PowerTIG 255EXT
Contents
1. a SECTION 3 BASIC THEORY AND FUNCTION EXAMPLE AC EP 9 BALANCE EET 54505 EEE n pase EY NOTE EJ SECTION 3 BASIC THEORY AND FUNCTION 6 standard Pe AC and DC The pus crestes two amperage cate the waling amp omnes aed peak current and he lower amperage cales pulse ampa bometimesealed background or base Tha crestes situation where penetration ageer EN Lon M ista parameter concerning the pue E a Wilding Amps 100 amps Pusehmps Soe ia DCPube Frequency Me IRE restano percento sang aos Phan Tre dii nat io e pti i as WA samples at a set rate that is independent of pulse 1 Haine ds 2 ee SA ma aaa iore rage Di pu een ane 3 On Balance Pus Balance is the per centage PA of time that the pal stay the welding Sating up the is not a process with a odad 2 SECTIONS BASIC THEORY AND FUNCTION 50 75 Pulse Amp sting Is typically used to help In Pulse Time On and a narrow nie rato can be tied to prevent burn trough and speed up welding on thin mater nako help maintain a proper bea on thine weld or present bum trough n re more coarse but usual apealng resu There are though that the purpose of the pulse to aver 7 Advanced Putse AC ony The advanced Pulse isa not tca found on most puls2. 4 9 Paka ci padua na e ais ia A is es EE ci 2 SETUI FRONT PANEL FEATURES AND CONTROLS POWERTIG 255EXT 325EXT 46 mali sa E poo porem poene 2 SETUI FRONT PANEL FEATURES AND CONTROLS POWERTIG 255EXT 325EXT pe Pi 3 AC oc bigay re 26 amete Ai pira EE EE SE 2 m REAR PANEL FEATURES AND CONTROLS 255EXT IETUP AN 1 WATER COOLER RECEPTACLE EES ER DUAL VOLTAGE 4 POWER CABLE 110 2204 2 HF GROUND BOT SECHON 2 QUICK SETUP AND USE GUIDE REAR PANEL FEATURES AND CONTROLS CONTINUED Aa apa conoscut mue connecta pn pewa to me Bamba p SECTION 3 Welder Function Summary and Explanations 1 21 41 Pedal sequencer The 21 41 feature a or use So the 2T 4T function has been created to activities of the os pedal while providing more teated to operate the programming 27 is esse mingis old automatica Relessing the su begins the Anal stage o programming 4 operates tre Sage ofthe programming lowing for tedre Following the graphic Ines below you Cn visa trace and iar the city and tune ton each part of the welding ci ether 27 ora operation the programming can be reset to pope before eschog the ed amp stage b
3. POWERTIG 255 EXT 6 6 L AC DC TIG STICK WELDER GTAW SMAW AN Operator s Manual for the PowerTig 255 EXT Safety Setup and General Use Guide everlastwelders com EVERLAST 1 877 755 9353 329 Littlefield Ave South San Francisco CA 94080 USA TABLE OF CONTENTS Section Page Letter to the Customer 3 Everlast Contact Information 4 Safety Precautions 5 Introduction and Specifications 9 Unit Specifications 10 General Overview n General Use and Care u Quick Setup Guide TIG Torch Cooler Connection 12 Quick Setup Guide Stick Polarity 13 Rear Panel Gas Connection and Wiring 14 Front Panel Features and Controls 15 Rear Panel Features and Controls 21 Welder Function Summary and Explanations 23 Tungsten Preparation 29 Lift Start and High Frequency Start 30 Stick Starting Methods 31 Recommendations for Polarity Amps Tungsten 32 Expanded View of TIG torch 33 7 Pin Connector Pinout 34 Troubleshooting 35 Trouble Codes 36 NOTE Product Speicaions and features are subject to change without note While every attempt has forthe operatin maintnance of this ust Power Equipment INC does not guarantee the mercy rodut or this document er ness for any particular purpose for perlormance aecuraey or or suitably of Epica Furthermore Evert Power Equipment LLC does net accept by for iun ar damages conse Dear Customer THANKS You had a choice and you bought an Everlast We appre
4. SECHON 3 TROUBLE SHOOTING EXA sue work cable and IG Torch are secure Taten to he rent ight on Contact Technical Support EE ing gas or contaminated ln gas Use ony Ar Using o minimum 18 pc Tungsten is melting Reduce amper Posible gas eas or external due to loose Wald suits poor and around wih psi iy in Tao shart of post ow time Check EE e LE minare Machine runs Poor ground or snape tungsten Rento proper Posse magnetized base Reroute rates and or col E spark but no welding are aften EED ging bt ar mali le park Start ampaJend ampa too low for tungsten diameter Use mater tungsten To far rom work piece o monster 637 1 16 er tow amp stan Move work lame 35 SECTION 4 TROUBLE CODES Notes
5. To zee the maximum set amperage in the pedal mode main adjustment nob while the Welding Amps Fights The unit wil revert to the sting mode and display selected maximum amperage SECTION 3 BASIC THEORY AND FUNCTION TUNGSTEN PREPARATION 1 Usea dedicated grinding wheel or contamination may re sult Do not breath grinding dust Wear eye protection and gloves 3 Grind perpendicular to grind ing wheel face Allow tungsten to grind away slowly creating point 4 Rotate tungsten quicky as 8 5 being ground to keep point even and symmetrical DO NOT GRIND TUNGSTEN PARALLEL TO WHEEL FACE OR AN UNSTABLE ARC WILL RESULT Use a point for low amp use to 50A ea create asiem truncation on tha ty for her 25 20 pameten amp use for best are stability a 50A mn wide Diameter zm DO NOT BALL TUNGSTEN WHILE USING AC ERRATIC ARC WILL RE SULT MAKE SURE GRINDING MARKS RUN PARRALEL TO TI a CONCENTRIC MARKS WIL CAUSE N ERRATIC ARC NEVER USE PURE GREEN TUNGSTEN IN AN INVERTER WELDER TO WELD ALUMINUM EJ SECTION 3 BASIC THEORY AND FUNCTION LIFT START TIG OPERATION FOR DC USE NOT RECOMMENED FOR AC K a SECTION 2 a STICK OPERATION N STARTING METHODS Scratch Match Method D select the Sud mode or stek VRD with the JU Sar Sc VAD selector button nt The sre force contrat wil vary kom person to
6. bel t AS Ee dos re Keep as far away from the power source welder as possible while welding Never stand between the ground clamp and the torch Keep the ground clamp grounded as close to the weld or cut as pos 1 Never stand between cables or ie sole gg Welding and cutting processes pose certain Inhalation risks Bo sure to follow any Guidelines from your chosen consumable and electrode suppliers regarding possible need for respiratory equipment while welding or cutting Always wold with adequate ition Never wal In closed rooms or confined spaces leased walie welding or cutting may be polsonous Take precauto Any burning of the eyes nose or throat ar yat you need to increase ventilation 2 top immediately and relocate work necessary until adequate ventilation Is ob tained Stop work completely and seek medical help if irritation and discomfort persists A WARNING Do not weld on galvanized steel stainless steel boryllum tanlum cop per cadmium lead or zinc without proper respiratory equipment and or ventilation WARNING This product when used for welding or cutting produces fumes and gas es which contains chemicals known to the State of California to cause birth defects and in some cases cancer California Safety and Health Code 26249 5 ef seq WARNING Do not weld or cut around Chlorinated solvents or degreasing areas Release of Phosgene gas can be deadly Consider ali chemic
7. person as weli with ferent rod angles pos agus ot Start 4 to create a hotter start than the actual weld current to prevent rod sticking and im Prove starting reliably duraton Hot Start Time to prolong surge unt aring improved IMPORTANT Do not weld in the TIG mode with the stick electrode holder stl attached VAD Function wil decrease OCV while machine is idle and cause a slight delay in star SECTION 3 BASIC THEORY AND FUNCTION GENERAL POLARITY RECOMMENDATIONS PROCESS TORCH POLARITY WORK POLARITY TG GTAWI E STICK SMAW TIG GTAW OPERATION GUIDE FOR STEEL ALUMINUM METAL THICKNESS WELDINGAMPS TUNGSTENDIA Ar FLOW RATE a EET 10 80 50 125 12 640 3 52 8 15 CFH 47 Ipm 3 6 mm 1 8 1 4 B0200 125 200 2 3 mm 3 32 1 8 15 25 CFH 7 14 lpm 6 10 1 4 3 8 150 200 200 250 3 6 mm 1 8 1 4 20 CFH 10 15 Ipm STICK SMAW OPERATION GUIDE METAL THICKNESS ELECTRODE SIZE WELDING AMPS immu 15 mm 1 16 2040 2 080 2 82 3m ys 32mm 8 s0110 45 8 08 324 mm ME 55350 610 mm 1 4 3 8 4 5 mm 1 8 5 32 130175 TUNGSTEN SELECTION GUIDE FOR AN INVERTER Mosi economi SECTION 3 Y AND FUNCTION cn EXPANDED VIEW OF TIG TORCH ES seru HON 7 PIN CONNECTOR FOR 47K FOOT PEDAL Foot Pedal 47 50k 0
8. support available through the main company headquarters available in your country For best service call the appropriate support ine and lou up with an emal particularly off hours or you cannot reach a Ive person In the event you do ot reach a lve person particularly during heavy call volume times holidays and of hours leave a message and your cal wili normally be returned within 24 hours Also for quick answers to your basic ques ons join the company owned forum available through the website You find knowledgeable helpful people and staff available to answer your questions and perhaps find a topic that already addresses your question at http www everlastgenerators com forums Should you need to call or write always know your model name purchase date and welder manu facturing inspection date This wil assure the quick and accurate customer service REMEMBER Be as specificand Informed as possible Technical and performance advisors rely upon you to carefully describe the conditions and circumstances of your problem or question Take notes of any issues as best you can You may be asked many questions by the advisors to clarify prob lems or issues that may seem very basic However diagnosis procedures MUST be followed to begin the warranty process Advisors can t assume anything even with experienced users and must cover ali aspects to properly diagnose the problem Depending upon your Issue I is adis ble to have basic tools handy suc
9. until mal functioning parts or accessories have been repaired or replaced by qualified personnel Note on High Frequency elect disturbances Certain welding and cutting processes generate High Frequency HF waves These waves may disturb sensitive electronic equipment such as televisions radios computers cell phones and related equipment High Frequency may also interfere with fluorescent lights Consult with a Heensed electrician if dis turbance is noted Sometimes improper wire routing or poor shielding may be the cause tion for further information Always consult your physician before entering an HF can interfere with pacemakers See EMF warnings in following safely sec area known to have welding or cutting equipment if you have a pacemaker s These safety precautions follow the read and follow all cautions and wan A O SAFETY PRECAUTIONS for protection of safety and health Failure to guidelines may result in serious injury or death Be careful to ings Protect yourself and others Welding and cutting processes produce high level of ultraviolet UV radiation that an cause severe skin burn and damage There are other potential hazards involved With welding such as severe burns and respiratory related nesses Therefore ob Serve the following to minimize potential accidents and injury Use appropriate safety glasses with wrap around shields while in the work area even under weld
10. als to have potential deadly resul 1 welded on or near metal containing residual amounts of chemicals regulations regarding ih pressure cylinders can be obtained rom OSHA or local regulatory agency Consul alo with your welding supply company in your area for further recommendations The regulatory changes are frequent so keep informed A Keep all cylinders upright and chained to a wall or appropriate holding pen Certain closed Store chained so that overturn anc likely Transporting cylinders incorrecty San lead to an explosion Do not attempt to adapt regulators to fi eyiinders Do not se faulty regulators Do not allow cylinders to come into contact witn work piece or work Do not weld or strike arcs on cylinders Keep cylinders away from direct heat Tame and sparka Alloyilnders have a potential explosion hazard When notin use keep capped and SAFETY PRECAUTIONS immi A A az continued WARNING Electrical shock can ll Make sure ali electrical equipments property rounded Do not use frayed cut or otherwise damaged cables and leads Do not and lean or rest on ground clamp Do not stand In water or damp arcas while weld ing or cutting Keep work surface dry Do not use welder or plasma cutter in the ain orin extremely humid conditions Use dry rubber soled shoes and dry gloves when Welding or cutting to insulate against electrical shock Turn machine on or off only with gloved hand Keep parts of the body
11. ble 9 Series TIG torch and cable Everlast 47k Q Pedal Heavy duty work clamp Heavy duty electrodo holder Regulator and hose assy 240 to 120V Pigtail adapter SECTION 1 INTRODUCTION AND SPECIFICATIONS 255007325 EXT IG Welder aol oto asun sart mapay eras ae Ape dan saav sone nonna ian 669259 BOU fame made Von wa p Maman prg Ampa i meno menm pangan lt paan p swa Sara Amp ti Sin oie np aan Sun Tana poe animum Vara con ous paan ha ata tan ara arang wapa E qu DIR LE ed ama fora ART a aaa p 10 SECTION 1 INTRODUCTION AND SPECIFICATIONS General overview The 7537 TIG Stek welder is one Be mos advanced made ia anew generation of Ata controled were welders rom Everlast Waha and GT module design the overall plug and lay design improve reliabaity and 5 Fil bridge desig features sot siten technolo C Sol state igh Frequency design for are starting has mproved rito tow amperags duty cycle poto ovr hea with st ing rubi code E programmable memory stores avara setting and remember up ta 9 store program end expand sek welding aba H Advanced AC and Standard AC DC pulse za many industrial environment such as ship yards taken te keep the unit out sl direct contact with water spray The is rated 8215 which rates le
12. ciate you as a customer and hope that you will enjoy years of use from your welder Please go directly to the Everlast website to register your unit and to download your current war ranty Information Your unit registration Is important should any information such as product up dates or recalls be Issued Itis also important so that we may track your satisfaction with Everlast products and services If you are unable to register by website contact Everlast directiy through the sales department through the main customer service number In your country Your unit wil be registered and warranty wili be issued and In full efect Keep al information regarding your pur Chase In the event of a problem you must contact technical support before your welder can be a candidate for warranty service and returned Please review the current online warranty statement and information found on the web site of the Everlast division located in or nearest to your country Print it for your records and become familiar of its terms and conditions Everlast offers full technical support In several different forms We have online support avallable through email and a welding support forum designed for customers and noncustomer interaction Technical advisors are active on the forum daily We also divide our support into twa divisions technical and welding performance Should you have an issue or question concerning your unit please contact performance technical
13. de esta en tan Everlast otters a US made oot pedal avaa s Aadel option Da not tempi control sik tune Ban with the fot pedal 36 Water cole Air cooled toreh 20 and 9 series A water cooler e necessary for use with the water cold 20 Series torch and to the mimi current potential of the unit Using a water cooled torch even briefly without water can seriou and permanenti damage your or mum amp capacity of tne welder i you are not haves Peed touse the air cooled gs coated OF series tarch that AC The tren may be used at slightly higher amperage but designations They should be walk lo cal purchase ert f consumables is included you wili need more n SECTIONS BASIC THEORY AND FUNCTION 21 DINSE syle connector Bets uses a 350m try Thit commonly nown asa 1 2 or 35 series 12 7pin remote foot pedal connector Tis pin con ba able to start at appronmatey 5 amps AC DC Mer SCPH ot North American markets subject to change While using the foot pedal and some hand amptrols the welders digital display wili revert back to the mini mam amp sating on the welder after the are a temi ated and it wili not display maximum set mp wil only display maximum set ampa whl the units bing sed for amperage While welding the display wil read actual weld amperage Ater 3 4 seconds the dis ploy wilden tack tothe minimum amp renting When using 2 or 4T control modes the ampa reg ista the maximum stamps until the ae started
14. e type TG This designed primar for use with welding lume Int pei andthe is assigned asthe puise ampa base Others the ple frequen ments Occasionally during use sight wobble of the the metals igh the are length tolong and far shorten the are length If puking showy the raph below has been spite for caray 86 Signed show the relationship and interaction be usen he AC and DE parts of the pulse and does not epic the efect of AC frequency cycling between and polarity during the pls cl pengon 8 Are Force Contr Surg Amp Control When tek welt ing are force used to help welby of certain metali and welding rods The arc force boot current Now To mate the demanda ol are length and poto As an are traduce to help maintain a steady are Surge amps boost trode and weld area so the are staris deny what sick irg porsi Bath controls are vie welding in 9 Foot Pedol 47k Select 27 onthe panel Select mas iy conta arp uo to the range povere on tne front pare more amperage is needed rane th amp even and Pue Amos through the ratio estabished by selecting the pulse Amps on the panel Welding with puli and e the ampa more than tha margin on the panel will reduce the crac of the foot pedal by towering the resolution ot the fot pedal Be sure to tum the started amps an oe own ipe to the minimum setting orit intertere wth pedal operation The pedal cannot overri
15. ective clothing Flame proof clothing is required at imos Sparks and hot meta can lodge In pockets hams and cuff Make sure loose clothing is tucked In eat Leather aprons and jackets aro recommended Suitable Welding jackets and coats may be purchased made from re proof material rom Welding supply stores Discard any burned or frayed clothing Keep clothing away rom oil grease and flammable liquide Leather boots or steel toed leather boots with rubber bottoms are required for ado polyester and other man made materials often found Rubber or other non conductive soles are necessary to help protect from electrical shock Flame proof and insulated gauntlet gloves are required whether welding or cutting or handing metal Simple work gloves for he garden or chore work aro not suini Gauntlet type weiding gloves are avaiable from your local welding supply companies Never attempt to weld with out loves Welding with out gloves can resul in serious burns and electrical shock your hand or body parts comes into contact with the are ofa plasma cutter or welder instant and serious burns will occur Proper hand protection la require at ali Umes when working with welding or cutting machines 6 SAFETY PRECAUTIONS WARNING pers poetes ahead not wak te na EE ar Wen and plasma prosa era io aig etd ain qy ae ev A some harm from long term exposure to electromagnetic fields Therefore certain pre ped ben aaa E ive
16. h as screwdrivers wrenches ples and even an Inexpensive test meter with vot ohm functions before you call Let us know how we may be of service to you should you have any questions Sincerely Everlast Customer Service Serial number Model number Date of Purchase EVERLAST Contact information Everlast US Everlast consumer satisfaction email sales everlastwelders com Everlast Website everlastwelders com Everlast Technical Support support everlastwelders com Everlast Support Forum http uwww everlastgenerators com forums index php Main toll free number 1 877 755 WELD 9353 9am Spm PST M F Ham apm PST Sat FAX 1 650 588 8817 Everlast Canad Everlast consumer satisfaction ema Everlast Website everlastwelders ca Everlast Technical Support sales everlastwelders ca Telephone 905 637 1637 9am 4 30pm EST M F 10am 1pm EST Sat sales everlastwelders ca FAX 1 905 639 2817 Everlast Australia Sydney SA Karloo Parade Newport NSW 2106 02 9999 2949 Port Macquarie 28 Pandorea Place Port Macquarie 02 8209 3389 After hours support 0413 447 492 Everlast Technical Support support pickproducts com SAFETY PRECAU ONS Everlast is dedicated to providing you with the best possible equipment and service to meet the demanding jobs that you have We want to go beyond doliv ering a satisfactory product to you Thatis the reason we offer technical sup port to assist you with your needs s
17. hould an occasion occur With proper use and care your product should deliver years of trouble free service Safe operation and proper maintenance is your responsibility We have compiled this operator s manual to instruct you in basic safety oper ation and maintenance of your Everlast product to give you the best possible experience Much of welding and cutting is based upon experience and com mon sense As thorough as this welding manual may be itis no substitute for either Exercise extreme caution and care in all activities related to welding or cutting Your safety health and even life depends upon it While accidents are never planned preventing an accident requires careful planning Please carefully read this manual before you operate your Everlast unit This manual is not only for the use of the machine but to assist in obtaining the best performance out of your unit Do not operate the unit until you have read this manual and you are thoroughiy familiar with the safe operation of the unit Ifyou feel you need more information please contact Everlast Support The warranty does not cover improper use maintenance or consumables Do not attempt to alter or defeat any piace or part of your unit particularly any safety device Keep all shields and covers in place during unit operation should an unlikely failure of internal components result in the possible presence of sparks and explosions If a failure occurs discontinue further use
18. ing helmets to protect your eyes from fying sparks and debris When chip Ping sag or grinding goggles and face shclds may be required When welding or cutting always usa an approved shielding device with the correct shade of te installed Always use a welding helmet in good condition Discard any broken or cracked ters or helmets Using broken or cracked fiters or helmets can cause severe eye injury and burn Filter shades of no less than shade 5 for outing and no less than shade 9 for welding are highly recommended Shades greater hand may be required for high amperage welds Keen itr lenses clean and lear for max mom Iti also advisable to consult with your eye doctor should you wear Contacts for corrective vision before you wear them while welding Do not allow personnel to watch or observe the weiding or cutting operation unies fully protected by a iter screen protective curtains or equivalen protective equip ment no protection Is avalable exclude them from the work ares Even bret expo Sure to the rays from the welding arc can damage unprotected eyes Always wear hearing protection because welding and cutting can be extremely noisy Ear protection 8 necessary to prevent hearing loss Even prolonged low levels of noise has been known to create long term hearing damage Hearing protection also further protects against hot sparks and debris from entering the ear canal and doing harm Always wear personal prot
19. insulated from work and work tables Keep away from direct contact with skin against work If Ught or close quarters n eessltates standing or resting on work piece insulate with dry boards and rubber mata designed to insulate tne body from direct contact All work cables leads and hoses pose trip hazards Be aware of their location and make sure all personnel In area are advised of tneir location Taping or securing ca bles with appropriate restraints can help reduce tps and WARNING Fire and explosions are rea risks while welding or cutting Always keep fire extinguishers close by and additionally a water hose or bucket of sand Periodi cally check work area for smoldering embers or smoke tis a good idea to have Someone help watch for possible fires while you are welding Sparks and hot metal may travel a long distance They may go into cracks in walls and floors and start a fire that would not be immediately visible Here are some things you can do to reduce the possibly of fire or explosion keep ali combustible materials including rags and spare clothing away from area 1 Keep al fammable fuels and 1 stored separately from work area Visually inspect work area when job is completed for the slightest traces of smoke welding or cutting outside make sure you are in a cleared off a dry tender and debria that might start a forest or grass ra Do not weld on tanks drums or barrels that are closed pressurized or any
20. t anaes dripping water Na god store move the weder rm the iy el any water or Welder Aliwa bles distance o 2 kom ali sides posible wth minimum stance of st east 18 Do the force of the fan wil cause welding inue such as rico UR and arry the weder by the handle Do not direct meta ar ryt intentions to ward the machine parci during ging ard Wei operations Make sure the pane a protected rom damage while welding and cutting operans by down the chear protective cover Duty For the 255 EXT the duty eyele i rated tar 609 250 Ampa 89 and qa 225 Amp o Sick 240M The duty cycle based ott a 10 ty yele rating at 40 ma means that the un Is capable 30 minutes without break o coon down the unit any longer length o imo fal minut rest shoul be ca provide a 0 duty eyele while being used an 120V alts are ste y a warming igh azo nt as sal cols Once the overheat coria has had time to clear weng can rese when the ie eter tue Folio the trouble agod zee Bon and or cal Everlast Tec support cure to pts the pasali af lao TM manual has been compiled to give an overview of Bon ar shock Never operate or weld in standing water Every 2 mom depending upon welder Shou be unlutjd pered up and carey cleaned lath comprese ar Regular maintenance wili extend Mep te e of he una IMPORTANT Before opening the unit for any reason make sure the unit has ben unplugged oa as
21. t 10 minute ta akow or the captors ta uly di Charge Severe shock and or death can ctr operation nd a designed to oter Information cen ered around at prata use ol the weer Wei Inga dangerous Only YOU the operator ths str can ensure that ae oper pacer se flo tough the af common zembe practices and safety raining Do not operate sma Chine you hawe ful read the manual including ont af safety Ifyou do nat hawe the ski and or to sae operate this welder do not use ter tma gewang aie opera SECTION 2 QUICK SETUP AND USE GUIDE QUICK SETUP GUIDE TIG CONNECTIONS SECTION 2 QUICK SETUP AND USE GUIDE QUICK SETUP GUIDE REAR CONNECTIONS AND WIRING 255EXT US Canada SECTION 2 QUICK SETUP AND USE GUIDE FRONT PANEL FEATURES AND CONTROLS POWERTIG 255EXT EE EE EES secnon2 QUICK SETUP AND USE GUIDE FRONT PANEL FEATURES AND CONTROLS POWERTIG 255EXT 2 maabutan omnes wema maan aa aras a see K SETUP AND WE FRONT PANEL FEATURES AND CONTROLS POWERTIG 255EXT 325EXT D IMPORTANT READ OPERATOR S MANUAL BEFORE USE o LIXT Y 04 La oes lt oo Es i ei romeni asse pine pro E SECHON 2 a SETUP AND USE GUIDE FRONT PANEL FEATURES AND CONTROLS POWERTIG 255EXT 325EXT 2 pata 6
22. teate sou ita heip improve Arena ar of thea Gan be achieved Ako at higher ese Padat rete which improve the e adjusted hom 20250 He 5 AC Balance The AC output is torme by rapid erating polarity between eecrade negative M electrode pos cresting something that BASIC THEORY AND FUNCTION hich results in welding with moten bali at the te tungsten anda lss table are Hesse neg te EN provides penetration in the TIG welding pro ces Dectrode postive EP creates aston reverse ost that covers and magnesium cort ponents also places loto heat on the tungsten inte eng ET penetran is reduced and over deci tel vi etch lines running pra to Ale so more cleaning ested 3t times han others tie considered an ideal amount 65 75 electrode Sega This means that more heat ut into the ee Cleaning slot that level Good Bening action sant even a these evel eai the clearing action fold be aac una amali amene al asing can be seen o more than 1 distance from the edge fe weld Wa piece ol Bearing atin wili be required 1 100 much caring action used the unete wili begin ta bali and may Fray needed then suh 04 larger ed tungsten that can handle he increased heating level Signs af tisie leaning stan whe wedding aluminum are sooty black looking welds A dedicated stain ione shuld tt be used bere welding any type af less EP i needed and better penetran can be pS OD xoxo 50 ep QI ps an nn
23. thing that held flammable liquid or materiai free from Metal is hot after welding or cutting Always use gloves and or tongs when handing hot pieces of metal Remember to place hot metal on fire proof surfaces after han ding Serious burns and injury can result material is improperly handled WARNING rauly or poorly maintained equipment can cause injury or death Prop er maintenance is your responsiblity Make sure al equipments propery maintained and serviced by qualified personnel Do not abuse or misuse equipment Keep ali covers in place A faulty machine may shoot sparks or may have exploding paris Touching uncovered pars Inside machine can cause discharge of high amounts of electricity Do not alow employees to operate poorly serviced equipment Always check condition of equipment mortughty before startup Disconnect unit rom power source before any service attempt is made and for ong term storage or electrical storms relates directly to safe welding and plasma cutting Additionally your local welding supply company may have additional pamphlets available concerning their products Further information can be obtained from The American Welding Society AWS that Safe Do nol operate machinery until your are comfortable with proper operation and are ome inherent naka of cutting or welding B abieto secnon1 L PowerTIG 255EXT Accessories DUCTION AND Accessory 20 Series TIG torch and ca
24. y pressing tha once more Sting a lore See the graphics below or further explanation ur on swircu own on swo BASIC THEORY AND FUNCTION ture o the sequencer Wren bed kis simlarin woul should be programmed for the minimum slew to improve are rana or develop an instant puddle ha Gown slope can be used as wal farany special appicaion or need However be sure to remember as arc Nares sluggish operation may occur after releas in the foot pedi Senec with a han ampara 47 or 50 de A momentary on off buton edd mounted Some aftermarket tareh ampri have a buit in sich that automatically stats when the mpl 65 sed i the foot pedal mode or 27 pedal mode oniy depending upon empire configuration Ever aT cycle ecap the amperage can be ajustes at fe 2 sy Start Modes AC and DC The unitia equipped the unit up The unit is preprogrammed for weidert an for customers wating quick Stat upad the ts without an extensive setup proce SECTION 3 sea feature for achieving dar pe at are recent lora ypes of wer and er qu ue wet ane good ae sisi The ange reen ese para an thin du We ae wave and era leas are doi et When ing wewe only the Ad and Square wave offers ete Ne pulse ens ta 10 Me tor wave forms Sealy We ne pi query supplied by he AC truancy adjustment practical mis ue tothe GT components ha
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