Harbor Freight Tools 11 Amp 35 lb. Lower Wall Breaker Hammer Product manual
Contents
1. 25249 5 et seq The warnings precautions 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 For technical questions please call 1 800 444 3353 Vibration Safety 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 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 related to vibration such as tingling numbness and white or blue fingers seek medical advice as soon as possible 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 p2. the Side Handle to desired position Retighten the Hex Bolt until the Side Handle is fastened securely into place General Operating Instructions Once the chisel is installed and the Side Handle set in the desired position set the tip of the bit against the work area Place one hand on the Side Handle and the other hand around the Main Handle 80A Press the Trigger Switch 79D to activate the Demolition Hammer WARNING Once activated do not press bear down or thrust forcibly against the work surface Hold the Demolition Hammer with just enough pressure so that the tool s own weight supplies the needed force NOTE If the Demolition Hammer has not been used for a long period of time or is being used in low temperatures keep the tool running for about five minutes to allow for warm up Make sure the Trigger Switch properly actuates when pressed and that the tool turns off when its released When work is complete release the Trigger Switch SKU 68150 For technical questions please call 1 800 444 3353 Page 9 7 To prevent accidents turn off the tool and disconnect its power supply after use Clean then store the tool indoors out of children s reach MAINTENANCE AND SERVICING Procedures not specifically explained in this manual must be performed only by a qualified technician A NOTE The Demolition Hammer will cease operation once Carbon Brushes are worn Check Brushes every 100 hours and wh
3. 800 444 3353 Page 11 Part Description Qty Seal Lock Screw M5x8 M6x20 6 Insulated Washer_ 2 _ ST4 8x65 8A 10 2 6201 M5x12 ST4 2x18 i Retaining Ring O22 34 Flat Washer 6 6 Page 12 PARTS LIST Spring Washer a 96 Ph M6x45 38B Hex Socket Bolt M8x1x35 39 Flat Washer 4 98 39A Spring Washer 4 98 Ball Bearing 6001 O Ring 58x 2 42 Piston L Ring 32x7 Gylinder Aluminum Head 47C Hex Socket 4 Bolt M8x40 Ring Mouth Cover Shank Sleeve O Ring O 23 5xO5 2 O ee Machine Screw M4x12 Spring Washer 4 2 48 49 50 51 52 53 54 55B 56A 57A 58 59 61 62 63A 1 1 1 1 1 1 1 1 1 1 Ee Es za EA ze Ee Ka 1 Ee 2 For technical questions please call 1 800 444 3353 Part Description Qty es Rubber Cap 2 Carbon Brush 2 Cover i Spring Cover 72D Hex Socket Bolt M8x30 Locking Lever Lever Spring Cover M8x10 94x18 79 80 Main Handle 8 4 Support 1 1 1 1 1 1 1 1 1 1 90 1 1 Hex Socket Bot 2 5mm Hex Bar Wrench 6mm Hex Bar Wrench Tank Cover Wrench 904 Oil Bottle 1 6 A A 85A C 1 93A 96A 78 D 1 82 83 84 88 9 92 95 97 901 902 903 78 79D 80A 81A 82 83 84 85A 38 39 90C 91 SideHandle 92 93A 95 96A 97 98 903 1 1 1 SKU 68150 ASSEMBLY DI
4. MACHINERY DEMOLITION HAMMER SET UP AND OPERATING INSTRUCTIONS 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 2010 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 Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For technical questions or replacement parts please call 1 800 444 3353 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 IMPORTANT SAFETY INFORMATION In this manual on the labeling and all other information provided with this product 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 DANGER indicates a 4 DANGE
5. all text under subheadings therein before set up or use of this product Read the ENTIRE IMPORTANT Tool Set Up TO PREVENT AWARNING SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn the Power Switch of the tool off and unplug the tool from its electrical outlet before adjusting tool or installing accessories Work Piece and Work Area Set Up 1 Designate a work area that is clean and well lit The work area must not allow access by children or pets to prevent distraction and injury 2 Route the power cord along a safe route to reach the work area without creating a tripping hazard or exposing the power cord to possible damage The power cord must reach the work area with enough extra length to allow free movement while working 3 Secure loose work pieces using a vise or clamps not included to prevent movement while working 4 There must not be objects such as utility lines nearby that will present a hazard while working Mounting Tool Bits and Locking Side Handle 1 WARNING Before installing new bit verify Demolition Hammer is unplugged Pull out and turn Locking Lever 73A either clockwise or counterclockwise Insert the shank portion of the chisel 1 into the Retainer 70A Slide Locking Lever back into Retainer Pull chisel to verify it is secure The Side Handle 91 can be loosened and readjusted to be either above or under housing To adjust its position loosen the Hex Bolt 93A and slide
6. match the outlet Never modify the plug in any way Do not use any adapter plugs with grounded power tools Unmodified plugs and matching outlets will reduce risk of electric shock b Do not expose power tools to rain or wet conditions Water SKU 68150 entering a power tool will increase the risk of electric shock c Do not abuse the cord Never use the cord for carrying pulling or unplugging the power tool Keep cord away from heat oil sharp edges or moving parts Damaged or entangled cords increase the risk of electric shock d When operating a power tool outdoors use an extension cord suitable for outdoor use Use of a cord suitable for outdoor use reduces the risk of electric shock e If operating a power tool in a damp location is unavoidable use a Ground Fault Circuit Interrupter GFCI protected supply Use of a GFCI reduces the risk of electric shock Personal safety a Stay alert watch what you are doing and use common sense when operating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury b Use personal protective equipment Always wear eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries O Prevent unintentional start
7. AGRAM F901 Th 594 j s q w 0 C gt 993 mo 6 i 78 84 a 96A SKU 68150 For technical questions please call 1 800 444 3353 Page 13 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 o
8. Freight Tools 8 Check that all mounting screws are tightened Retighten any loose screws 9 Store in temperatures no lower than 50 60 F 10 AWARNING If the supply cord of this power tool is damaged it must be replaced only by a qualified service technician Replacing Carbon Brushes NOTE The Demolition Hammer will cease operation once Carbon Brushes are worn Check Brushes every 100 120 hours and when necessary replace them 1 Use screwdriver to remove the Carbon Brush Cover 69 See Figure 1 on page 8 SKU 68150 2 Remove the Rubber Cap 68 7 WARNING Verify all bolts and and then the Brush Cap 67 connectors are fastened tight 3 Remove old Carbon Brush 66 a from Carbon Brush holder Cleaning 1 Clean the Demolition Hammer with warm water soap a soft cloth preferably after each use WARNING Do not use solvents 6 Replace Carbon Brush Cover when cleaning the Electric Hammer Doing so can damaged the tool 4 Insert new Carbon Brush into Carbon Brush holder 5 Replace Brush Cap and the Rubber Cap N Troubleshooting Possible Causes Likely Solutions Tool will not start 1 Cord not connected 1 Check that cord is plugged in 2 No power at outlet 2 Check power at outlet If outlet is unpowered turn off tool and check circuit breaker If breaker is tripped make sure circuit is right capacity for tool and circuit has no other loads 3 Tool s thermal reset breaker 3 Tur
9. R hazardous situation which if not avoided will result in death or serious injury AWARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury ACAUTION CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury Page 2 For technical questions please call 1 800 444 3353 NOTICE is used to NOTICE address practices not related to personal injury CAUTION CAUTION without the safety alert symbol is used to address practices not related to personal injury General Power Tool Safety Warnings WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference The term power tool in the warnings refers to your mains operated corded power tool or battery operated cordless power tool 1 Work area safety a Keep work area clean and well lit Cluttered or dark areas invite accidents b 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 the dust or fumes c Keep children and bystanders away while operating a power tool Distractions can cause you to lose control Electrical safety a Power tool plugs must
10. TS THERETO ORARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Page 14 For technical questions please call 1 800 444 3353 SKU 68150
11. ated amperes ref KAPIRE PEENES Symbology o Double Insulated Canadian Standards Association Underwriters Laboratories Inc V Volts Alternating Current No Load Revolutions per Minute RPM Ng Xxxx min SKU 68150 For technical questions please call 1 800 444 3353 Page 7 SPECIFICATIONS Electrical 499 v 60 Hz 11A Input Blows Per 4409 BPM Minute Chisels 1 Bull Point included 1 Flat Point 1 Oil Bottle 1 Carbon Brush Set 1 5mm Hex Key 1 6mm Hex Key 1 Oil Tank Wrench Other Accessories UNPACKING When unpacking make sure the item is intact and undamaged If any parts are missing or broken please call Harbor Freight Tools at 1 800 444 3353 as soon as possible INSTRUCTIONS FOR PUTTING INTO USE Read the ENTIRE IMPORTANT SAFETY INFORMATION section A 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 Functions Use Figure 1 below as reference during Tool Setup and Operation Trigger Switch Retainer 70A Flat Chisel Locking Lever 73A Carbon Brush Side Handle 91 Cover 69 Figure 1 Page 8 For technical questions please call 1 800 444 3353 SKU 68150 OPERATING INSTRUCTIONS SAFETY INFORMATION section at the beginning of this manual including
12. en necessary replace them TO PREVENT AWARNING serious INJURY FROM ACCIDENTAL OPERATION Release the Trigger Switch and unplug the tool from its electrical outlet before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged equipment lf abnormal noise or vibration occurs have the problem corrected before further use Maintenance and Lubrication 1 BEFORE EACH USE inspect the general condition of the tool Check for loose hardware misalignment or binding of moving parts cracked or broken parts damaged electrical wiring and any other condition that may affect its safe operation Page 10 For technical questions please call 1 800 444 3353 2 AFTER USE wipe external surfaces of the tool with clean cloth 3 Wipe tool with a lint free cloth after each use to remove all dust and grit from the tool NOTE The Demolition Hammer has an air tight construction allowing for three months of continuous usage before lubrication is needed 4 Check the Oil Gauge 61 located on the underside of the housing 5 If oil is low remove the Oil Plug 56A and use the Oil Bottle 904 to fill tool with 1 1 3 ounces of Rotella 40 Engine Oil 6 Replace the Oil Plug 7 Examine the tool before each use Make sure the Chisel is sharp and not dull or cracked Replace worn or broken Chisels with approved replacement Chisels from Harbor
13. eriods each day of work Let the tool do the work To reduce vibration maintain the tool as explained in this manual If any abnormal vibration occurs stop use immediately SAVE THESE INSTRUCTIONS Page 5 GROUNDING preceding illustration See Outlets for 2 Prong Plug TO PREVENT AWARNING ELECTRIC SHOCK AND DEATH FROM INCORRECT Extension Cords GROUNDING WIRE 1 Grounded tools require a three CONNECTION wire extension cord Double Check with a qualified electrician Insulated tools can use either a if you are in doubt as to whether two or three wire extension cord the outlet is properly grounded 2 Do not modify the power cord plug provided with the tool Never remove the grounding 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 prong from the plug Do not use serious drop in voltage resulting in loss the tool if the power cord or plug of power and possible tool damage is damaged If damaged have it See Table A repaired by a service facility before use If the plug will not fit 3 The smaller the gauge number of the outlet have a proper outlet the wire the greater the capacity of installed by a qualified the cord For example a 14 gauge electrician cord can carry a higher current than a 16 gauge cord See Table A Double Insulated Tools Tools i 4 When using more than one with Two Pro
14. ing Ensure the switch is in the off position before connecting to power source and or battery pack picking up or carrying the tool Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents SKU 68150 d h 4 a a For technical questions please call 1 800 444 3353 Do not overreach Keep proper footing and balance at all times This enables better control of the power tool in unexpected situations Dress properly Do not wear loose clothing or jewelry Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Only use safety equipment that has been approved by an appropriate standards agency Unapproved safety equipment may not provide adequate protection Eye protection must be ANSI approved and breathing protection must be NIOSH approved for the specific hazards in the work area Power tool use and care Do not force the power tool Use the correct power tool for your application The correct power tool will do the job better and safer at the rate for which it was designed Do not use the power tool if the switch does not turn it on and off Any power tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the plug from the power source and or the battery pack from the power tool before making any adjustments chang
15. ing accessories or storing power tools Such preventive safety measures reduce the risk of starting the power tool accidentally Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool Power tools are dangerous in the hands of untrained users Page 3 e Maintain power tools Check for 5 Unplug before inspecting misalignment or binding of moving removing or installing chisel parts breakage of parts and any or performing any service other condition that may affect the power tool s operation If damaged have the power tool repaired before use Many accidents are caused 6 Pull on chisel after installation and before use chisel may move but MUST NOT slide out by poorly maintained power tools 7 Do not operate this tool if you have f Keep cutting tools sharp and clean back neck or wrist injuries or other Properly maintained cutting tools with conditions that will be aggravated sharp cutting edges are less likely by the severe jerking forces that this to bind and are easier to control tool exerts upon the operator g Use the power tool accessories 8 Maintain labels and nameplates and tool bits etc in accordance on the tool These carry important with these instructions taking into safety information If unreadable account the working conditions or missing contact Harbor Freight and the work to be performed T
16. n off tool and allow to cool tripped if equipped Press reset button on tool 4 Internal damage or 4 Have technician service tool wear Carbon brushes or switch for example Tool operates slowly Extension cord too long or Eliminate use of extension cord If an extension wire size too small cord is needed use shorter heavier gauge cord See Extension Cords in GROUNDING section Performance 1 Accessory dull or damaged 1 Keep cutting accessories sharp decreases over time Replace as needed 2 Carbon brushes worn 2 Have qualified technician replace brushes or damaged or rattling brushes or bearings for example Overheating 1 Forcing tool to work too fast 1 Allow tool to work at its own rate Accessory misaligned 2 Check and correct accessory to fence and or table alignment Accessory dull or damaged 3 Keep cutting accessories sharp Replace as needed Blocked motor housing vents 4 Wear ANSI approved safety goggles and NIOSH approved dust mask respirator while blowing dust out of motor using compressed air Motor being strained by long or Eliminate use of extension cord If an small diameter extension cord extension cord is needed use one with the proper diameter for its length and load See Extension Cords in GROUNDING section Follow all safety precautions whenever diagnosing or servicing the tool Disconnect power supply before service SKU 68150 For technical questions please call 1
17. ng Plugs g extension cord to make up the total length make sure each cord contains at least the minimum wire size required See Table A 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 Table A on Outlets for 2 Prong Plug 6 If you are using an extension cord 1 Tools marked Double Insulated do outdoors make sure it is marked with not require grounding They have a the suffix W A W in Canada to special double insulation system which indicate it is acceptable for outdoor use satisfies OSHA requirements and complies with the applicable standards of Underwriters Laboratories Inc the Canadian Standard Association and the National Electrical Code 7 Make sure the 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 2 Double insulated tools may be used in either of the 120 volt outlets shown in the Page 6 For technical questions please call 1 800 444 3353 SKU 68150 8 Protect the extension cords from sharp objects excessive heat and damp or wet areas RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 240 VOLT AMPERES LENGTH at full load 25 50 75 100 150 Based on limiting the line volt TABLE A age drop to five volts at 150 of the r
18. ools for a replacement Use of the power tool for operations different from those intended could 9 Avoid unintentional starting Prepare to result in a hazardous situation begin work before turning on the tool 5 Service 10 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 a Have your power tool serviced by a qualified repair person using only identical replacement parts This will ensure that the safety of 11 When using a handheld power tool the power tool is maintained maintain a firm grip on the tool with both hands to resist starting torque Breaker Hammer Safety Warnings 12 Do not leave the tool unattended when 1 Wear ear protectors Exposure to it is plugged into an electrical outlet noise can cause hearing loss Turn off the tool and unplug it from i its electrical outlet before leaving 2 Use auxiliary handles supplied g with the tool Loss of control 13 This product is nota toy Keep can cause personal injury it out of reach of children 3 Hold power tools by insulated 14 People with pacemakers should gripping surfaces when performing consult their physician s before use an operation where the cutting tool Electromagnetic fields in close proximity may contact hidden wiring or its to heart pacemaker could cause own cord Contact with a live wire pacemaker interference or pacemaker will make exposed metal parts of the fail
19. r 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 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 444 3353 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 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 PAR
20. ure In addition people with tool live and shock the operator pacemakers should e Avoid operating alone e Properly maintain and inspect to avoid electrical shock Page 4 For technical questions please call 1 800 444 3353 SKU 68150 4 Keep clear of moving parts SKU 68150 e Any power cord must be properly grounded Ground Fault Circuit Interrupter GFCI should also be implemented it prevents sustained electrical shock 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 specially designed to filter out microscopic particles California Health amp Safety Code 25249 5 et seq WARNING Handling the cord on this product will expose you to lead a chemical known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling California Health amp Safety Code
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