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Lincoln Electric SVM186-A Bedienungsanleitung

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Was ist eine Gebrauchsanleitung?

Das Wort kommt vom lateinischen „instructio”, d.h. ordnen. Demnach kann man in der Anleitung Lincoln Electric SVM186-A die Beschreibung der Etappen der Vorgehensweisen finden. Das Ziel der Anleitung ist die Belehrung, Vereinfachung des Starts, der Nutzung des Geräts oder auch der Ausführung bestimmter Tätigkeiten. Die Anleitung ist eine Sammlung von Informationen über ein Gegenstand/eine Dienstleistung, ein Hinweis.

Leider widmen nicht viele Nutzer ihre Zeit der Gebrauchsanleitung Lincoln Electric SVM186-A. Eine gute Gebrauchsanleitung erlaubt nicht nur eine Reihe zusätzlicher Funktionen des gekauften Geräts kennenzulernen, sondern hilft dabei viele Fehler zu vermeiden.

Was sollte also eine ideale Gebrauchsanleitung beinhalten?

Die Gebrauchsanleitung Lincoln Electric SVM186-A sollte vor allem folgendes enthalten:
- Informationen über technische Daten des Geräts Lincoln Electric SVM186-A
- Den Namen des Produzenten und das Produktionsjahr des Geräts Lincoln Electric SVM186-A
- Grundsätze der Bedienung, Regulierung und Wartung des Geräts Lincoln Electric SVM186-A
- Sicherheitszeichen und Zertifikate, die die Übereinstimmung mit entsprechenden Normen bestätigen

Warum lesen wir keine Gebrauchsanleitungen?

Der Grund dafür ist die fehlende Zeit und die Sicherheit, was die bestimmten Funktionen der gekauften Geräte angeht. Leider ist das Anschließen und Starten von Lincoln Electric SVM186-A zu wenig. Eine Anleitung beinhaltet eine Reihe von Hinweisen bezüglich bestimmter Funktionen, Sicherheitsgrundsätze, Wartungsarten (sogar das, welche Mittel man benutzen sollte), eventueller Fehler von Lincoln Electric SVM186-A und Lösungsarten für Probleme, die während der Nutzung auftreten könnten. Immerhin kann man in der Gebrauchsanleitung die Kontaktnummer zum Service Lincoln Electric finden, wenn die vorgeschlagenen Lösungen nicht wirksam sind. Aktuell erfreuen sich Anleitungen in Form von interessanten Animationen oder Videoanleitungen an Popularität, die den Nutzer besser ansprechen als eine Broschüre. Diese Art von Anleitung gibt garantiert, dass der Nutzer sich das ganze Video anschaut, ohne die spezifizierten und komplizierten technischen Beschreibungen von Lincoln Electric SVM186-A zu überspringen, wie es bei der Papierform passiert.

Warum sollte man Gebrauchsanleitungen lesen?

In der Gebrauchsanleitung finden wir vor allem die Antwort über den Bau sowie die Möglichkeiten des Geräts Lincoln Electric SVM186-A, über die Nutzung bestimmter Accessoires und eine Reihe von Informationen, die erlauben, jegliche Funktionen und Bequemlichkeiten zu nutzen.

Nach dem gelungenen Kauf des Geräts, sollte man einige Zeit für das Kennenlernen jedes Teils der Anleitung von Lincoln Electric SVM186-A widmen. Aktuell sind sie genau vorbereitet oder übersetzt, damit sie nicht nur verständlich für die Nutzer sind, aber auch ihre grundliegende Hilfs-Informations-Funktion erfüllen.

Inhaltsverzeichnis der Gebrauchsanleitungen

  • Seite 1

    For use with machine code numbers: SVM186-A October , 2008 Safety Depends on Y ou 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 thoughtful operation on your part. DO NOT INST ALL, OPERA TE OR REP AIR THIS EQUIPMENT WITHOUT READ- IN[...]

  • Seite 2

    Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC SAFETY i i FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b.Operate engines in open, well-ventilate[...]

  • Seite 3

    SAFETY ii ii Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC FUMES AND GASES can be dangerous. 5.a. 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 ga[...]

  • Seite 4

    SAFETY iii iii Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC Jan ‘07 FOR ELECTRICALL Y powered equipment. 8.a. T urn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and[...]

  • Seite 5

    SAFETY iv iv Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC Mar ‘93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: [...]

  • Seite 6

    SAFETY v v Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC Electromagnetic Compatibility (EMC) Conformance Products displaying the CE mark are in conformity with European Community Council Directive of 3 May 1989 on the approximation of the laws of the Member States relating to electromagnetic compatibility ([...]

  • Seite 7

    SAFETY vi vi Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC Electromagnetic Compatibility (EMC) The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place. The surrounding area may extend beyond the boundaries of the premises. Met[...]

  • Seite 8

    - MASTER T ABLE OF CONTENTS FOR ALL SECTIONS - I I PRECISION TIG® 225 RETURN TO MAIN INDEX Page S a f e t y ........................................................................... i - i v I n s t a l l a t i o n .................................................................. S e c t i o nA O p e r a t i o n .................................[...]

  • Seite 9

    T ABLE OF CONTENTS - INST ALLA TION SECTION A-1 A-1 Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRECISION TIG® 225 I n s t a l l a t i o n ............................................................................. A - 1 T e c h n i c a l S p e c i f i c a t i o n s.....................................[...]

  • Seite 10

    INST ALLA TION A-2 A-2 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC TECHNICAL SPECIFICA TIONS - PRECISION TIG® 225 (K2533-1AND K2535-1,-2) Weld V oltage (NEMA) 15.7 V AC/DC 15.2 V AC/DC 14.1 V A[...]

  • Seite 11

    INST ALLA TION A-3 A-3 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC TECHNICAL SPECIFICA TIONS - CANADIAN (K2533-2), INTERNA TIONAL K2534-1) MODEL HEIGHT WIDTH DEPTH WEIGHT PHYSICAL DIMENSIONS (2)[...]

  • Seite 12

    INST ALLA TION A-4 A-4 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC SAFETY PRECAUTIONS SELECT SUIT ABLE LOCA TION MOUNTING Environmental Rating The PRECISION TIG® 225 power source carries an IP2[...]

  • Seite 13

    INST ALLA TION A-5 A-5 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC MACHINE GROUNDING AND HIGH FRE- QUENCY INTERFERENCE PROTECTION Locate the Precision TIG® 225 away from radio controlled machin[...]

  • Seite 14

    INST ALLA TION A-6 A-6 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC INPUT RECONNECT PROCEDURE On multiple input voltage welders, be sure the machine is connected per the following instructions fo[...]

  • Seite 15

    INST ALLA TION A-7 A-7 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC CONNECTIONS FOR TIG (GT A W) WELDING TIG TORCH CONNECTION A PT A-17 T wist-Mate TIG welding torch with cable and connector is s[...]

  • Seite 16

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES A-8 A-8 PRECISION TIG® 225[...]

  • Seite 17

    T ABLE OF CONTENTS - OPERA TION SECTION B-1 B-1 Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRECISION TIG® 225 O p e r a t i o n .............................................................................. B - 1 S a f e t y P r e c a u t i o n s .........................................................[...]

  • Seite 18

    OPERA TION B-2 B-2 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet cloth- ing. • Insulate yourself f[...]

  • Seite 19

    OPERA TION B-3 B-3 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRODUCT DESCRIPTION The PRECISION TIG® 225 is a member of our field acclaimed PRECISION TIG® family of industrial arc welding pow[...]

  • Seite 20

    OPERA TION B-4 B-4 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC CONTROL FUNCTIONALITY 1. POWER SWITCH – Input line switch turns input power ON or OFF , as indicated by the on or off sta- tus of[...]

  • Seite 21

    OPERA TION B-5 B-5 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC 8. PULSE TIG CONTROL – The Pulse TIG feature built into the PRECISION TIG® 225 is simplified to be a single knob control which s[...]

  • Seite 22

    OPERA TION B-6 B-6 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC CASE REAR COMPONENTS 1. INPUT CABLE– This #6-3 (208/230V) or #12-3 (380V and higher) heavy duty cable with cable clamp is factory[...]

  • Seite 23

    OPERA TION B-7 B-7 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC OPERA TING STEPS WELDING IN TIG MODE 1. Connect the TIG torch and cable T wist-Mate™ quick connect plug to the Electrode/Gas outp[...]

  • Seite 24

    OPERA TION B-8 B-8 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC REMOTE CONTROL OPERA TION A Foot Amptrol is included with the PRECISION TIG® 225 Ready-Pak models and available for other models ([...]

  • Seite 25

    OPERA TION B-9 B-9 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC WELDING IN STICK MODE 1. Put the electrode holder and cable quick connect plug into the electrode output receptacle. T urn clock- w[...]

  • Seite 26

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES B-10 B-10 PRECISION TIG® 225[...]

  • Seite 27

    T ABLE OF CONTENTS - ACCESSORIES SECTION C-1 C-1 Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRECISION TIG® 225 A c c e s s o r i e s............................................................................ C - 1 S t a n d a r d E q u i p m e n t P a c k a g e s .......................................[...]

  • Seite 28

    ACCESSORIES C-2 C-2 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC T ABLE C.1 ST ANDARD EQUIPMENT P ACKAGES The PRECISION TIG® 225 will be available in two Factory-Configured Welding Packages: 1. [...]

  • Seite 29

    ACCESSORIES C-3 C-3 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC F ACTOR Y INST ALLED OPTIONS The PRECISION TIG® 225 will be available in two Factory-Configured Welding Packages: 1. PRECISION TI[...]

  • Seite 30

    ACCESSORIES C-4 C-4 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC FIELD INST ALLED OPTIONS The following Options/Accessories are available for the PRECISION TIG® 225: • K2348-1 Under-Storage Ca[...]

  • Seite 31

    T ABLE OF CONTENTS - MAINTENANCE SECTION D-1 D-1 Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRECISION TIG® 225 M a i n t e n a n c e ........................................................................... D - 1 S a f e t y P r e c a u t i o n s .......................................................[...]

  • Seite 32

    MAINTENANCE D-2 D-2 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Only qualified personnel should per- form this maintenance. • T urn the input po[...]

  • Seite 33

    T ABLE OF CONTENTS-THEOR Y OF OPERA TION SECTION E-1 E-1 Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRECISION TIG® 225 T h e o r y o f O p e r a t i o n ..................................................................... E - 1 G e n e r a l D e s c r i p t i o n .......................................[...]

  • Seite 34

    THEOR Y OF OPERA TION E-2 E-2 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC GENERAL DESCRIPTION The PRECISION TIG® 225 is a member of our field acclaimed PRECISION TIG® family of industrial arc [...]

  • Seite 35

    THEOR Y OF OPERA TION E-3 E-3 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC OUTPUT RECTIFICA TION AND FEEDBACK CONTROL The AC output from the main transformer secondary is rectified and controlled[...]

  • Seite 36

    THEOR Y OF OPERA TION E-4 E-4 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC HIGH VOL T AGE / HIGH FREQUENCY CIRCUIT The control board passes the 1 15V AC voltage to the primary of the high voltage[...]

  • Seite 37

    THEOR Y OF OPERA TION E-5 E-5 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC DC WELDING OUTPUT When the polarity switch is placed in either DC position, the AC voltage from the main transformer sec[...]

  • Seite 38

    THEOR Y OF OPERA TION E-6 E-6 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC AC WELDING OUTPUT Rotating the polarity switch to the AC position changes the welding power circuit. One lead (X1) of th[...]

  • Seite 39

    THEOR Y OF OPERA TION E-7 E-7 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC SCR OPERA TION A silicon controlled rectifier (SCR) is a three terminal device used to control rather large currents to [...]

  • Seite 40

    THEOR Y OF OPERA TION E-8 E-8 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PROTECTIVE CIRCUITS Protective circuits are designed into the PRECISION TIG® 185 to sense trouble and shut down the mac[...]

  • Seite 41

    T ABLE OF CONTENTS - TROUBLESHOOTING AND REP AIR F-1 F-1 Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRECISION TIG® 225 T roubleshooting and Repair.............................................................................................................................F-1 How to Use T roubleshooting G[...]

  • Seite 42

    TROUBLESHOOTING AND REP AIR F-2 F-2 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC This T roubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow[...]

  • Seite 43

    TROUBLESHOOTING AND REP AIR F-3 F-3 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC Sometimes machine failures appear to be due to PC board failures. These problems can sometimes be traced to poor e[...]

  • Seite 44

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 45

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 46

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 47

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 48

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 49

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 50

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 51

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 52

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 53

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 54

    OUTPUT PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual. PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) RECOMMENDED COURSE OF ACTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical troubles[...]

  • Seite 55

    HIGH FREQUENCY CIRCUIT DISABLE PROCEDURE TROUBLESHOOTING AND REP AIR F-15 F-15 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC W ARNING Service and repair should be performed by only Lincoln Electri[...]

  • Seite 56

    .020 Spark Gap LEFT SIDE OF MACHINE FIGURE F .1 – SP ARK GAP ASSEMBL Y HIGH FREQUENCY CIRCUIT DISABLE PROCEDURE (continued) TROUBLESHOOTING AND REP AIR F-16 F-16 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return t[...]

  • Seite 57

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed thr[...]

  • Seite 58

    PRECISION TIG 225 CONTROL BOARD J2 J3 J4 PIN 4 (LEAD #201) PIN 3 (LEAD #204) PIN 7 (LEAD #210) PIN 8 (LEAD #209) PIN 3 (LEAD #232) PIN 2 (LEAD #260) T1 TRANSFORMER TEST (continued) PROCEDURE 1. Remove main supply power to the machine. 2. Using the 3/8” nutdriver remove the case wrap- around cover . 3. Locate plugs J3 and J4 on the control board. [...]

  • Seite 59

    T1 TRANSFORMER TEST (continued) PROCEDURE 6. If all of the secondary voltages are correct the T1 transformer is functioning properly . A. If all of the secondary voltages are missing or incorrect make certain that the correct input voltage is being applied to the correct primary leads. See T able F .1. B. If the correct input voltage is being appli[...]

  • Seite 60

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-20 F-20 PRECISION TIG® 225[...]

  • Seite 61

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed thr[...]

  • Seite 62

    PLUG J2 REMOVED PRECISION TIG 225 CONTROL J2 J3 J4 ST A TIC SCR TEST (continued) TEST PROCEDURE 1. Remove main supply power to the TIG 225 and remove the case wrap-around cover . 2. Locate and remove plug J2 from the control board. See Figure F .3. TROUBLESHOOTING AND REP AIR F-22 F-22 PRECISION TIG® 225 Return to Section T OC Return to Section T [...]

  • Seite 63

    CASE COVER REMOV AL AND REPLACEMENT PROCEDURE (continued) TEST PROCEDURE (continued) 3. Using an analog ohmmeter test the resistance from anode to cathode of SCR1. Reverse the meter leads and check from cathode to anode of SCR1. See Figure F .4. If a low resistance is indicated in either direction SCR1 is faulty . Replace SCR Bridge Assembly . See [...]

  • Seite 64

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-24 F-24 PRECISION TIG® 225[...]

  • Seite 65

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed thr[...]

  • Seite 66

    FIGURE F .5 – ACTIVE SCR TEST SETUP ACTIVE SCR TEST (continued) TEST PROCEDURE 1. Remove main supply power to the TIG 225 machine. 2. Locate and remove plug J2 from the control board. See Figure F .3 . 3. Perform test procedure as outlined in Figure F .5. Repeat test for all four SCRs. See Figure F. 6 . 4. Construct the circuit outlined in Figure[...]

  • Seite 67

    FIGURE F .6 – SCR GA TE LOCA TIONS ACTIVE SCR TEST (continued) TEST PROCEDURE (continued) 6. Connect SCR into the test circuit as shown (A) lead to anode (C) lead to cathode and (G) lead to the gate. 7. Close switch SW-1 (switch SW -2 should open), voltmeter should read zero. If the voltmeter reads higher than zero the SCR is shorted. 8. With swi[...]

  • Seite 68

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-28 F-28 PRECISION TIG® 225[...]

  • Seite 69

    This is the typical AC output voltage waveform generated from a properly operating machine. Note that each vertical division represents 50 volts and that each horizontal division rep- resents 2 milliseconds in time. Note: Scope probes connected at machine output terminals: (+) probe to electrode, (–) probe to work. SCOPE SETTINGS V olts/Div .....[...]

  • Seite 70

    This is the typical DC (+) output volt- age waveform generated from a prop- erly operating machine. Note that each vertical division represents 50 volts and that each horizontal division represents 2 milliseconds in time. Note: Scope probes connected at machine output terminals: (+) probe to electrode, (–) probe to work. SCOPE SETTINGS V olts/Div[...]

  • Seite 71

    This is the typical AC output voltage waveform generated from a properly operating machine. Note that each vertical division represents 50 volts and that each horizontal division rep- resents 2 milliseconds in time. Note: Scope probes connected at machine output terminals: (+) probe to electrode, (–) probe to work. SCOPE SETTINGS V olts/Div .....[...]

  • Seite 72

    This is the typical DC (+) output volt- age waveform generated from a prop- erly operating machine. Note that each vertical division represents 50 volts and that each horizontal division represents 2 milliseconds in time. Note: Scope probes connected at machine output studs: (+) probe to electrode, (–) probe to work. SCOPE SETTINGS V olts/Div ...[...]

  • Seite 73

    MACHINE LOADED TO 180 AMPS A T 16VDC. This is the typical AC output voltage wave- form generated from a properly operating machine. Note that each vertical division represents 10 volts and that each horizontal division represents 2 milliseconds in time. The machine was loaded with a resistance grid bank. The grid load meters read 180 amps and 16VDC[...]

  • Seite 74

    MACHINE LOADED TO 180 AMPS A T 16VDC. This is the typical DC (+) output voltage wave- form generated from a properly operating machine. Note that each vertical division repre- sents 10 volts and that each horizontal division represents 2 milliseconds in time. The machine was loaded with a resistance grid bank. The grid load meters read 180 amps and[...]

  • Seite 75

    MACHINE LOADED TO 180 AMPS A T 26VDC. This is the typical AC output voltage wave- form generated from a properly operating machine. Note that each vertical division represents 10 volts and that each horizontal division represents 2 milliseconds in time. The machine was loaded with a resistance grid bank. The grid load meters read 180 amps and 26VDC[...]

  • Seite 76

    MACHINE LOADED TO 180 AMPS A T 26VDC. This is the typical AC output voltage waveform generated from a properly operating machine. Note that each vertical division represents 10 volts and that each horizontal division repre- sents 2 milliseconds in time. The machine was loaded with a resistance grid bank. The grid load meters read 180 amps and 26VDC[...]

  • Seite 77

    This is NOT the typical DC (+) output voltage waveform. One output SCR is not functioning. Note the “gap”in the waveform. One SCR gate was discon- nected to simulate an open or non- functioning output SCR. Note that each vertical division represents 50 volts and that each horizontal division represents 2 milliseconds in time. Note: Scope probes[...]

  • Seite 78

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-38 F-38 PRECISION TIG® 225[...]

  • Seite 79

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed thr[...]

  • Seite 80

    FIGURE F .7 – CASE BACK MOUNTING SCREWS SCR BRIDGE ASSEMBL Y REMOV AL AND REPLACEMENT PROCEDURE (continued) PROCEDURE 1. Remove input power to the TIG 225 machine. 2. Using the 3/8” nutdriver remove the case wrap- around cover . 3. With the slot head screwdriver loosen the input cable strain relief to allow movement of case back. 4. Using the 3[...]

  • Seite 81

    FIGURE F .8 – FRONT P ANEL MOUNTING SCREWS SCR BRIDGE ASSEMBL Y REMOV AL AND REPLACEMENT PROCEDURE (continued) PROCEDURE (continued) 9. Remove plug J2 from the control board. (See Figure F .9 .) Also remove plug and lead harness from internal divider panel. 10. Carefully slide the internal divider panel away a few inches to allow access to the SC[...]

  • Seite 82

    PLUG J2 REMOVED PRECISION TIG 225 CONTROL J2 J3 J4 FIGURE F .9 – PLUG J2 ON CONTROL BOARD SCR BRIDGE ASSEMBL Y REMOV AL AND REPLACEMENT PROCEDURE (continued) TROUBLESHOOTING AND REP AIR F-42 F-42 PRECISION TIG® 225 Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T[...]

  • Seite 83

    SCR BRIDGE ASSEMBL Y REMOV AL AND REPLACEMENT PROCEDURE (continued) 16. With the 3/8” wrench remove the four mount- ing screws holding the SCR bridge assembly to the main transformer frame. Note insulator placement. 17. Carefully remove the SCR bridge assembly from the TIG 225 cutting any necessary cable ties. REPLACEMENT PROCEDURE 1. Carefully p[...]

  • Seite 84

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-44 F-44 PRECISION TIG® 225[...]

  • Seite 85

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed thr[...]

  • Seite 86

    POLARITY SWITCH REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1. Remove the input power to the TIG 225 machine. 2. Using the 3/8” nutdriver remove the case wrap- around cover . 3. Using the 3/32” Allen type wrench remove the output control knob. 4. Using the Phillips head screwdriver remove the screw from the polarity switch[...]

  • Seite 87

    POLARITY SWITCH REMOV AL AND REPLACEMENT PROCEDURE (continued) REPLACEMENT PROCEDURE 1. Carefully position the new polarity switch in position on the front panel. Make certain the micro-switch is assembled to the polarity switch correctly . 2. Solder leads #31 1 and #312 to the micro - switch. 3. Assemble and tighten the two nuts and washers that h[...]

  • Seite 88

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-48 F-48 PRECISION TIG® 225[...]

  • Seite 89

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed thr[...]

  • Seite 90

    FIGURE F .1 1 – SECONDARY LEADS A T HIGH FREQUENCY ST ARTER BOARD HIGH VOL T AGE TRANSFORMER REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1. Remove input power to the TIG 225 machine. 2. Using the 3/8” nutdriver remove the case wrap- around cover . 3. With the needle nose pliers remove the two secondary leads from the quick[...]

  • Seite 91

    FIGURE F .12 – HIGH VOL T AGE TRANSFORMER MOUNTING INSULA TORS HIGH VOL T AGE TRANSFORMER REMOV AL AND REPLACEMENT PROCEDURE (continued) REPLACEMENT PROCEDURE 1. Carefully position the new high voltage trans- former in place in the two rear mounting insula- tors. See Figure F .12. 2. Install the front mounting insulators and mount- ing screw . 3.[...]

  • Seite 92

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-52 F-52 PRECISION TIG® 225[...]

  • Seite 93

    Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty . For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed thr[...]

  • Seite 94

    MAIN TRANSFORMER AND OUTPUT CHOKE ASSEMBL Y REMOV AL AND REPLACEMENT PROCEDURE (continued) REMOV AL PROCEDURE 1. Remove input power to the TIG 225 machine. 2. Perform the SCR Bridge Assembly Removal Procedure. 3. Unsolder the two 1 15V AC leads and leads B231 and B232 from the main transformer leads. Label leads for reassembly . See wiring diagram.[...]

  • Seite 95

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-55 F-55 PRECISION TIG® 225 RETEST AFTER REP AIR Should a machine under test be rejected for any reason requiring the removal of any mechanical part that could af[...]

  • Seite 96

    Return to Section T OC Return to Section T OC Return to Section T OC Return to Section T OC Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC NOTES F-56 F-56 PRECISION TIG® 225[...]

  • Seite 97

    T ABLE OF CONTENTS - DIAGRAM SECTION G-1 G-1 Return to Master T OC Return to Master T OC Return to Master T OC Return to Master T OC PRECISION TIG® 225 E l e c t r i c a l D i a g r a m s ..................................................................... G - 1 W i r i n g D i a g r a m ( G 5 6 4 6 ) .............................................[...]

  • Seite 98

    ELECTRICAL DIAGRAMS G-2 PRECISION TIG® 225 WIRING DIAGRAM - COMPLETE MACHINE - ALL CODES (G5646) R CLEVELA N D , O HI O G5646 A S CR 4 S CR 2 S CR 1 D C B A R EAR GANG L1 ELEC TRO DE T3 NC N O MI CRO -SWI TC H T2 L2 L3 C3 S CR 3 H1 H G 311A 312A OP EN CLOS ED C LOS E D G4 216 G3 2 1 8 G2 G1 217 220 AC E F PC BO ARD CO NT R OL PC BOA RD D1 S2 SV1 G[...]

  • Seite 99

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRICAL DIAGRAMS G-3 PRECISION TIG® 225 SCHEMA TIC - COMPLETE MACHINE - ALL CODES (G5647) E N - 1 7 0 S O L I D E D G E E NGI N EE RI NG CO NT RO LLE D M A N U F A C T U RE R[...]

  • Seite 100

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRICAL DIAGRAMS G-4 PRECISION TIG® 225 SCHEMA TIC - CONTROL PC BOARD #1 (G5640) G-4 NOTE: This diagram is for reference only . It may not be accurate for all machines covere[...]

  • Seite 101

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRICAL DIAGRAMS G-5 PRECISION TIG® 225 SCHEMA TIC - CONTROL PC BOARD #2 (G5640) G-5 NOTE: This diagram is for reference only . It may not be accurate for all machines covere[...]

  • Seite 102

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRICAL DIAGRAMS G-6 PRECISION TIG® 225 SCHEMA TIC - CONTROL PC BOARD #3 (G5640) G-6 NOTE: This diagram is for reference only . It may not be accurate for all machines covere[...]

  • Seite 103

    NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric . This information is pro- vided for reference only . Lincoln Electric discourages board level trou[...]

  • Seite 104

    NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric . This information is pro- vided for reference only . Lincoln Electric discourages board level trou[...]

  • Seite 105

    Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRICAL DIAGRAMS G-9 PRECISION TIG® 225 SCHEMA TIC - BYP ASS PRINTED CIRCUIT BOARD (S22530) EN-164 S O L I D E D G E S22530- 1B0 BYPASS/ ST ABI L I Z ER BOAR D SCH EM AT I C [...]

  • Seite 106

    NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric . This information is pro- vided for reference only . Lincoln Electric discourages board level trou[...]