Harbor Freight Tools 97719 User's Manual
Contents
1. an air sampling to determine the need for corrective measures Use mechanical ventilation to improve air quality If engineering controls are not feasible use an approved respirator Follow OSHA guidelines for Permissible Exposure Limits PEL s for various fumes and gases Follow the American Conference of Governmental Industrial Hygienists Page 7 recommendations for Threshold Limit Values TLV s for fumes and gases 32 Have recognized specialist in Industrial Hygiene or Environmental Services check the operation and air quality and make recommendations for the specific welding or cutting situation 33 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 SKU 97719 For technical questions please call 1 800 444 3353 INHALATION HAZARD Welding and Plasma Cutting Produce TOXIC FUMES Exposure to welding or cutting exhaust fumes can increase the risk of developing certain cancers such as cancer of the larynx and lung cancer Also some diseases that may be linked to exposure to welding or plasma cutting exhaust fumes are Early onset of Parkinson s Disease Heart disease Ulcers e Damage to the reproductive organs e Inflammation of the2. when using this product Do not Cord Plug in any way Do not use wear pants with cuffs shirts with adapter plugs with this product open pockets or any clothing that can catch and hold molten metal or 19 Do not use near degreasing or sparks painting operations REV 09d SKU 97719 For technical questions please call 1 800 444 3353 Page 6 20 21 22 29 24 SKU 97719 Enclose the work area with portable fire resistant screens Protect combustible walls ceilings floors etc from sparks and heat with fire resistant covers If working on a metal wall ceiling etc prevent ignition of combustibles on the other side by moving the combustibles to a safe location If relocation of combustibles is not possible designate someone to serve as a fire watch equipped with a fire extinguisher during the cutting process and for at least one half hour after the cutting is completed Do not weld or cut on materials having a combustible coating or combustible internal structure as in walls or ceilings without an approved method for eliminating the hazard Do not dispose of hot slag in containers holding combustible materials Keep a fire extinguisher nearby and know how to use it After spot welding make a thorough examination for evidence of fire Be aware that easily visible smoke or flame may not be present for some time after the fire has started Do not weld or cut in atmospheres containing dangerously reacti
3. 25 to its OFF position and wait about 10 minutes Then restart the Welder See Figure B When the weld is complete lift the electrode clearly away from any grounded object Set the Welding Shield down and turn the power Switch Knob 25 to its OFF position See Figure B Unplug the Power Cord 32 from the electrical outlet See Assy Diagram Remove the Grounding Cable with Clamp 34 from the object it is clamped onto Then remove the electrode from the Electrode Holder 33 See Assy Diagram Clean and store the Arc Welder indoors out of reach of children and other unauthorized people IMPORTANT Please read the in cluded Weld Diagnosis Pamphlet for tips and suggestions concerning welding and proper usage g prop g REV 09d Page 12 MAINTENANCE AND SERVICING Procedures not specifically explained in this manual must be performed only by a qualified technician TO PREVENT SERIOUS INJURY FROM ACCIDENTAL AWARNING OPERATION Turn the Power Switch of the tool to its OFF position and unplug the tool from its electrical outlet before performing any inspection maintenance cleaning or storage procedures 1 BEFORE EACH USE inspect the general condition of the Arc Welder Check for cracked or missing insulators damaged electrical wiring and any other condition that may affect its safe operation If abnormal noise or vibration occurs have the problem corrected before further use Do n
4. of defects in materials and workmanship This Limited 90 Day 1 Year Warranty shall not apply to consumable parts such as tips welding wire and gas nozzles Harbor Freight Tools also warrants to the original purchaser for a period of one year from date of purchase that the transformer and rectifier are free from defects in materials and workmanship 90 days if used by a professional contractor or if used as rental equipment This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities 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 price if we cannot readily and
5. AND WORK AREA SET UP eese 10 GENERAL OPERATING INSTRUCTIONS eene 11 MAINTENANCE AND SERVICING essen nnne nnne nnn nnn 13 TROUBLESHOOTINO isc 14 PLEASE READ THE FOLLOWING CAREFULLY eene 14 PARTS Linn 15 ASSEMBLY DIAGRAM satinado id 16 LIMITED 1 YEAR 90 DAY 17 SKU 97719 For technical questions please call 1 800 444 3353 Page 2 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 WoW C DANGER indicates a hazardous situation which if not avoided will result in death or serious injury AWARNING Warnie indicates a hazardous situation which if not avoided could result in death or serious injury SKU 97719 For technical questions ple
6. CHICAGO ELECTRIC 25 41115 ARC WELDER 135AC 105DC AMP MET 3 097719 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 2008 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 ex press 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 Revised Manual 09c 09 CONTENTS IMPORTANT SAFETY INFORMATION 3 GENERAL SAFETY RULES sicario 3 SPECIFIC SAFETY RULES uiiiiniionaiianamaia ER Deni du Ce Ear D MERE 5 SPECIFICATIONS agde ard elatio it 9 Blige cg M 9 INITIAL SET UP INSTRUCTIONS AS 9 P illl B fum 9 OPERATING INSTRUCTIONS inciso EHE D KU XR ERN I Ek M DO EROR UI ER UO EIDEM FER RR 10 WORK PIECE
7. LY 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 SKU 97719 For technical questions please call 1 800 444 3353 Page 14 PARTS LIST e Screw maxi 3 29 fes Ce me 3 s 2 3 soewe gt SKU 97719 For technical questions please call 1 800 444 3353 Page 15 ASSEMBLY DIAGRAM Page 16 For technical questions please call 1 800 444 3353 SKU 97719 LIMITED 1 YEAR 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 for a period of ninety days from date of purchase that the torch liner wire feed mechanism if applicable welding clamps electrode holders cables and accessories packed with the welder are free
8. NING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn the Power Switch of the Arc Welder to its OFF position and unplug the tool from its electrical outlet before assembling or making any adjustments Note For additional information regarding 1 the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Assembly To assemble the Welding Shield place the Shield on a flat surface Press the Handle into place Then insert the Filter Lens See Figure A 2 For technical questions please call 1 800 444 3353 FIGURE A This Welder requires the attachment and use of a UL listed 240 volt grounded 3 prong electrical Power Cord Plug not included Only a qualified electrician should install the REV 09d 091 Page 9 Power Cord Plug Never remove the grounding prong or modify the Power Cord Plug in any way Do not use adapter plugs with this product 3 assemble the two Wheels 9 insert the Axle 8 through the two allow access by children or pets to prevent injury and distraction Route the Power Cord 32 along a safe route to reach the work area without creating a tripping hazard or exposing the power cord to possible holes located at the bottom rear of the Base Frame 3 Place the Wheels the work area with enough extra onto the protruding ends of the Axle length to allow free movement while Then secrure the Wheels in place w
9. ase call 1 800 444 3353 CAUTION used ACAUTION with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE is used to 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 Safety Rules WARNING Read all instructions Failure to follow all instructions listed below may result in electric shock fire and or serious injury The term power tool in all of the warnings listed below refers to your line operated corded Arc Welder SAVE THESE INSTRUCTIONS 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 Page 3 2 a a SKU 97719 Electrical safety 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 Do not touch exposed electrical parts Do not expose power tools to rain or wet conditions Water entering a power tool will increase the ris
10. e Power Switch Knob 25 is off then plug the Arc Welder s Power Cord 32 into a dedicated 240 VAC with delayed action type circuit breaker or fuses See Figure B While grasping the handle of the Electrode Holder 33 with the electrode clear of grounded objects turn the Power Switch Knob 25 to its ON position See Figure B Hold the Welding Shield in front of your eyes WARNING Never look at the ignited arc without ANSI approved arc shaded eye protection as in a full face shield Permanent eye damage or blindness can occur Skin burns can occur Wear a NIOSH approved respirator to avoid breathing arc fumes Stroke the area to be welded with the electrode to ignite the arc Never tap the electrode into the welding surface to ignite the arc This damages its 12 13 For technical questions please call 1 800 444 3353 external coating on the electrode which prevents oxygen in the air from coming into contact with the molten metal causing it to oxidize Once the arc is ignited tilt the electrode forward at an angle of approximately 30 and hold it at a distance from the welding object equal to the diameter of the electrode NOTE If too much current is drawn from the Arc Welder the Thermal Overload Protector will activate The Yellow Lamp 24 on the Control Panel will illuminate and the Welder will automatically shut off until it cools down If this happens turn the Power Switch Knob
11. g arc to prevent welding sparks or molten metal from starting a fire Keep a type ABC fire extinguisher within easy reach Thoroughly clean the object being welded of any paint grease or other foreign material Avoid unintentional starting Prepare to begin work before turning on the tool Do not leave the tool unattended when it is plugged into an electrical outlet Turn off the tool and unplug it from its electrical outlet before leaving Use clamps not included or other practical ways to secure and support the work piece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control This product is not a toy Keep it out of reach of children Industrial applications must follow OSHA guidelines Page 5 12 People with pacemakers should Keep clothing free of grease consult their physician s before oil solvents or any flammable use Electromagnetic fields in close substances Wear dry insulating proximity to heart pacemaker could gloves and protective clothing cause pacemaker interference or e Wear an approved head covering pacemaker failure In addition to protect the head and neck Use people with pacemakers should aprons cape sleeves shoulder Avoid operating alone covers and bibs designed and Do not use with power switch locked approved for welding and cutting e procedures E lt When welding cuting overhead Any power cord must be pr
12. k of electric shock Do not abuse the cord Never use the cord for 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 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 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 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 Use safety equipment Always wear ANSI approved safety glasses and arc shaded impact safety full face shield Safety equipment such as NIOSH approved respirator heavy duty work gloves non skid safety shoes or hearing protection used for appropriate conditions will reduce personal injuries a For technical questions please call 1 800 444 3353 Avoid accidental starting Ensure the switch is in the off position before plugging in Remove any adjusting key or wrench before turning the power tool on A wrench or a key 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 This enables better control of the power tool in une
13. ll lit The work area must not SKU 97719 For technical questions please call 1 800 444 3353 Page 10 POWER ON GREEN LAMP SKU 97719 General Operating Instructions DANGER Protective gear must be worn when using the Arc Welder ANSI approved arc shaded eye protection a full face shield heavy duty work gloves a welding apron NIOSH approved respirator and heavy duty work clothes without pockets should be worn when using this product Do not look at the ignited arc without eye protection Light from the arc can cause permanent damage to the eyes Light from the arc can burn the skin Do not breathe arc fumes The duty cycle defines the number of minutes within a 10 minute period during which a given Welder can safely produce a particular welding current For example Ata 10 duty cycle at 130 Amps AC actual welding can occur for one minute and then the welder must cool for nine minutes THERMAL OVERLOAD YELLOW LAMP 24 POWER SWITCH KNOB on 25 AMPERAGE CONTROL KNOB 26 At a 15 duty cycle at 100 Amps DC welding can occur for 1 5 minutes and then the welder must cool for 8 5 minutes Failure to carefully observe duty cy cle limitations can stress a Welder s power generation system contribut ing to premature Welder failure This Welder is equipped with an inter nal thermal protection system to help prevent damage to the unit Whe
14. n the Arc Welder overheats the Yellow Lamp 24 is illuminated on the con trol panel and the unit automatically shuts down Then the unit returns to service when it cools down and the Yellow Lamp turns off automatically See Figure B Once the unit returns to service follow a more conservative duty cycle routine to help prevent excess wear to the Welder Determine whether AC or DC welding is to be used Connect the Grounding Cable with Clamp 34 and Welding Cable with Electrode Holder 33 for either AC or DC operation See Figure B FIGURE B DC CABLE CONNECTION KNOB 22 CONNECT WELDING CABLE 33 HERE DC CABLE CONNECTION KNOB CONNECT GROUND CABLE 34 HERE AC CABLE CONNECTION KNOB CONNECT WELDING CABLE 33 HERE AC CABLE CONNECTION KNOB CONNECT GROUND CABLE 34 HERE For technical questions please call 1 800 444 3353 Page 11 SKU 97719 Attach the Grounding Cable with Clamp 34 as close as possible to the intended welding location See Assy Diagram Place the bare end of the electrode not included in the Electrode Holder 33 NOTE Always keep the jaws of the Electrode Holder clean to ensure proper electrical contact with the electrode See Assy Diagram Set the desired current Up to 135 Amps AC Up to 105 Amps DC for the type of metal being welded with the Amperage Control Knob 26 Thin metals use lower current and heavy metals use higher current See Figure B Make sure th
15. operly or in confined spaces wear flame grounded Ground Fault Circuit resistant ear plugs or ear muffs to interrupter GFCI should also be keep sparks out of ears implemented it prevents sustained 45 Prevent accidental fires electrical shock Remove any combustible 13 WARNING This product when used material from the work for welding plasma cutting soldering arca or similar applications produces 16 When possible move the work to a chemicals known to the State of location well away from combustible California to cause cancer and birth materials If relocation is not pos defects or other reproductive harm sible protect the combustibles with a California Health amp Safety Code cover made of fire resistant material 25249 5 et seq 17 Remove or make safe all combustible 14 Prevent eye materials for a radius of 35 feet 10 injury and meters around the work area Use burns Wearing a fire resistant material to cover or and using block all open doorways windows ANSI approved cracks and other openings personal safety clothing and safety devices reduce the risk for injury 18 Ground this product This Welder Wear ANSLapproved safey impact URLS He apar and une eye goggles underneath welding e i i eye protection featuring at least a a dales Plug iaa hell electrician should install the Power Leather leggings fire resistant Cord Plug Never remove the shoes or boots should be worn grounding prong or modify the Power
16. orking using one Bolt 10 for each end of the Axle See Assy Diagram damage The power cord must reach Secure loose workpieces using a vise or clamps not included to prevent movement while working The work pieces should be firmly held together and in position while welding The distance if any between the two workpieces must be controlled properly to allow the weld to hold both sides securely while allowing the weld to penetrate fully into the joint ADEDATIAIP 4 There must not be hazardous objects OPERATING INSTRUCTIONS such as utility lines or foreign objects Read the ENTIRE IMPORTANT 4 Toattach the Handle 30 align the two holes in the Handle with the two threaded mounting holes located at the top of the Case 28 Secure the Handle to the Case using two Screws 31 See Assy Diagram nearby that will present a hazard SAFETY INFORMATION section while working at the beginning of this manual 5 including all text under subheadings therein before set up or use of this product TO PREVENT AWARNING INJURY FROM ACCIDENTAL OPERATION Turn the switch to its off position before performing any inspection maintenance or cleaning procedures A barrier such as a welding curtain or welding shroud should be put up to protect others in the work area and limit the spray of sparks Workpiece and Work Area Set Up 1 Designate a work area that is clean and we
17. ot use damaged equipment 2 AFTER USE clean external surfaces of the Arc Welder with a clean cloth Use compressed air to blow all dust and debris from the ventilation openings 3 AFTER USE store the Arc Welder in a clean dry safe location out of reach of children and other unauthorized people Note When not in use always keep the grounding cable and its Clamp 34 disconnected from any metal object SKU 97719 For technical questions please call 1 800 444 3353 Page 13 TROUBLESHOOTING Possible Causes Possible Solutions Welder does not hum 1 No power at electrical outlet 1 Check circuit fuse or circuit breaker when turned on 2 Broken or damaged Power Cord 2 Have Power Cord repaired or replaced by a qualified electrician Welder hums but does 1 Inadequate current at electrode and or poor 1 Check Ground Clamp Cable and not weld connections at Welder connection to workpiece 2 Check Welding Cable and Electrode Holder 3 Check all Welder external connections Arc difficult to strike 1 Electrode diameter too large 1 Use smaller diameter electrode 2 Workpiece not properly grounded 2 Verify proper grounding no paint varnish or corrosion 3 Heavy loads making power line voltage low 3 Run Arc Welder on dedicated 230 volt circuit Welder gives trickle shots 1 Accidental contact with workpiece 1 Avoid contact with workpiece 2 Current leakage caused by moist clothing or 2 Make s
18. 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 SKU 97719 For technical questions please call 1 800 444 3353 Page 17
19. small intestine or stomach Kidney damage Respiratory diseases such as emphysema bronchitis or pneumonia Use natural or forced air ventilation and wear a respirator approved by NIOSH to protect against the fumes produced to reduce the risk of developing the above illnesses SAVE THESE INSTRUCTIONS Page 8 SPECIFICATIONS 240 V 160 Hz Single Phase Power Plug Type 240 Volt 3 Prong Grounded Not Included AC 55 135A Output Current DC 30 105A Max Input Current Electrical Requirements 40 Amps Operating Power On Light Green Indicators Thermal Overload Light Orange Welding Capacity Thickness 1096 130 Amps AC Buty Cyele 15 100 Amps DC 25 2V AC operation Load Voltage 24 y DC operation Open Circuit 68V AC operation Voltage 60V DC operation Welding Shield Qty 1 Hammer Brush Qty 1 AERSSAQUeS Electrode Holder Qty 1 Ground Clamp Qty 1 UNPACKING When unpacking check to make sure that the item is intact and undamaged f 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 Up to 1 4 using 1 16 3 32 or 1 8 diameter electrodes INITIAL SET UP 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 A SKU 97719 AWAR
20. ure clothing and work area are dry work area Welder overheats blows 1 Use of extension cord 1 Relocate Arc Welder to avoid use of fuses trips circuit breaker extension cord If relocation of Welder is not possible use thicker lower gauge number extension cord 2 Electrode diameter too large 2 Use smaller diameter electrode 3 Overloaded circuit 3 RunArc Welder on dedicated 230 volt circuit Bead is intermittently too 1 Inconsistent travel speed 1 Decrease and maintain travel speed thin or too thick 2 Output Amp setting too low 2 Increase output Amp setting or change to smaller diameter electrode Electrode sticks to work 1 Arc length too short 1 Lift electrode to correct arc length as soon piece as arc is struck 2 Output Amp setting too low 2 Increase output Amp setting or change to smaller diameter electrode Electrodes sputter and 1 Damp electrodes 1 Use dry electrodes and store in a dry Stick location Weld bead does not pen 1 Travel speed too fast 1 Decrease travel speed etrate base metal 2 Arc length too short 2 Increase arc length 3 Output Amp setting too high 3 Reduce output Amp setting Ragged depressions at 1 Slow and or inconsistent travel speed 1 Increase and maintain travel speed edge of weld 2 Output Amp setting too high 2 Reduce output Amp setting PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMB
21. us situation Service a Have your power tool serviced by a qualified repair person using only 6 identical replacement parts This will ensure that the safety of the power tool is maintained Specific Safety Rules Maintain labels and nameplates on 7 the tool These carry important safety information If unreadable or missing contact Harbor Freight Tools for a replacement 8 NEVER connect one Cable 33 34 to a DC Cable Connection Knob 22 and the other Cable to an AC Cable Connection Knob ALWAYS unplug the Power Cord 32 from its electrical outlet before connecting Cables 33 34 Avoid electrical shock Do not permit electrically live parts cables or electrodes to contact skin clothing 10 or gloves Wear ANSI approved protective clothing This unit draws enough current to cause serious 11 For technical questions please call 1 800 444 3353 injury or death Before turning the welder on check the electrode holder to be sure that there are no protruding screw heads and that all insulation is secure Do not weld unless you are insulated from ground and the work piece Avoid eye and body damage Arc rays and infrared radiation can injure eyes and burn skin Wear ANSI approved eye and body protection Do not allow viewing by visitors without proper eye and body protection Use a Face Shield with arc shaded filter plate Move flammable and explosive material at least 35 feet from the weldin
22. ve or flammable gases vapors liquids and dust Provide adequate ventilation in work areas to prevent accumulation of flammable gases vapors and dust Do not apply heat to a container that has held an unknown substance or a combustible material whose contents when heated can produce flammable or explosive vapors Clean and purge containers before applying heat Vent closed 31 20 26 For technical questions please call 1 800 444 3353 containers including castings before preheating welding or cutting Do not touch live electrical parts Wear dry insulating gloves Do not touch electrode or conductor tong with bare hand Do not wear wet or damaged gloves Protect yourself from electric shock Do not use outdoors Insulate yourself from the work piece and ground Use nonflammable dry insulating material if possible or use dry rubber mats dry wood or plywood or other dry insulating material large enough to cover your full area of contact with the work or ground Ensure that the unit is placed on a stable location before use If this unit falls while plugged in severe injury electric shock or fire may result Avoid overexposure to fumes and gases Always keep your head out of the fumes Do not breathe the fumes Use enough ventilation or exhaust or both to keep fumes and gases from your breathing zone and general area Where ventilation is questionable have a qualified technician take
23. xpected situations 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 before making any adjustments changing 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 Maintain power tools Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the power tool s operation If damaged Page 4 SKU 97719 have the power tool repaired before use Many accidents are caused by poorly maintained power tools f Use the power tool accessories and tool bits etc in accordance with these instructions and in the manner intended for the particular type of power tool taking into account the 5 working conditions and the work to be performed Use of the power tool for operations different from those intended could result in a hazardo
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