Lincoln Electric R3R User's Manual
Contents
1. 1550 95007 914 550 LL 94 9915504 ASV SE ASS Sv ADO Petey 0 S ADO AG 0 S AGS SE SI ADO 0j 10 ADO E 8 TROUBLESHOOTING E 8 TROUBLESHOOTING C CONNECTING THE REMOTE CONTROL PROCEDURES TO THE MACHINE A PROCEDURE FOR REPLACING PC Extreme caution must be observed when installing BOARDS When a PC board is to be replaced the following procedure must be followed 1 Visually inspect PC board in question Are any of the components damaged Is a conductor on the back side of the board damaged a If there is no damage to the PC board insert a new one and see if this remedies the prob lem If the problem is remedied replace the old PC board and see if the problem still exists with the old PC board 1 If the problem does not exist with the old board check the PC board harness plug and PC board plug for corrosion contam ination or oversize 2 Check leads in the harness for loose con nections b If there is damage to the PC board refer to the Troubleshooting Guide B PROCEDURE FOR CHECKING DIODES 1 Isolate the diode in question Electrically dis connect from other circuits for 2 Use an ohmme ter X10 scale Connect the meter across diode and note the resistanc2. CAUTION The rectifier bridge tests outlined below will iden tify the most common effects found in power diodes or power silicon controlled rectifiers If a bridge problem still exists after test please call a Lincoln Field Service Shop Further evaluation of diodes or silicon controlled rectifiers may require laboratory equipment 1 DEVICE ISOLATION see the instruction manu al Parts List for the exact location Disconnect the following leads from the bridge shown in Diagram 1 a Wiring harness gate leads G1 G2 G3 from the gate lead terminals on the Control PC board b AC leads X1 X2 and X3 from the anodes of the SCR s and cathodes of the diodes c The 220 221 and 223 leads from the Snubber PC board d Lead 220 that connects to the latching resis tor R3 e The cathode of each diode 4 total 1 Connector J4 on latest control board IDEALARC 600 1 LINCOLN 8 E 10 TROUBLESHOOTING E 10 SW 1 z 3 Cathode Batteries m no 4 2 3 v Stud or Heat i Sink Anode 1 5 Q 2 Watt G Gate White Lead 20 1 2 Watt SW 2 A Voltmeter DIAGRAM 1 GATE LEADS TO CONTROL P C BOARD Leds de La CATHODE Dp I R3 223 213 S 250 SNUBBER TO POS OUTPUT TERMINAL ASSEMBLY ie NEG OUTPUT TERMINAL POWER RECTIFIER BRIDGE DIAGRAM 2 2
3. remover fumo da zona respiratoria servico e opere com os paineis abertos ATE N CAO e Nao toque as partes el tricas nuas ou guardas removidas eti AnD5mtRES PERI EFBRAL gt hy OHAPHEL HHELTFEU LS Chinese e 7A PE ae S o e EAI 2 e SESS XR LE e E fE X E e 42274 24752 HA MNL 01 amp 711942 2327 OM AIS HAPI AS 712471 55718 MSHS dsl dial j sul Ajo abil Gil gst ail cils 1 jal lla qal bios 9 4910 Age gt Led MEU oe gaal 9 LEIA E COMPREENDA AS INSTRU ES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO E SIGA AS PR TICAS DE SEGURANCA DO EMPREGADOR f amp S3thosWHOx LZ o0idBmRE E HA EFTBRLTF EW CL CRHORSRMELTE TRE EB MI RRR EARN MART RADAR 55 AA ETMT aad 38 Clabes dg Gilles agil y acts LINCOLN LINCOLN e World s Leader in Welding and Cutting Products e Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 81
4. R3 40 OHM T Lee R4 4 OHM POCKET AMPTROL SENSING RESISTOR 11 p SW1 POWER SWITCH SW2 MACHINE REMOTE SWITCH SW3 DIAL SELECTOR SWITCH SW4 OPTIONAL POLARITY SWITCH TH Mscr scr 60 Hz ONLY d ES SCR1 D1 pud jm a NE re SCR2 D2 SCR AND DIODE e 21 SCR3 D3 RECTIFIER BRIDGE wee 223 7 THESE LEADS ARE D4 16263 PRESENT ONLY WITH 24 2 OPTIONAL METER 220 204 T1 MAIN TRANSFORMER 225 24 TT KIT T2 CONTROL TRANSFORMER T3 POCKET AMPTROL OPTION TRANSFORMER 115V 6 2 OPTIONAL POCKET Fe 201A T 1 1 ES AMPTROL P C ICR INPUT STARTER m M TU 4 C 42 J TDS Dg 5 gt 35 4 gt 1 20 COLORS j SNUBBER BOARD e A AMBER 226 ri 204 n ERE h 2 gt gt 1209 E 1208 CONTROL PILOT LIGHT Y YELLOW OPTIONAL METER KIT P C 4 214 BOARD 5 75 DASHED ITEMS ON WIRING 6 12 DIAGRAM ARE OPTIONAL 7 gt gt 1 1 205 _8 17 206 _ li CAVITY NUMBERING SEQUENCE COMPONENT SIDE OF BOARD CONNECTOR AND THESE THREE LEADS ARE NOT USED WHEN OPTIONAL POCKET AMPTROL IS PROVIDED c 240 NI 75 20 21 Ti m 214 204 SWITCH SHOWN IN LOCAL POSITION TO CONTROL BOX GROUNDING STUD R3 204 Di SHUNT 06 _ SW1 208 204 209 24
5. SOUDER A enrouler le c ble lectrode autour de n importe quelle partie du TRANSFORMATEU R ET 2 Dans le cas de travail au dessus du niveau du sol se prot ger corps REDRESSEUR Un coup d arc peut tre plus s v re qu un coup de soliel donc a Utiliser un bon masque avec un verre filtrant appropri ainsi qu un verre blanc afin de se prot ger les yeux du nement de et des projections quand on soude ou quand on regarde b Porter des v tements convenables afin de prot ger la peau de soudeur et des aides contre le rayonnement de l arc c Prot ger l autre personnel travaillant proximit au soudage l aide d crans appropri s et non inflammables Relier la terre le chassis du poste conformement au code de l lectricit et aux recommendations du fabricant Le dispositif de montage ou la piece souder doit tre branch une bonne mise la terre Autant que possible l installation et l entretien du poste seront effectu s par un lectricien qualifi Avant de faires des travaux l interieur de poste la debranch Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pan talons sans revers et chaussures montantes Toujours porter des lunettes de s curit dans la zone de soudage Utiliser des lunettes avec crans lateraux da
6. POWER DIODE TEST K POWER SILICON CONTROLLED TIFIER TEST a Establish the polarity of the ohmmeter leads and set to X10 scale The SCR must be mounted in the heat sink when making this test b Connect the ohmmeter positive lead to anode and negative lead to the cathode a Connect the ohmmeter set to the X10 scale leads to the anode and cathode c Reverse the leads of the ohmmeter from Step b b Reverse the leads of the ohmmeter from Step a d Ashorted diode will indicate zero or an equal shorted SCR will indicate zero or an equally ly low resistance in both directions An open low resistance in one or both directions diode will have an infinite or high resistance in both directions and a good diode will have a d Establish the polarity of the ohmmeter Connect low resistance in Step b and a much higher the positive lead to the gate and the negative resistance in Step c lead to the cathode e An open gate circuit will have an infinite or high resistance A good gate circuit will read a low resistance but not zero ohms IDEALARC 600 1 LINCOLN 8 F 1 WIRING DIAGRAMS IDEALARC R3R 400 500 1 500 600 1 WIRING DIAGRAM m ME EE TO SUPPLY LINES TO SUPPLY LINES dixi TO SUPPLY LINES RECONNECT PANEL SHOWN TO GROUND 4 7 5 8
7. tip could result in giving different welding currents for a given dial setting POWER RECTIFIER REPLACEMENT Hefer to the troubleshooting section Power Rectifier Bridge Assembly Checking Procedure if a rectifier fail ure is suspected NOTE Since proper material and correct assembly procedures are critical field disassembly of the power rectifier bridge sections can do more harm than good Return a defective rectifier bridge section or the entire bridge to the factory for repairs IDEALARC 600 1 LINCOLN TROUBLESHOOTING E 1 HOW TO USE TROUBLESHOOTING GUIDE A WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty For your safety and to avoid Electrical Shock please observe all safety notes and precautions detailed throughout this manual This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions Simply follow the three step procedure listed below Step 1 LOCATE PROBLEM SYMPTOM Look under the column labeled PROBLEM SYMPTOMS This column describes pos sible symptoms that the machine may exhib it Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the
8. YOOUD 1ndino spee pue dus 77 9 SZ Speo SAOWA JeMod YIM 0096 ADO e euo pee uoee euo 5 9 2 0 1 9 aye pue oeuuoosip JOMOd YUM quiesse Jo puno j 101 quiesse jou JJ SMO O se 4 eouejsiseH 1 10 suid ay Y29049 pue 1011009 0096 T Jredoi 9 4oeuo LINCOLN IDEALARC R3R 600 1 OI AOSL 202 202 OI 0 E 01 202 102 919 SOUOJIMS pieoq U09 X99u5 d Ul junus uo uedo JO ZMS 8 peseud 2 2500 JO LLZ 01 212 212 si 2195504
9. codes above 9500 and 211 on SW 2 The reading must be 10K ohms No reading will indicate an open rheostat and low reading will indicate a shorted or partially shorted rheostat in either case replace TOGGLE SWITCH CHECK Turn off the machine power input SW 1 has 110 volts across it when the input power is connect ed Isolate the switch to be tested by removing all connecting leads Check to make sure the switch is making con nections with a VOLT meter The meter should read zero resistance Put the ohmmeter on X1K scale and measure the resistance between the terminal and the case of the machine touch a self tapping screw Reading should be infinite If either step 3 or step 4 fails replace the switch REMOTE CONTROL CHECK For codes above 9500 the remote control Amphenol pin assignments are pin C 75 pin B 76 and pin A 77 Disconnect the remote field control and connect an ohmmeter across 75 and 76 and rotate the rheostat in the remote control The resis tance reading should go from zero to 10K ohms Repeat with triplet across 77 and 76 with same results Connect ohmmeter across 75 and 77 The reading should be 10K ohms A lower reading will indicate a shorted or partially shorted rheostat A very high reading will indicate an open rheostat In either of the last two cases replace rheostat Check cable for any physical damage J POWER RECTIFIER BRIDGE ASSEM BLY CHECKING PROCEDURE
10. dry insulating gloves FUMES AND GASES can be danger 9 ous a QA Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone WELDING SPARKS can cause fire or explosion Keep flammable material away Do not weld on containers that have held combustibles ARC RAYS can burn 4 Wear eye ear body protection NM STARTING THE MACHINE The power on off switch on the machine control panel energizes the three phase line contactor from a small 115 volt pilot transformer This in turn energizes the main power transformer NOTE All PC boards are protected by a moisture resistant coating When the welder is operated this coating will bake off of certain power resistors that normally operate at high temperatures emitting some smoke and odor for a short time These resistors and the PC board beneath them may become blackened This is a normal occurrence and does not damage the component or affect the machine performance PILOT LIGHT The while light on the machine control panel indicates when The line contactor is energized NOTE If the amber High Temperature Warning Light is lit it indicates that one or both of the protective ther mostats has opened the line contactor OUTPUT CONTROL The current control dial labeled on the front of the machine indicates the output current On the 375 1 there is only one dial On the
11. maintained in good condition Always keep cylinders in an upright position securely chained to an undercarriage or fixed support Cylinders should be located e Away from areas where they may be struck or subjected to physical damage eA safe distance from arc welding or cutting operations and any other source of heat sparks or flame Never allow the electrode electrode holder or any other electrically hot parts to touch a cylinder Keep your head and face away from the cylinder valve outlet when opening the cylinder valve Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use Read and follow the instructions on compressed gas cylinders associated equipment CGA publication P l Precautions for Safe Handling of Compressed Gases in Cylinders available from the Compressed Gas Association 1235 Jefferson Davis Highway Arlington VA 22202 FOR ELECTRICALLY powered equipment 8 a Turn off input power using the disconnect switch at the fuse box before working on the equipment Install equipment in accordance with the U S National Electrical Code all local codes and the manufacturer s recommendations Ground the equipment in accordance with the U S National Electrical Code and the manufacturer s recommendations Mar 95 iv SAFETY iv PRECAUTIONS DE SURETE B Pour votre propre protection lire e
12. toxic vapors from substances inside They can cause an explosion even though they have been cleaned For information purchase Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping That Have Held Hazardous Substances AWS F4 1 from the American Welding Society see address above Vent hollow castings or containers before heating cutting or welding They may explode Sparks and spatter are thrown from the welding arc Wear oil free protective garments such as leather gloves heavy shirt cuffless trousers high shoes and a cap over your hair Wear ear plugs when welding out of position or in confined places Always wear safety glasses with side shields when in a welding area Connect the work cable to the work as close to the welding area as practical Work cables connected to the building framework or other locations away from the welding area increase the possibility of the welding current passing through lifting chains crane cables or other alternate circuits This can create fire hazards or overheat lifting chains or cables until they fail 6 h Also see item 1 c LINCOLN amp CYLINDER may explode amp damaged gt Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed for the gas and pressure used All hoses fittings etc should be suitable for the application and
13. trips off while under load and High Temperature Warning Light glows Thermostat tripped G Machine comes on but reduces to low output under load and remains there until the load is broken and arc restarted See Fault Protection Troubleshooting Section E FUNCTION PROBLEMS Input fuse blown Machine is single phased One phase of main transformer windings open Defective power bridge Improper ventilation Loaded beyond rating Fan inoperative Shorted diode or SCR in power rectifier bridge Excessive load causing the over load protection on control board to operate Machine output shorted causing overload protection on control board to operate Control circuit defective CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed IDEALARC 600 1 LINCOLN Replace fuse or repair input line Check reason for fault Repair Check bridge per Troubleshooting Procedures Section J and check snubber per Section F Make sure all case openings are free for proper circulation of air Operate at rated current and duty cycle Check leads and motor bearings Fan can be tested on 115 volt line Refer to Troubleshooting Procedures Section J and Snubb
14. 00 FAX 216 486 1751 WEB SITE www lincolnelectric com
15. 500 1 and 600 1 there are two dials The A range controls the current over about 1 2 of the B range A toggle switch on the control panel allows selection of the desired range The output control can be adjusted while welding MACHINE OR REMOTE CURRENT CONTROL SWITCH Provisions for remote control are standard on each power source A current control switch on the machine control panel labeled I is provided for selecting the desired mode of operation either remote at the machine ARC FORCE CONTROL The arc force control located on the right side of the front control panel is calibrated from one to ten For most welding the dial should be set at approximately mid range 5 6 Adjustments up or down can then be made depending on the electrode procedures and operator preference Lower settings will provide less short circuit current and a softer arc A setting that is too low may cause the electrode to stick in the puddle Higher settings will provide a higher short circuit cur rent and a more forceful arc Excessive spatter may result if the control setting is too high For most TIG welding applications adjust this control to minimum for best operating characteristics INTERNATIONAL SYMBOLOGY REFERENCE The R3R name plates feature international symbols in describing the function of the various components Below are the symbols used and an explanation of what each represents A POWER ON OF
16. 9 Lead broken or loose connec tion in 115V starter circuit 10 Thermostats defective High Temperature Warning Light should be lit CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed IDEALARC 600 1 LINCOLN 1 Repair or replace 2 Check with Power Company 1 Replace look for reason for blown fuse first 2 Check voltage 3 Repair 4 Check voltage against instructions 5 a Make sure the fan is operating and that there are no obstruc tions to free flow of air b Operate at normal current and duty cycle c Replace High Temperature Warning Light if defective 6 Replace 7 Replace 8 Replace 9 Replace 10 Turn input power off 115V cir cuit is hot when input power is connected Check thermostats with continuity meter should read short circuit when machine is cool Replace if defective There are two thermostats one on the secondary lead and one on the choke Replace High Temperature Warning Light if defective E 3 TROUBLESHOOTING E 3 Observe all Safety Guidelines detailed throughout this manual PROBLEMS RECOMMENDED SYMPTOMS COURSE OF ACTION FUNCTION PROBLEMS Electrode or work lead loose or broken C Machine input contactor closes but has no or low output O
17. 9376 NOTE This diagram is for reference only It may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels IDEALARC R3R 600 1 LINCOLN F 2 DIMENSION PRINT F 2 R3R 600 1 K817 or K817R K841 not shown 4 GAS SUPPORT 39 55 gt dh EN DIR 77 A MIG HOLES C fi N A OPTION NDERCARRIAGE AVAILABLE Pa Type A B D F G H M12244 7 1 71 78 IDEALARC R3R 600 1 LINCOLN Do not touch electrically live parts Keep flammable materials away Wear eye ear and body protection W A HR N G electrode with skin or wet clothing insulate yourself from work and ground AVI D e No toque las partes los electrodos e Mantenga el material combustible e Prot jase los ojos los o dos y el bajo carga con la piel o ropa moja fuera del area de trabajo cuerpo da P R ECA U C Aislese del trabajo de la tierra Denn e Ne laissez ni la peau ni des v te e Gardez l cart de tout mat riel e Prot gez vos yeux vos oreilles et ATT E NTI O N deals oce pies inflammahle votre corps e Isolez vous du travail et de la terre German e Ber hren Sie keine stromf hrenden e Entfernen Sie brennbarres Material Tragen Sie Augen Ohren und K r Teile oder
18. AGE UND DEN ELEKTRODENEINSATZ DES HER STELLERS DIE UNFALLVERHUTUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN LINCOLN Keep your head out of fumes Turn power off before servicing Do not operate with panel open or Use ventilation or exhaust to guards off remove fumes from breathing zone WA R N e Los humos fuera de la zona de res e Desconectar el cable de ali e No operar con panel abierto o de poder de la maquina guardas quitadas AVISO D Mantenga la cabeza fuera de los antes de iniciar cualquier servicio humos Utilice ventilaci n PRECAUCION aspiraci n para gases e Gardez la t te l cart des fum es e D branchez le courant avant l entre e N op rez pas avec les panneaux French e Utilisez un ventilateur ou un aspira tien ouverts ou avec les dispositifs de teur pour ter les fum es des zones protection enlev s ATT NTI O N de travail Vermeiden Sie das Einatmen von Strom vor Wartungsarbeiten Anlage nie ohne Schutzgehause German Schweibrauch abschalten Netzstrom v llig off oder Innenschutzverkleidung in Sorgen Sie f r gute Be und nen Maschine anhalten Betrieb setzen WAR N U NG Entl ftung des Arbeitsplatzes Mantenha seu rosto da fumaca e Nao opere com as tampas removidas Mantenha se afastado das partes POtusuese Use ventila o exhaust o para Desligue a corrente antes de fazer moventes
19. AND 6 9 TO GROUND CONNECTED FOR 220V TO SUPPLY LINES PER 1 TO p can f 1 RECONNECT PANEL NATIONAL MAIN TRANSFORMER NATIONAL END M E RECONNECT PANEL SHOWN TO GROUND NATIONAL PER RECONNECT PANEL SHOWN CONNECTED FOR LOW VOLTAGE ELECTRICAL NATIONAL 6 CONNECTED FOR LOW VOLTAGE d CODE FLEX Ee x2 LEAD 2 218 O17 216 PRIMARY COILS TO PRIMARY 233 TO PRIMARY 233 COILS a TO PRIMARY COILS 220 380 440 TO PRIMARY COILS SINGLE BELOW 346V OR SINGLE 346V AND ABOVE 20 a ae 380 500 OR 460 575 DUAL VOLTAGE EXCEPT 380V 400 440 460 PRIMARY CONNECTIONS 1 7 2 8 AND 3 9 ARE MADE AT THE MAIN TRANSFORMER BONDED GROUNDING LEADS R3R 600 I ABOVE CODE 11200 ONLY TO SUPPLY LINES C TO GROUND er RECONNECT PANEL SHOWN ELECTRICAL CONNECTED 230V INPUT BOX LIFT BALE CONTROL CONTROL HIGHTEMPLIGHT CODE AND FRAME BOX PANEL RENE 2 233 SECONDARY Oe THERMOSTAT THERMOSTAT 231 234 036 145V ME 202 ahs ua 230 400V AUXILIARY COILS ON BOTTOM PRI 66V 5 88V go ELECTRICAL SYMBOLS PER E1537 COIL ASSEMBLIES 5 TOP PRIMARY J 10 11 12 THERE IS NO 10 11 12 LEGEND 16 17 amp 18 ARE PRESENT POM MOND D5 7 RES 16 17 18 230 400V MACHINES 1 06 POCKET AMPTROL SENSING BRIDGE 3 D7 1 2c 36 4 L1 DC OUTPUT FILTER Borne R1 10K OHM POT OUTPUT CONTROL 219 R2 10K OHM POT ARC FORCE CONTROL 6
20. Elektroden mit Ihrem perschutz WA H N U N G oder feuchter Kleidung e Isolieren Sie sich von den Elektroden und dem Erdboden Portuguese e toque partes el tricas e elec e Mantenha inflam veis bem guarda Use prote o para a vista ouvido e ATEN C A O ds com a pele ou roupa molha dos corpo e Isole se da e terra o BERORR Lighe RAPTOSOOMCOBBH e A ERUBISIGRBEUCT z IH EEA EU o 9 ATO 3 Aa Az Ole 19 Juil el jay Quali ALAN oi gti e dM dine ule Judas igi e 3 pull slay 9 9 JOA dana READ AND UNDERSTAND THE MANUFACTURER S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER S SAFETY PRACTICES SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS CONSUMIBLES QUE VA A UTILIZAR SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANL
21. F LISIS Greer P 527 Series LINCOLN amp 1 INSTALLATION 1 TECHNICAL SPECIFICATIONS R3R 600 11 K1381 INPUT THREE PHASE ONLY Standard Voltage Frequency 220 230V 50 60Hz 380 400V 50 60Hz 440 460V 50 60Hz Rated Input Current Volts Hz 103A 600A Output 92A 500A Output 220V 50 60Hz 68A 375A Output DC RATED OUTPUT Volts at Rated Amperes OUTPUT Current Range Maximum Open Circuit Voltage 75 625 Amps 64VDC POWER FACTOR RATED LOAD 74 500A IDLE CURRENT 11 3 220V 50Hz TEMPERATURE RANGES OPERATING TEMPERATURE RANGE 40 C to 40 C PHYSICAL DIMENSIONS HEIGHT WIDTH DEPTH WEIGHT 27 5 in 22 3 in 32 0 in 446 lbs 699 mm 566 mm 813 mm 203 kg Insulation Class 155 C F IDEALARC R3R 600 1 LINCOLN 2 INSTALLATION A 2 INSTALLATION A WARNING FALLING EQUIPMENT can cause injury Do not lift this machine using lift bail if it is equipped with a heavy accessory such as trailer or gas cylinder Lift only with equipment of adequate lifting capacity Be sure machine 15 stable when lifting The machine should be located in a clean dry place where there is free circulation of clean air such that air movement entering the front and exiting the back will not be restricted Dirt and dust that can be drawn into the machine should be kept to a minimum Failure to observe these precautions can result in excessive operating temperatures and nui
22. F SWITCH Power Input IDEALARC 600 1 LINCOLN 2 OPERATION B ARC FORCE CONTROL DIAL gt Arc Force mn 2 Arc Force C OUTPUT CURRENT CONTROL DIAL gt Output Current D OUTPUT CURRENT CONTROL RANGE SWITCH 500 1 and 600 1 only Output Current gt Output Current Control Dial Range B E OUTPUT CURRENT CONTROL MACHINE REMOTE SWITCH M gt Remote Output Current Control F POLARITY SWITCH Factory installed option on domestic models only Electrode Polarity Positive A e Electrode Polarity Negative Welding Increase Decrease of Control Dial Range A Do Not Switch While G RATING PLATE NN ee Three Phase Power Transformer Rectifier Rectified DC Output Constant Current Characteristics Shielded Metal Arc Welding Line Connection H HIGH TEMPERATURE WARNING LIGHT T WARNING A J GROUND IDEALARC 600 1 LINCOLN amp High Temperature Limit Warning Identification Signifying the Earth Ground Connection 1 ACCESSORIES OPTIONAL EQUIPMENT K857 REMOTE CURRENT CONTROL The K857 consists of a control box with 8 5 m 28 ft of four conductor cable and a 6 pin Amphenol for easy connection to the front of the power source The K857 will give the same control as the current con trol on the machine depending on the position of the c
23. IM885 A IDEALARC R R 600 November 2006 For use with machines having Code Numbers 11289 11343 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind However your overall safety can be increased by proper installation and thoughiful operation on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READ ING THIS MANUAL AND THE SAFETY PRECAUTIONS CON TAINED THROUGHOUT And most importantly think before you act and be careful n OPERATOR S MANUAL A E ISO 9002 oe s to ISO 9002 Requirements CERTIFICATE NUMBER 30273 LI NCOLN Copyright 2006 Lincoln Global Inc World s Leader in Welding and Cutting Products e Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS A _________ Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can chemicals known to the State of California to cause cer birth defects and other reproductive harm cancer birth defects or other reproductive harm The Above For Diesel Engines The Above For Gasoline Engines ARC WELDING CAN BE HAZA
24. RDOUS PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH KEEP CHILDREN AWAY PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of Safety in Welding Cutting ANSI Standard 249 1 from the American Welding Society Box 351040 Miami Florida 33135 or CSA Standard W117 2 1974 A Free copy of Arc Welding Safety booklet E205 is available from the Lincoln Electric Company 22801 St Clair Avenue Cleveland Ohio 44117 1199 BE SURE THAT ALL INSTALLATION OPERATION MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS FOR ENGINE 2 scalding d the ngin powered equipment yale E or pressure cap when the engine is 1 a Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running 1 b Operate engines in open well ventilated 3 areas vent the engine exhaust fumes outdoors ELECTRIC AND MAGNETIC FIELDS 9 1 Do not add the fuel near an open flame weld Stal may be dangerous ing arc or when the engine is running Stop the engine and allow it to cool before refuel 2 a Electric current flowing through any conductor causes ing to prevent spilled fuel from vaporizing on localized Electric and Magnetic Fields EMF
25. Welding 59 current creates EMF fields around welding cables and not spill fuel when filling tank If fuel is spilled welding machines wipe it up and do not start engine until fumes have been eliminated EMF fields may interfere with some pacemakers and welders having a pacemaker should consult their physician Keep all equipment safety guards covers before welding and devices in position and in good repair Keep hands hair clothing and tools away from V belts gears fans and all other N moving parts when starting operating or repairing equipment Exposure to EMF fields in welding may have other health effects which are now not known All welders should use the following procedures in order to minimize exposure to EMF fields from the welding circuit 1 e In some cases it may be necessary to remove safety 2 d 1 Route the electrode and work cables together Secure guards to perform required maintenance Remove them with tape when possible guards only when necessary and replace them when the maintenance requiring their removal is complete 2 4 2 Never coil the electrode lead around your body Always use the greatest care when working near moving parts 2 4 3 Do not place your body between the electrode and work cables If the electrode cable is on your right Do not put your hands near the engine fan Do not attempt to side the work cable should also be on your right side override the governor or idler by push
26. e value Reverse the ohm meter leads and note the resistance value Shorted diode Low resistance readings in both directions Open diode High or infinite resistance in both directions Good diode One reading will be high or infinite and the other reading will be low or extending the wiring of a remote control Improper connection of this unit can Lead to failure of the current control rheostat or the control circuit Only the green lead can and should be grounded to the machine case When extending the standard remote control make sure the leads are the same and the splice is waterproof Be very careful not to ground the cable when in use and do not let these connections touch against the case D OUTPUT VOLTAGE The open circuit voltage of the machine should be 66 to 71 volts and should not vary when the rheo stat is varied unless the machine is welding If any other condition exists refer to the Troubleshooting Guide E FAULT PROTECTION OPERATION The overload protection circuit in the control board will reduce the welding current heat to some safe value if the machine is overloaded for 2 to 3 sec onds The overload values are as appears in the fol lowing table R3R 375 1 50 Hz 100A F CHECKING SNUBBER CIRCUIT R3R 500 1 R3R 600 1 In case of an SCR malfunction or failure the snub ber assembly should be checked Turn the machine off and disconnect one lead of the snubber assem bly Eithe
27. elding gases used for arc welding can displace air and Cause injury or death Always use enough ventilation especially in confined areas to insure breathing air is safe Read and understand the manufacturer s instructions for this equipment and the consumables to be used including the material safety data sheet MSDS and follow your employer s safety practices MSDS forms are available from your welding distributor or from the manufacturer Also see item 1 b SAFETY E WELDING SPARKS can gt cause fire or explosion 6 a Remove fire hazards from the welding area If this is not possible cover them to prevent the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Refer to Safety in Welding and Cutting ANSI Standard 249 1 and the operating information for the equipment being used When not welding make certain no part of the electrode circuit is touching the work or ground Accidental contact can cause overheating and create a fire hazard Do not heat cut or weld tanks drums or containers until the proper steps have been taken to insure that such procedures will not cause flammable or
28. er Section F Reduce load Turn machine off and remove short Replace per PC board Troubleshooting Section A 5 TROUBLESHOOTING E 5 Observe all Safety Guidelines detailed throughout this manual PROBLEMS RECOMMENDED SYMPTOMS COURSE OF ACTION FUNCTION PROBLEMS H Machine trips off when under no 1 Power bridge rectifier may have 1 Refer to Power Hybrid load or makes excessive noise a shorted diode or SCR Troubleshooting Procedures like it is loaded Section J and Snubber Section F 2 Short in the transformer 2 Repair 3 Fan hitting vertical baffle 3 Clear the fan Variable or sluggish welding arc 1 Poor work or electrode cable 1 Check and clean cable connec connection tions 2 Current too low 2 Check recommended currents for rod type and size 3 Welding leads too small 3 See Table in Output Connection Section 4 Open SCR or diode in power 4 Check per Power Rectifier rectifier bridge Bridge Troubleshooting Procedures Section J and Snubber Section F 5 Control circuit problems 5 See SCR Troubleshooting Section K J Welder will not shut off 1 Input contactor contacts frozen 1 Replace input contactor K Current control on machine not 1 Current control switch in wrong 1 Place switch in machine functioning position position 2 Current control switch defective 2 Check per Section 3 Current control potentiometer 3 Check p
29. er Section G defective 4 Lead or connection in control 4 Repair or connect circuit open 5 Defective control or circuit 5 See SCR Troubleshooting boards Section K CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed IDEALARC 600 1 LINCOLN E 6 TROUBLESHOOTING E 6 Observe all Safety Guidelines detailed throughout this manual PROBLEMS RECOMMENDED SYMPTOMS COURSE OF ACTION FUNCTION PROBLEMS L Optional remote current control Current control switch in the Place switch in remote not functioning See wrong position position Troubleshooting Section C before connecting Leads 75 76 and 77 not con Correct connection nected to correct numbers on models with terminal strip Remote control leads broken Repair broken leads Remote control potentiometer See Troubleshooting Section C open Lead or connection in current Connect or repair control circuit open Control PC board plug discon Connect plug nected or loose Control circuit problems See SCR Troubleshooting Section K CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facil
30. es ou les recouvrir afin de pr venir tout risque d incendie d aux tincelles Quand on ne soude pas poser la pince une endroit isol de la masse Un court circuit accidental peut provoquer un chauffement et un risque d incendie S assurer que la masse est connect e le plus pr s possible de la zone de travail qu il est pratique de le faire Si on place la masse sur la charpente de la construction ou d autres endroits loign s de la zone de travail on augmente le risque de voir passer le courant de soudage par les chaines de levage cables de grue ou autres circuits Cela peut provoquer des risques d incendie ou d echauffement des chaines et des c bles jusqu ce qu ils se rompent Assurer une ventilation suffisante dans la zone de soudage Ceci est particuli rement important pour le soudage de t les galvanis es plomb es ou cadmi es ou tout autre m tal qui produit des fume s toxiques Ne pas souder en pr sence de vapeurs de chlore provenant d op rations de d graissage nettoyage ou pistolage La chaleur ou les rayons de l arc peuvent r agir avec les vapeurs du solvant pour produire du phosg ne gas fortement toxique ou autres produits irritants 11 Pour obtenir de plus amples renseignements sur la s ret voir le code Code for safety in welding and cutting CSA Standard W 117 2 1974 PR CAUTIONS DE S RET POUR contre les chutes dans le cas ou on recoit un choc Ne jamais LES MACHINES
31. ing on the throttle con trol rods while the engine is running d 4 Connect the work cable to the workpiece as close as possible to the area being welded To prevent accidentally starting gasoline engines while turning the engine or welding generator during maintenance d 5 Do not work next to welding power source work disconnect the spark plug wires distributor cap or magneto wire as appropriate LINCOLN SAFETY ELECTRIC SHOCK can kill 3 a The electrode and work or ground circuits are electrically hot when the welder is on Do not touch these hot parts with your bare skin or wet clothing Wear dry hole free gloves to insulate hands 3 0 Insulate yourself from work and ground using dry insulation Make certain the insulation is large enough to cover your full area of physical contact with work and ground In addition to the normal safety precautions if welding must be performed under electrically hazardous conditions in damp locations or while wearing wet clothing on metal structures such as floors gratings or scaffolds when in cramped positions such as sitting kneeling or lying if there is a high risk of unavoidable or accidental contact with the workpiece or ground use the following equipment Semiautomatic DC Constant Voltage Wire Welder DC Manual Stick Welder AC Welder with Reduced Voltage Control In semiautomatic or automatic wire welding the electrode electr
32. ity for technical troubleshooting assistance before you proceed IDEALARC 600 1 LINCOLN 7 TROUBLESHOOTING tc t L F lt F OO OF npo pue o9e det som 1911991 Jo 1U9981 Spee 29 4 uonoeuuoo e qissog uey sse ADO T T e gissog H9S 1201100 104 HO 1 ALL E L pue peaj pee eBueuo jou pip ADO parowa ueuM peal LON seop euin je ouo pee pue J T JL T spee M Od 91415504 yo e gissod HO s eouelsiseli J UT HIP JO LH PUB CMS y y osje pue spee pue duis 18919 JOU e qissod YO S 9900215 50 J WNWIUIL IN9 ZZ N9 9Z WNWIUIL 8 snu eoueisiseH duis 14 uo JO 1 15
33. ns les zones l on pique le laitier LINCOLN geri er l interrupteur la boite de fusibles Garder tous les couvercles et dispositifs de s ret leur place V V for selecting a QUALITY product by Lincoln Electric We want you Thank You 0 take pride in operating this Lincoln Electric Company product eee as much pride as we have in bringing this product to you Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped title passes to the purchaser upon receipt by the carrier Consequently Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment is received Please record your equipment identification information below for future reference This information can be found on your machine nameplate Product Whenever you request replacement parts or information on this equipment always supply the information you have recorded above The code number is especially important when identifying the correct replacement parts On Line Product Registration Register your machine with Lincoln Electric either via fax or over the Internet e For faxing Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it For On Line Registration Go to our WEB SITE at www lincolnelectric com Choose Quick Link
34. obvious external possibili ties that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause If you do not understand or are unable to perform the Recommended Course of Action safely contact you local Lincoln Authorized Field Service Facility A WARNING ment ELECTRIC SHOCK can kill Do not touch electrically hot parts e Have an electrician install and service this equip e Turn the input power off at the fuse box before working on equipment CAUTION If for any reason you do not understand the test procedures are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed IDEALARC 600 1 LINCOLN 8 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS RECOMMENDED SYMPTOMS COURSE OF ACTION A Input contactor chatters B Machine input contactor does not operate FUNCTION PROBLEMS 1 Faulty input contactor 2 Low line voltage 1 Supply line fuse blown 2 Power circuit dead 3 Broken or loose power lead 4 Wrong voltage 5 Thermostats tripped High Temperature Warning Light should be lit Welder overheated 6 Input contactor coil open 7 Open winding on 115V pilot transformer 8 Power ON OFF switch not closing
35. ode reel welding head nozzle or semiautomatic welding gun are also electrically hot Always be sure the work cable makes a good electrical connection with the metal being welded The connection should be as close as possible to the area being welded Ground the work or metal to be welded to a good electrical earth ground Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation Never dip the electrode in water for cooling Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders When working above floor level use a safety belt to protect yourself from a fall should you get a shock Also see Items 6 c and 8 LINCOLN 12 ARC RAYS can burn 4 a Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding Headshield and filter lens should conform to ANSI Z87 standards 4 6 Use suitable clothing made from durable flame resistant 54 AUG 06 material to protect your skin and that of your helpers from the arc rays Protect other nearby personnel with suitable non flammable screening and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatte
36. output for 3 5 minutes out of every 10 minute period without overheating Failure to follow these instructions can cause immedi ate failure of components within the machine CAUTION When powering welder from a generator be sure to turn off welder first before generator is shut down in order to prevent damage to welder OUTPUT CONNECTIONS With the machine power switch off the output leads are connected to the Magnum Twist Mate output terminals marked and They are located at the lower right and lower left corners of the front panel Strain relief for the electrode and work cables is pro vided by routing the leads through the rectangular holes in the base before the connections to the output terminals are made Twist Mate Lead plugs must be installed to the output cables before connections can be made to the power source See 518737 instructions included with the plugs The recommended output cable sizes can be found in the Table below Machine Up to 100 ft 100 to 150 ft 150 to 200 ft 200 to 250 ft Size 30 m 30 46 m 46 61 61 76 m 2 0 68 mm 3 0 86 mm 3 0 86 mm 4 0 108 mm IDEALARC R3R 600 1 LINCOLN 1 OPERATION 1 WARNING ELECTRIC SHOCK kill Do not touch electrically live parts or electrode with skin or wet cloth ing Insulate yourself from work and ground e e Always wear
37. pen circuit voltage should be 67 to 71 1 Repair connections volts D Machine has maximum output but no control Open transformer primary or secondary circuit Supply line fuse blown Input line grounded causing single phase input Input leads not connected to contactor Latching resistor R3 open Control circuit problems Possible defective power SCR Possible defective control board CAUTION Repair Replace blown fuse check fuse size Repair input to machine Connect input lead Replace b Check leads to the resistor and repair if defective See Troubleshooting Procedures Power Silicon Controlled Rectifier Remove all gate leads G1 G2 and G3 at PC board connector J4 welder has any open circuit voltage power SCR is defective See Troubleshooting Procedures Section J See PC board Troubleshooting Procedures Section A If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed IDEALARC 600 1 LINCOLN TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS RECOMMENDED SYMPTOMS COURSE OF ACTION Machine does not have maximum output 67 to 71 volts F Machine comes on but soon
38. r 221 222 or 223 depending on the SCR in question See wiring diagram The sides of the machine have to be removed to do this See the instruction manual parts list for the exact location 1 Visually inspect the snubber assembly for over heated components 2 Using a VOLT meter on the X10 scale connect the positive lead to the lead removed Touch the negative lead to the other lead still connected to the SCR bridge The indicating needle on the meter will move quickly to the right low resis tance value and then slowly return to the left high resistance value This indicates that the Capacitor in the snubber circuit is taking a charge IDEALARC 600 1 LINCOLN TROUBLESHOOTING E 9 If the needle stays to the right the capacitor is shorted and the assembly is defective If the needle does not move the capacitor is open and the assembly is defective G CHECKING CURRENT CONTROL RHEOSTAT ON MACHINE 1 2 1s Turn machine off Remove the control panel screws and open the front cover Turn the current control switch to remote Disconnect the harness plug from the control board Put current range switch to B range With an ohmmeter on X1K connect it to lead 210 and 211 on SW 2 Rotate the current con trol rheostat The resistance reading should be from around zero to 10K ohms Check the resis tance reading between 75 on the terminal strip codes below 9500 or Amphenol
39. r or metal FUMES AND GASES can be dangerous 5 Welding may produce fumes and gases hazardous to health Avoid breathing these fumes and gases When welding keep your head out of the fume Use enough ventilation and or exhaust at the arc to keep fumes and gases away from the breathing zone When welding with electrodes which require special ventilation such as stainless or hard facing see instructions on container or MSDS or on lead or cadmium plated steel and other metals or coatings which produce highly toxic fumes keep exposure as low as possible and below Threshold Limit Values TLV using local exhaust or mechanical ventilation In confined spaces or in some circumstances outdoors a respirator may be required Additional precautions are also required when welding on galvanized steel The operation of welding fume control equipment is affected by various factors including proper use and positioning of the equipment maintenance of the equipment and the specific welding procedure and application involved Worker expo sure level should be checked upon installation and periodi cally thereafter to be certain it is within applicable OSHA PEL and ACGIH TLV limits Do not weld in locations near chlorinated hydrocarbon vapors coming from degreasing cleaning or spraying operations The heat and rays of the arc can react with solvent vapors to form phosgene a highly toxic gas and other irritating prod ucts Shi
40. s and then Product Registration Please complete the form and submit your registration Read this Operators Manual completely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided for your protection The level of seriousness to be applied to each is explained below A WARNING This statement appears where the information must be followed exactly to avoid serious personal injury or loss of life CAUTION This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment LINCOLN vi TABLE OF CONTENTS vi Page ASNO eee hs ee eee ee ee Section A Technical Specifications 1 Input Power Connection 2 ed 2 Output Connections zs sux mos don 2 Operating Instructions Section B new ee craie ot na Section C Maintenance 2 se ed oe Section D MEOUDIGSNOONUNG ee Dos ue eu bee ace Section E Troubleshooting Procedures E 7 E 10 Wiring Diagrami Ros Section
41. sance shutdown of the machine The Idealarc R3R welders can be stacked three high when the following precautions are observed 1 Be sure the bottom machine is on a firm level sur face suitable for the total weight up to 1340 pounds 608 kg of the stacked machines 2 Stack the machines with the fronts flush Be certain the pins on the top front corners of the lower machines fit through the holes in the base rails of the upper machines 3 No unit heavier than the bottom unit should be stacked on top of it For example 500 shall be slacked on top of an R3R 400 1 but an 400 I may be stacked on top of an R3R 500 1 INPUT POWER CONNECTION A WARNING ELECTRIC SHOCK can kill e Have an electrician install and ser vice this equipment Turn the input power off at the fuse box before working on equipment Do not touch electrically hot parts Remove the rear access panel Connect the three phase input power to the three line terminals on the input contactor and the earth ground lead to the ground stud marked with the symbol Install the reconnect panel for the proper input voltage per the diagram pasted inside the access panel cover Copper Wire Size Type 75 C in Conduit Super Lag Fuse Size DUTY CYCLE The maximum output rating of this welder is at a 35 duty cycle Duty cycle is based on a ten minute period Therefore the welder can be operated at the maximum rated
42. t observer toutes les instructions et les pr cautions de s ret specifiques qui parraissent dans ce manuel aussi bien que les pr cautions de s ret g n rales suiv antes S ret Pour Soudage A L Arc 1 Protegez vous contre la secousse lectrique Les circuits l lectrode et la pi ce sont sous tension quand la machine souder est en marche Eviter toujours tout contact entre les parties sous tension et la peau nue ou les v tements mouill s Porter des gants secs et sans trous pour isoler les mains Faire tr s attention de bien s isoler de la masse quand on soude dans des endroits humides ou sur un plancher met allique ou des grilles metalliques principalement dans les positions assis ou couch pour lesquelles une grande partie du corps peut tre en contact avec la masse Maintenir le porte lectrode la pince de masse le c ble de soudage et la machine souder en bon et s r tat defonc tionnement d Ne jamais plonger le porte lectrode dans l eau pour le refroidir Ne jamais toucher simultan ment les parties sous tension des porte lectrodes connect s deux machines souder parce que la tension entre les deux pinces peut tre le total de la tension vide des deux machines Si on utilise la machine souder comme une source de courant pour soudage semi automatique ces precautions pour le porte lectrode s applicuent aussi au pistolet de soudage Eloigner les mat riaux inflammabl
43. urrent dial selector switch Current dial selector switch not used on the R3R 375 l CAUTION Extreme care must be observed when installing or extending the wiring of a remote control The Remote Control cord can be lengthened to any length by splicing four wires to the standard 28 ft 8 5 m cord before connecting to the R3R recep tacle Only the green lead can and should be grounded to the machine case K841 UNDERCARRIAGE For easy moving of the machine platform undercar riage with mounting two gas cylinders at the rear of welder K963 HAND AMPTROL AND K870 FOOT AMPTROL Connect directly to the 6 pin Amphenol on the front of the power source AMMETER AND VOLTMETER factory installed only IDEALARC 600 1 LINCOLN 8 D 1 MAINTENANCE A WARNING ELECTRIC SHOCK can kill e Have an electrician install and ser vice this equipment e Turn the input power off at the fuse box before working on equipment Do not touch electrically hot parts ROUTINE MAINTENANCE 1 The fan motor has sealed bearings which require no service 2 In extremely dusty locations dirt may clog the air channels causing the welder to run hot Blow out the machine at regular intervals POCKET AMPTROL Routine cleaning should be the only maintenance required The probe tip should be kept in condition to provide sharp edges at the ends to assure penetration of heavy oxide coatings on the work piece A blunted
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