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Lincoln Electric SVM165-A инструкция обслуживания

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Похожие руководства по эксплуатации

Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации Lincoln Electric SVM165-A. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции Lincoln Electric SVM165-A или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции Lincoln Electric SVM165-A можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций Lincoln Electric SVM165-A, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции Lincoln Electric SVM165-A должна находится:
- информация относительно технических данных устройства Lincoln Electric SVM165-A
- название производителя и год производства оборудования Lincoln Electric SVM165-A
- правила обслуживания, настройки и ухода за оборудованием Lincoln Electric SVM165-A
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск Lincoln Electric SVM165-A это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок Lincoln Electric SVM165-A и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта Lincoln Electric, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания Lincoln Electric SVM165-A, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства Lincoln Electric SVM165-A, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции Lincoln Electric SVM165-A. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

  • Страница 1

    PO WER MIG ™ 350MP SER VICE MANUAL SVM165-A January . 2006 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 thought- ful operation on your part. DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THI[...]

  • Страница 2

    i i Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ENGINE powered equipment. 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 areas or [...]

  • Страница 3

    SAFETY ii ii Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ARC RA YS 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. I standards. 4.b. U[...]

  • Страница 4

    SAFETY iii iii POWER MIG 350MP Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ELECTRICALL Y powered equipment. 8.a. Turn 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 an[...]

  • Страница 5

    POWER MIG 350MP Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC iv SAFETY iv 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[...]

  • Страница 6

    6 6 MASTER T ABLE OF CONTENTS FOR ALL SECTIONS Page Safety .................................................................................................................................................i-iv Installation ............................................................................................................................. Se[...]

  • Страница 7

    A-1 A-1 T ABLE OF CONTENTS - INST ALLA TION SECTION - INSTALLATION ...................................................................................................................... Section A Technical Specifications ....................................................................................................... ......A-2 Safety Precauti[...]

  • Страница 8

    A-2 A-2 INST ALLA TION 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 Input Voltage/ 230Amps @ 300Amps @ 75°C Copper Wire Fuse Frequency (Hz) 29 Volts 32 Volts AWG (IEC) or (100% Duty Cycle) (60% Duty Cycle) Sizes (MM 2 ) Br[...]

  • Страница 9

    A-3 A-3 INST ALLA TION 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 ONL Y QUALIFIED PERSONNEL SHOULD INST ALL, USE OR SERVICE THIS EQUIP- MENT . UNCRA TING THE POWER MIG 350MP Cut banding and lift off cardboard carton. Cut [...]

  • Страница 10

    A-4 A-4 INST ALLA TION 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 FIGURE A.2 — RECEPTACLE DIAGRAM CONNECT TO A SYSTEM GROUNDING WIRE. SEE THE UNITED STATES NATIONAL ELECTRICAL CODE AND/OR LOCAL CODES FOR OTHER DETAILS A[...]

  • Страница 11

    A-5 GUN AND CABLE INST ALLA TION A Magnum 300 gun and 15Ft.(4.6m) cable (12Ft.(3.7m) for Codes 11000 and below) are provid- ed with the Power MIG 350MP. A Magnum cable liner for .035-.045" (0.9-1.2 mm) electrode and contact tips for .035” (0.9mm) and .045” (1.2mm) are included for 15Ft.. Turn the welder power switch off before installing g[...]

  • Страница 12

    A-6 A-6 POWER MIG 350MP 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 INST ALLA TION DO NOT ATTACH THE REGULATOR IF OIL, GREASE OR DAMAGE IS PRESENT! Inform your gas supplier of this condition. Oil or grease in the presence [...]

  • Страница 13

    POWER MIG 350MP Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-1 B-1 T ABLE OF CONTENTS - OPERA TION SECTION - Operation ............................................................................................................................... Section B Definitions of Welding Modes .......................[...]

  • Страница 14

    POWER MIG 350MP 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 B-2 B-2 OPERA TION COMMON WELDING ABBREVIA- TIONS WFS • Wire Feed Speed CC • Constant Current CV • Constant Voltage GMAW (MIG) • Gas Metal Arc Welding GMA[...]

  • Страница 15

    POWER MIG 350MP 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 B-3 B-3 OPERA TION PRODUCT DESCRIPTION The Power MIG 350MP is a complete semiautomatic multi-process DC arc welding machine offering CV and CC DC welding. It is r[...]

  • Страница 16

    POWER MIG 350MP 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 5. MULTI-PROCESS PANEL - This panel enables selection of weld modes as well as adjustment of certain weld parameters within each weld mode. The eight discrete LED[...]

  • Страница 17

    POWER MIG 350MP 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 B-5 B-5 OPERA TION SETTING AND CONFIGURING THE POWER MIG 350MP FOR WELDING • Check that the electrode polarity is correct for the process and turn the Power Swi[...]

  • Страница 18

    POWER MIG 350MP 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 B-6 B-6 OPERA TION MUL TI-PROCESS P ANEL FUNCTIONS Weld Mode Setting the Weld Mode is selecting the proper program from the ones available in the machine’s memo[...]

  • Страница 19

    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 B-7 B-7 OPERA TION POWER MIG 350MP Arc Control (See Table B.2) There are no specific unit values offered because the setting of this feature largely depends upon operator prefere[...]

  • Страница 20

    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 B-8 B-8 OPERA TION POWER MIG 350MP In the case of special waveforms designed for pulsed weld- ing aluminum, Pulse on Pulse ™ , the effect is similar to what occurs with standar[...]

  • Страница 21

    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 B-9 B-9 OPERA TION POWER MIG 350MP 5. Rotate the spindle and adapter so the retaining spring is at the 12 o'clock position. 6. Position the Readi-Reel so that it will rotate[...]

  • Страница 22

    POWER MIG 350MP 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 B-10 B-10 OPERA TION 4. Re-install the Retaining Collar. Make sure that the Release Bar “pops up” and that the collar retainers fully engage the retaining rin[...]

  • Страница 23

    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 B-11 B-11 OPERA TION POWER MIG 350MP SPECIAL WELDING PROCESSES AV AILABLE ON THE POWER MIG 350MP PULSE WELDING (GMA W-P) The pulsed-arc process is, by definition, a spray trans- [...]

  • Страница 24

    B-12 B-12 OPERA TION 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 POWER MIG 350MP PULSE-ON-PULSE™ (GMA W-PP) Pulse on Pulse™ is a Lincoln process specifically designed for use in welding relatively thin (less than 1/4&q[...]

  • Страница 25

    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 B-13 B-13 OPERA TION POWER MIG 350MP POWER MODE™ The Power Mode™ process was developed by Lincoln to maintain a stable and smooth arc at low procedure settings which are need[...]

  • Страница 26

    B-14 NOTES POWER MIG 350MP B-14 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[...]

  • Страница 27

    POWER MIG 350MP C-1 C-1 T ABLE OF CONTENTS - ACCESSORIES - Accessories ........................................................................................................................... Section C Drive Roll Kits .............................................................................................................................C-2 [...]

  • Страница 28

    C-2 C-2 ACCESSORIES POWER MIG 350MP DRIVE ROLL KITS Refer to Table C.1 for various drive roll kits that are available for the Power MIG. All items in Bold are supplied standard with the Power MIG. TABLE C.1 * .035 Aluminum recommended for Push-Pull systems only. 3/64" (1.2 mm) ALUMINUM FEEDING KIT (K2153-1) This kit helps push feeding aluminum[...]

  • Страница 29

    C-3 C-3 ACCESSORIES MIG 350MP does not control the WFS at the spool gun. Rather, it is adjusting the Power MIG 350MP synergic work point. Therefore, adjusting the SPD value will not change your actual WFS at the spool gun. WFS can only be changed at the spool gun. PUSH-PULL FEEDING CONNECTION ADAPTER KIT (K2154-1) The push-pull adapter kit provides[...]

  • Страница 30

    C-4 C-4 NOTES POWER MIG 350MP 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[...]

  • Страница 31

    POWER MIG 350MP D-1 D-1 T ABLE OF CONTENTS -MAINTENANCE- Maintenance .......................................................................................................................... Section D Safety Precautions & General Maintenance ...............................................................................D-2 Liner Removal and Re[...]

  • Страница 32

    MAINTENANCE D-2 D-2 POWER MIG 350MP 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 CONT ACT TIP AND GAS NOZZLE INST ALLA TION a. Choose the correct size contact tip for the elec- trode being used (wire size is stenciled on th[...]

  • Страница 33

    D-3 D-3 MAINTENANCE 5. Seat Liner bushing into back of gun. Secure Liner by tightening set screw. Do not install the gas dif- fuser at this time. 6 . Lay the cable straight and trim Liner to 9/16”. Remove burrs. 7. Secure the gas diffuser into the tube. 8. Tighten the set screw against the Liner. This screw should only be gently tightened. Over t[...]

  • Страница 34

    D-4 D-4 MAINTENANCE POWER MIG 350MP 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 1 2 6 5 3 4 1. Case Front Assembly 2. Center Assembly 3. Wire Drive Assembly 4. Base Assembly 5. Case Back Assembly 6. Cover Assembly[...]

  • Страница 35

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section E-1 Section E-1 POWER MIG 350MP Theory of Operation ............................................................................................................ .Section E General Description ..................................................................[...]

  • Страница 36

    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 GENERAL DESCRIPTION The Power MIG 350MP is a complete semiautomatic, multi-process DC arc welding machine offering CV and CC DC welding. It is rated for 350 amps, 32 volts, at 60[...]

  • Страница 37

    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 INPUT VOL T AGE AND MAIN TRANS- FORMER Single-phase input power is brought into the rear of the Power MIG 350MP through a three-prong plug and input cable. A reconnect panel, als[...]

  • Страница 38

    THEOR Y OF OPERA TION E-4 E-4 POWER MIG 350MP 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 OUTPUT RECTIFIER, CHOPPER ASSEMBL Y AND FEEDBACK The 60 V AC output from the main transformer sec- ondary is connected to an output [...]

  • Страница 39

    DIODE CONTROL RECTIFIER AND POWER BOARD The Power Board receives approximately 40 VDC from the Diode Control Rectifier . In turn, the Power Board supplies a variety of regulated DC voltages to the Weld Control Board, which it uses to power its many circuits and communication functions. The Power Board also supplies +20 VDC to the Chopper Assembly .[...]

  • Страница 40

    WELD CONTROL BOARD The Weld Control Board performs the primary interfac- ing functions to establish and maintain output control of the Power MIG 350MP machine. The function genera- tor and weld files reside within the Weld Control Board hardware and software. Digital command signals and feedback information from other machine components are receive[...]

  • Страница 41

    E-7 E-7 POWER MIG 350MP 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 WIRE DRIVE MOT OR AND FEED- BACK The Wire Drive Motor is controlled by the Feeder Board and the Weld Control Board. A motor speed feedback signal is gener[...]

  • Страница 42

    THERMAL PROTECTION T wo normally closed (NC) thermostats protect the machine from excessive operating temperatures. These thermostats are wired in series and are con- nected to the Weld Control Board. One of the ther- mostats is located on the Chopper Assembly Board, and one is on the secondary of the Main T ransformer . Excessive temperatures may [...]

  • Страница 43

    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 THEOR Y OF OPERA TION E-9 E-9 POWER MIG 350MP FIGURE E.8 – IGBT OPERA TION DRAIN SOURCE GATE  INJECTING LAYER BUFFER LAYER DRAIN DRIFT REGION BODY REGION p + n + n - p n + n[...]

  • Страница 44

    PULSE WIDTH MODULA TION The term PULSE WIDTH MODULA TION is used to describe how much time is devoted to conduction in the positive and negative portions of the cycle. Changing the pulse width is known as MODULA TION. Pulse Width Modulation (PWM) is the varying of the pulse width over the allowed range of a cycle to affect the output of the machine[...]

  • Страница 45

    CHOPPER TECHNOLOGY FUNDAMENT ALS The new era of welding machines such as the Power MIG 350MP employ a technology whereby a DC source is turned on and off (chopped up) at high speed, then smoothed through an inductor to control an arc. Hence the name “Chopper .” The biggest advantage of chopper technology is the high-speed control of the arc, si[...]

  • Страница 46

    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 NOTES E-12 E-12 POWER MIG 350MP[...]

  • Страница 47

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section F-1 Section F-1 POWER MIG 350MP T roubleshooting & Repair Section ................................................................................ Section F How to Use T roubleshooting Guide ...............................................................[...]

  • Страница 48

    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 HOW T O USE TROUBLESHOOTING GUIDE Service and repair should be performed by only Lincoln Electric Factory T rained Personnel. Unauthorized repairs performed on this equipment may[...]

  • Страница 49

    POWER MIG 350MP 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 TROUBLESHOOTING & REP AIR F-3 F-3 Sometimes machine failures appear to be due to PC Board failures. These problems can sometimes be traced to poor electrical [...]

  • Страница 50

    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 TROUBLESHOOTING & REP AIR F-4 F-4 POWER MIG 350MP If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the L[...]

  • Страница 51

    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 TROUBLESHOOTING & REP AIR F-5 F-5 POWER MIG 350MP TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual. If for any reason you do not under[...]

  • Страница 52

    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 TROUBLESHOOTING & REP AIR F-6 F-6 POWER MIG 350MP If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the L[...]

  • Страница 53

    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 TROUBLESHOOTING & REP AIR F-7 F-7 POWER MIG 350MP TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual. If for any reason you do not under[...]

  • Страница 54

    F-8 F-8 POWER MIG 350MP 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 TROUBLESHOOTING & REP AIR If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the L[...]

  • Страница 55

    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 TROUBLESHOOTING & REP AIR F-9 F-9 POWER MIG 350MP If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the L[...]

  • Страница 56

    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 TROUBLESHOOTING & REP AIR F-10 F-10 POWER MIG 350MP If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the[...]

  • Страница 57

    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 F-11 F-11 POWER MIG 350MP TROUBLESHOOTING & REP AIR If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the[...]

  • Страница 58

    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 F-12 F-12 POWER MIG 350MP TROUBLESHOOTING & REP AIR If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the[...]

  • Страница 59

    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 TROUBLESHOOTING & REP AIR F-13 F-13 POWER MIG 350MP If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the[...]

  • Страница 60

    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 TROUBLESHOOTING & REP AIR F-14 F-14 POWER MIG 350MP PUSH PULL WIRE FEEDING PROBLEMS ST ALL F ACTOR - an adjustment to the Power Mig 350MP that allows the welder to adjust the[...]

  • Страница 61

    F-15 F-15 POWER MIG 350MP 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 TROUBLESHOOTING & REP AIR If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely , contact the[...]

  • Страница 62

    CHOPPER BOARD CAP ACIT OR DISCHARGE PROCEDURE 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[...]

  • Страница 63

    TROUBLESHOOTING & REP AIR F-17 F-17 POWER MIG 350MP 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 CHOPPER BOARD CAP ACIT OR DISCHARGE PROCEDURE (continued) FIGURE F .1 – CHOPPER BOARD CAP ACITOR TERMINAL DISCHARGE PROC[...]

  • Страница 64

    MAIN TRANSFORMER TEST 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 pr[...]

  • Страница 65

    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 TROUBLESHOOTING & REP AIR F-19 F-19 POWER MIG 350MP MAIN TRANSFORMER TEST (continued) FIGURE F .2 – MAIN TRANSFORMER TEST POINT LOCA TIONS PROCEDURE The ON/OFF POWER SWITCH[...]

  • Страница 66

    CHOPPER BOARD TEST 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 preca[...]

  • Страница 67

    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 TROUBLESHOOTING & REP AIR F-21 F-21 POWER MIG 350MP CHOPPER BOARD TEST (continued) FIGURE F .3 – CHOPPER BOARD CONNECTIONS T able F .1– CHOPPER BOARD RESIST ANCE TEST T A[...]

  • Страница 68

    TROUBLESHOOTING & REP AIR F-22 F-22 POWER MIG 350MP 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 CHOPPER BOARD TEST (continued) FIGURE F .4 L1 1088-1 J6 PWM SIGNAL TEST 1. Locate 607 (7J6) and 615 (15J6) on the control [...]

  • Страница 69

    CONTROL RECTIFIER TEST 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 elec- trical shock, please observe all safety notes and[...]

  • Страница 70

    TROUBLESHOOTING & REP AIR F-24 F-24 POWER MIG 350MP 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 CONTROL RECTIFIER TEST (continued) FIGURE F .5 FIGURE F .6 - + CONTROL RECT IF IER + 6800/75 X6 X5 X4 X3 30 VA C 115 V AC [...]

  • Страница 71

    OUTPUT RECTIFIER ASSEMBL Y TEST 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 no[...]

  • Страница 72

    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 TROUBLESHOOTING & REP AIR F-26 F-26 POWER MIG 350MP OUTPUT RECTIFIER ASSEMBL Y TEST (continued) FIGURE F .7– OUTPUT RECTIFIER ASSEMBL Y LOCA TION TEST PROCEDURE 1. Disconne[...]

  • Страница 73

    WIRE DRIVE MOT OR AND T ACHOMETER FEEDBACK TEST 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 obser[...]

  • Страница 74

    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 TROUBLESHOOTING & REP AIR F-28 F-28 POWER MIG 350MP WIRE DRIVE MOT OR AND T ACHOMETER FEEDBACK TEST (continued) FIGURE F . 8 – PLUG J83 AND J84 LOCA TIONS ON FEEDER BOARD T[...]

  • Страница 75

    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 TROUBLESHOOTING & REP AIR F-29 F-29 POWER MIG 350MP WIRE DRIVE MOT OR AND T ACHOMETER FEEDBACK TEST (continued) TEST FOR SUPPL Y VOL T AGE T O T ACHOMETER AND FEEDBACK VOL T [...]

  • Страница 76

    ENCODER PC BOARD TEST 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 elec- trical shock, please observe all safety notes and [...]

  • Страница 77

    F-31 F-31 POWER MIG 350MP 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 TROUBLESHOOTING & REP AIR ENCODER PC BOARD TEST (continued) G3884 J82 3243 J85 858 857 855 851 1 8510 859 FIGURE F . 9 - FEEDHEAD P .C. BOARD TEST P[...]

  • Страница 78

    TROUBLESHOOTING & REP AIR F-32 F-32 POWER MIG 350MP 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 ENCODER PC BOARD TEST (continued) FROM LEAD TO LEAD EXPECTED VOL T AGE 855 3243 15 VDC 5J85 3J82 851 1 3243 0 OR 15 VDC 1 [...]

  • Страница 79

    CURRENT TRANSDUCER TEST 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 elec- trical shock, please observe all safety notes an[...]

  • Страница 80

    TROUBLESHOOTING & REP AIR F-34 F-34 POWER MIG 350MP 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 CURRENT TRANSDUCER TEST (continued) FIGURE F .10 L1 1088-1 J8 804 802 801 806 TEST PROCEDURE 1. Remove input power to the [...]

  • Страница 81

    TROUBLESHOOTING & REP AIR F-35 F-35 POWER MIG 350MP 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 CURRENT TRANSDUCER TEST (continued) T able F .2 – Current T ransducer Feedback V oltage OUTPUT LOAD CURRENT 500 450 400 [...]

  • Страница 82

    POWER MIG 350MP SCROLLING DASHES TEST 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 elec- trical shock, please observe all s[...]

  • Страница 83

    TROUBLESHOOTING & REP AIR F-37 F-37 POWER MIG 350MP 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 POWER MIG 350MP SCROLLING DASHES TEST (continued) TEST PROCEDURES: 1. Hold “select” switch up while powering up machin[...]

  • Страница 84

    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 TROUBLESHOOTING & REP AIR F-38 F-38 POWER MIG 350MP This is a typical DC output voltage waveform generated from a properly operating machine. Note that each vertical division[...]

  • Страница 85

    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 TROUBLESHOOTING & REP AIR F-39 F-39 POWER MIG 350MP SCOPE SETTINGS V olts/Div .....................20V/Div . Horizontal Sweep ..2.0 ms/Div . Coupling ........................[...]

  • Страница 86

    MOT OR & GEAR BOX ASSEMBL Y REMOV AL AND REPLACEMENT 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, ple[...]

  • Страница 87

    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 TROUBLESHOOTING & REP AIR F-41 F-41 POWER MIG 350MP MOT OR & GEAR BOX ASSEMBL Y REMOV AL AND REPLACEMENT (continued) REMOV AL PROCEDURE ELECTRIC SHOCK can kill . High vol[...]

  • Страница 88

    TROUBLESHOOTING & REP AIR F-42 F-42 POWER MIG 350MP 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 MOT OR & GEAR BOX ASSEMBL Y REMOV AL AND REPLACEMENT (continued) REPLACEMENT PROCEDURE 1. Bolt the wire drive assembly[...]

  • Страница 89

    TROUBLESHOOTING & REP AIR F-43 F-43 POWER MIG 350MP 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 MOT OR & GEAR BOX ASSEMBL Y REMOV AL AND REPLACEMENT (continued) FIGURE F .1 1 15 14 9 10 13 12 11 6 8 5[...]

  • Страница 90

    OUTPUT RECTIFIER REMOV AL AND REPLACEMENT 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 elec- trical shock, please observe a[...]

  • Страница 91

    TROUBLESHOOTING & REP AIR F-45 F-45 POWER MIG 350MP 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 OUTPUT RECTIFIER REMOV AL AND REPLACEMENT (continued) ELECTRIC SHOCK can kill . High voltage is present when input power i[...]

  • Страница 92

    TROUBLESHOOTING & REP AIR F-46 F-46 POWER MIG 350MP 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 OUTPUT RECTIFIER REMOV AL AND REPLACEMENT (continued) washers holding the rectifier bracket to the machine base. 10. Clear[...]

  • Страница 93

    CHOPPER BOARD ASSEMBL Y REMOV AL AND REPLACEMENT 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 elec- trical shock, please ob[...]

  • Страница 94

    TROUBLESHOOTING & REP AIR F-48 F-48 POWER MIG 350MP 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 CHOPPER BOARD ASSEMBL Y REMOV AL AND REPLACEMENT (continued) FIGURE F .13 – CHOPPER BOARD ASSEMBL Y DET AILS REMOV AL PR[...]

  • Страница 95

    TROUBLESHOOTING & REP AIR F-49 F-49 POWER MIG 350MP 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 CHOPPER BOARD ASSEMBL Y REMOV AL AND REPLACEMENT (continued) REPLACEMENT PROCEDURE 1. Attach the chopper assembly brackets[...]

  • Страница 96

    TROUBLESHOOTING & REP AIR F-50 F-50 POWER MIG 350MP 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 MAIN TRANSFORMER AND OUTPUT CHOKE REMOV AL AND REPLACEMENT Service and repair should be performed by only Lincoln Electric[...]

  • Страница 97

    REMOV AL PROCEDURE ELECTRIC SHOCK can kill . High voltage is present when input power is applied to the machine. Note: Cut cable ties as needed to improve access. PREP ARA TION 1. Disconnect main input power from the machine. 2. Remove the case side panels using a 3/8” nut dri- ver . 3. Perform the Chopper Board Capacitor Discharge Procedure . 4.[...]

  • Страница 98

    TROUBLESHOOTING & REP AIR F-52 F-52 POWER MIG 350MP 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 MAIN TRANSFORMER AND OUTPUT CHOKE REMOV AL AND REPLACE- MENT (continued) LEAD DISCONNECTION 8. Using a phillips head screw[...]

  • Страница 99

    TROUBLESHOOTING & REP AIR F-53 F-53 POWER MIG 350MP 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 MAIN TRANSFORMER AND OUTPUT CHOKE REMOV AL AND REPLACE- MENT (continued) FIGURE F .14 BACK BACK SIDE SIDE 5 12 12 11 1 1 8[...]

  • Страница 100

    TROUBLESHOOTING & REP AIR F-54 F-54 POWER MIG 350MP 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 F AN MOTOR ASSEMBL Y REMOV AL AND REPLACEMENT Service and repair should be performed by only Lincoln Electric factory trai[...]

  • Страница 101

    TROUBLESHOOTING & REP AIR F-55 F-55 POWER MIG 350MP 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 F AN MOTOR ASSEMBL Y REMOV AL AND REPLACEMENT (continued) FIGURE F .15 – F AN MOTOR ASSEMBL Y REMOV AL 6 4B 4A 6 5 REMOV[...]

  • Страница 102

    VOL T AGE & CURRENT CALIBRA TION PROCEDURE 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 elec- trical shock, please obse[...]

  • Страница 103

    TROUBLESHOOTING & REP AIR F-57 F-57 POWER MIG 350MP 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 VOL T AGE & CURRENT CALIBRA TION PROCEDURE (continued) CALIBRA TION CHECK The calibration of the Power MIG 350MP can b[...]

  • Страница 104

    TROUBLESHOOTING & REP AIR F-58 F-58 POWER MIG 350MP 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 VOL T AGE & CURRENT CALIBRA TION PROCEDURE (continued) 9. W ait for the machine’ s output to be automati- cally turn[...]

  • Страница 105

    RETEST AFTER REP AIR Retest a machine: • If it is rejected under test for any reason that requires you to remove any part which could affect the machine’s electrical characteristics. OR • If you repair or replace any electrical components. TEST MODE 5 INPUT IDLE W A TTS AND AMPS Input V olts/Hertz Maximum Idle W atts Maximum Idle Amps 230/60 [...]

  • Страница 106

    NOTES F-60 F-60 POWER MIG 350MP 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[...]

  • Страница 107

    G-1 ELECTRICAL DIAGRAMS G-1 T ABLE OF CONTENTS -ELECTRICAL DIAGRAMS SECTION- ELECTRICAL DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION G WIRING DIAGRAM (G4678) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Страница 108

    ELECTRICAL DIAGRAMS G-2 POWER MIG 350MP WIRING DIAGRAM - ENTIRE MACHINE EN -170 S O L ID E D G E G4678 P O W E R MI G 35 0 MP W I RI NG DI A G RA M NONE G4511 cstubl e J. SKE R B E C - UNLESS OTHERWISE SPEC IF I ED TOLERANCE MANUFACTURING TOL ERANCE PER E2056 ON 2 PLACE DEC IMALS IS ± .02 ON 3 PLACE DECIMA LS IS ± .002 ON AL L ANGLES IS ± .5 OF [...]

  • Страница 109

    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 POWER MIG 350MP SCHEMA TIC - ENTIRE MACHINE EN- 170 S O L I D E D G E G 4677 E NGINEERING CONTROLLED MANUFACTURE R: No CHANG E D ET AIL: REL EAS ED A.02 F[...]

  • Страница 110

    ELECTRICAL DIAGRAMS G-4 POWER MIG 350MP SCHEMA TIC - CONTROL PC BOARD (G3789-1E2/1) G-4 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 Retu[...]

  • Страница 111

    ELECTRICAL DIAGRAMS G-5 POWER MIG 350MP SCHEMA TIC - CONTROL PC BOARD (G3789-1E2/2) G-5 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 Retu[...]

  • Страница 112

    ELECTRICAL DIAGRAMS G-6 POWER MIG 350MP SCHEMA TIC - CONTROL PC BOARD (G3789-1E2/3) G-6 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 Retu[...]

  • Страница 113

    ELECTRICAL DIAGRAMS G-7 POWER MIG 350MP SCHEMA TIC - CONTROL PC BOARD (G3789-1E2/4) G-7 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 Retu[...]

  • Страница 114

    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 troub[...]

  • Страница 115

    ELECTRICAL DIAGRAMS G-9 POWER MIG 350MP SCHEMA TIC POWER SUPPL Y P .C. BOARD (G3631-3F0) G-9 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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[...]

  • Страница 116

    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 troub[...]

  • Страница 117

    ELECTRICAL DIAGRAMS G-11 POWER MIG 350MP SCHEMA TIC - CHOPPER P .C. BOARD (M20046-1M0) G-11 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 [...]

  • Страница 118

    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 troub[...]

  • Страница 119

    ELECTRICAL DIAGRAMS G-13 POWER MIG 350MP SCHEMA TIC - MSP3 PC BOARD (L1 1612-2D0) G-13 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 Retur[...]

  • Страница 120

    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 troub[...]

  • Страница 121

    ELECTRICAL DIAGRAMS G-15 POWER MIG 350MP SCHEMA TIC - FEEDER P .C. BOARD (G3883-1E0/1) G-15 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 [...]

  • Страница 122

    ELECTRICAL DIAGRAMS G-16 POWER MIG 350MP SCHEMA TIC - FEEDER P .C. BOARD (G3883-1E0/2) G-16 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 [...]

  • Страница 123

    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 troub[...]

  • Страница 124

    ELECTRICAL DIAGRAMS G-18 POWER MIG 350MP SCHEMA TIC - SPOOL GUN P .C. BOARD (L12008-2D0) G-18 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 TO[...]

  • Страница 125

    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 troub[...]

  • Страница 126

    ELECTRICAL DIAGRAMS G-20 POWER MIG 350MP SCHEMA TIC - DISPLA Y P .C. BOARD (L1 1756-1E1) G-20 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. 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 TO[...]

  • Страница 127

    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 troub[...]

  • Страница 128

    SVM ERROR REPORTING FORM We need to know if there are errors in our manuals. W e also value any suggestions as to additional tests or procedures that would make this SVM a better tool for you. If you discover new or different “Problems or Symptoms” that are not covered in the three col- umn troubleshooting chart, please share this information w[...]