow then a larger tool may be required To prevent accidents turn off the tool detach the air supply safely discharge any residual air pressure in the tool and release the trigger after use 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 lt 2 E lt nc m ou O Page 11 lt m Z gt O m User Maintenance Instructions Procedures not specifically explained in this manual must be performed only by a qualified technician 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 trigger before performing any inspection maintenance or cleaning procedures 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 Other lubricants may damage the mechanism and may be highly flammable causing an explosion
5. not be available for some accessories LLI o Z lt lt Lu lt Item 61244 For technical questions please call 1 800 444 3353 Page 13 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 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 for illustration purposes only and are not available individually as replacement parts CENTRAL lt 2 m Z gt O m Page 14 For technical questions please call 1 800 444 3353 Item 61244 Parts List and Assembly Diagram Part Description Qty Description 0 6 Spring 1 8 Trigger 1 17 9 Pn Et CENTRAL LL
6. I o Z lt lt Lu lt Item 61244 For technical questions please call 1 800 444 3353 Page 15 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 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
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 medium barrel air hammer with chisel Visit our website at http www harborfreight com ITEM 61244 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 2013 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 Because SAVE THIS MANUAL of continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included Table of Contents Salfely scere ier een ats 2 Maihtenarnce nte pt 5 12 Specifications rrt p deeds 6 Parts List and Assembly Diagram
8. age 8 JOO 1e o pre Bulun u 404 jeuondo eA eA Bunsnfpy aiv O aoaldyiom BuiBeuuep wo JOdeA J9Je SlU A 1Id jeuondo 1e ug 1Sue oO JIV N afl Jej dnoo seseeJou euondo soH jJepee WI Ssespupueuopoeuuooxombsepmoid ndpuejsdnoo 1 uoneougn JOO We J04 jieuondo Joyeougnq yx poroemssedaesmnpy jJNen65 s f gdaldyJOm JO 00 BuiBeuuep Woy uopesuepuoo pue HIP que eld o o Jewd poa oue spouuoo BSHIV H esn Jo julod oj ure s6uug pepueuJuloo9J WNWIUIW Z eur 11y uouedg 9 uew suoyemsouwepo NAIC j s ul YOURIG o Jie sejnquisiq pepueuiuiooeJ wnuwiulw p e eur uivureWw 3 uononpaJ uoneJqiA 404 9SOH uonelos q eoueuejueuuJojUejs s josuonpes sejeos X 1 eNeAl8 ecedurissejuco ge semoog sogoyuy a uononpoiJ uoreJqiA pue esiou 104 spequoneJgA v Dis ance a r 34 9 p e5uqn1 M zZ n E cj dols E bo dnyes Ajddng sry Aseuoneys g oinbi4 For technical questions please call 1 800 444 3353 Page 9 Item 61244 o v m o Operating Instructions Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the
9. 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 Set 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 trigger 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 Chisel Removal 1 Twist the Spring off the Cylinder using the back hook 2 Remove the Chisel shank from the Spring and the Cylinder Figure C Chisel Removal To twist the Spring off twist from the hook at the back Chisel Installation 1 Insert the Chisel shank through the Spring and into the front of the Cylinder 2 Twist the Spring onto the threaded front of the Cylinder using the front hook Note The collar on the chisel must go under the spring to keep it from falling out Figure D Chisel Installation To twist the Spring on twist from the hook at the front Page 10 For technical questions please call 1 800 444 3353 Item 61244 Workpiece and Work Area Set Up 1 Designate a work area that is
10. ce as shown on Figure A on page 8 4 Close the in line shutoff valve between and Figure B on page 9 An in line shutoff the compressor and the tool 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 e Turn 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 2 Attach an air hose to the compressor s air outlet air output gauge to set the right pressure range 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 8 If the tool will not be used at this time turn off and detach the air supply safely discharge AWARNING TO PREVENT SERIOUS INJURY any residual air pressure and release the FROM ACCIDENTAL OPER TION trigger to prevent accidental operation Do not install a female quick coupler on the tool 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
11. clean and well lit 3 The work area must not allow access by children or pets to prevent distraction and injury 2 Route the air hose along a safe route to reach the work area without creating a tripping hazard 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 General Operating Instructions 1 If an automatic oiler is not used add a few 5 drops of Pneumatic Tool Oil to the airline connection before use Add a few drops more after each hour of continual use 2 With the proper chisel attached to the Air Hammer attach the air supply to the Air Inlet at the base on the Housing Secure loose workpieces using a vise or clamps not included to prevent movement while working There must not be hazardous objects such as utility lines or foreign objects nearby that will present a hazard while working 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 3 Turn on the air supply maximum air pressure rating If the tool still does not have sufficient force 4 Press the chisel against the work surface and squeeze the Trigger to start the tool
12. elated to vibration such as tingling numbness and white or blue fingers Seek medical advice as soon as possible Item 61244 WARNING The brass components of this product contain lead a chemical known to the State of California to cause birth defects or other reproductive harm California Health amp Safety code S 25249 5 et seq 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 gt e m LL lt o Attach all accessories properly to the tool before connecting the air supply A loose accessory may detach or break during operation Obey the manual for the air compressor used to power this tool Install an in line shutoff valve to allow immediate control over the air supply in an emergenoy even if a hose is ruptured Use this tool with both hands only Using tools with only one hand can result in loss of control 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 Do not smoke during use Nicotine reduces the blood supply to the hands and fingers increasing the risk of vibration related injury Wear suitable gloves to reduce the vibration effects on the user Use tools with the lowest vibration when there is a choice Include vibration free periods each day of work Gri
13. eres 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 61244 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 2 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 3 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 4 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 Tool Use and Care 1 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 contro
14. l 2 Do not force the tool Use the correct tool for the application The correct tool will do the job better and safer at the rate for which the tool is designed 3 Do notuse 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 4 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 trigger before leaving the work area Service 1 Tool service must be performed only by qualified repair personnel 2 When servicing a tool use only identical replacement parts Use only authorized parts Item 61244 10 For technical questions please call 1 800 444 3353 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 gt e m LL lt o Risk of Electric Shock This tool is not provided with an insulated gripping surface Contact with a live wire will also make exposed metal parts of the tool live and shock the operator Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of e
15. lectric shock if your body is grounded Explore the workpiece to avoid contact with hidden wiring Thoroughly investigate the workpiece for possible hidden wiring before performing work Contact with live wiring will shock the operator 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 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 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 pers
16. ons 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 o gt Tl m x Symbols and Specific Safety Instructions Symbol Definitions Symbol Property or statement Property or statement ite 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 ao ncermingiRiskol Eve 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 GUDI Peet PER MINUI NON Risk of Respiratory Injury Wear Cubic Feet per Minute flow NIOSH approved dust mask respirator S at standard conditions WARNING marking concerning Risk of Explosion Page 4 For technical questions please call 1 800 444 3353 Item 61244 Specific Safety Instructions 1 The warnings and precautions discussed in this manual cannot cover all possible conditions and situations that may occur lt must be understood by the operator that common sense and caution are factors which cannot be built into this product but mus
17. p tool as lightly as possible while still keeping safe control of it Let the tool do the work To reduce vibration maintain tool as explained in this manual If abnormal vibration occurs stop immediately A SAVE THESE INSTRUCTIONS For technical questions please call 1 800 444 3353 Page 5 Functional Description Specifications 90 PSI Air Inlet 1 4 18 NPT Maximum Speed 3 000 BPM Average Air Consumption 4 CFM 90 PSI Shank Capacity 0 401 Components and Controls Chisel Air Inlet CENTRAL Page 6 For technical questions please call 1 800 444 3353 Item 61244 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 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 Remove 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 3 Release the tool s trigger oiler in line shutoff valve and quick coupler for best servi
18. 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 PO Box 6009 Camarillo CA 93011 800 444 3353
19. t be supplied by the operator 2 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 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 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 S 25249 5 et seq Vibration Precautions This tool vibrates during use Repeated or long term exposure to vibration may cause temporary or permanent physical injury particularly to the hands arms and shoulders To reduce the risk of vibration related injury 1 Anyone using vibrating tools regularly or for an extended period should first be examined by a doctor and then have regular medical check ups to ensure medical problems are not being caused or worsened from use Pregnant women or people who have impaired blood circulation to the hand past hand injuries nervous system disorders diabetes or Raynaud s Disease should not use this tool If you feel any symptoms r
20. use 7 nspect the air connections for leaks Repair any leaks found Such a coupler contains an air valve that will Note Residual air pressure should not be present allow the air tool to retain pressure and operate after the tool is disconnected from the air supply accidentally after the air supply is disconnected However it is a good safety measure to attempt to discharge the tool in a safe fashion after disconnecting Note Air flow and therefore tool performance to ensure that the tool is disconnected and not powered can be hindered by undersized air supply components The air hose must be long enough to reach the work area with enough extra length to allow free movement while working Item 61244 For technical questions please call 1 800 444 3353 Page 7 JOO 1e mojpie Bulun eui 104 jeuondo eA eA Bunsnfpy sv H eoeid xJoM Bulbewep Wold JodeA J9Je SlU A 1d jeuondo 1e uq Jeues o JIV 5 Ji Iej dnoo seseeJou leuondo soH 1epee EI uoneougn JOO 11e 1Od jeuondo 10jeouqn al joo 0 eanssasd ne sisnipy opm 2 Id3OA JO 00 8ufbeuep Woy uonesu puoo pue PIP que eJd 2 alg Joop o ate sjoouuog U U I I I I 980H IIV v uondii5s dq sjooL p eS1iiqni uoN ij sjooL poje uqn dnyes Ajddng ary ejqeyiog v nB d SETUP Item 61244 For technical questions please call 1 800 444 3353 P
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