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Manual Lincoln Electric PRO-CUT 55 SVM140-A

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  • Lincoln Electric PRO-CUT 55 SVM140-A - page 1

    SVM140-A July , 2005 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 pr oper installation . . . and thoughtful operation on your part. DO NOT INST ALL, OPERA TE OR REP AIR THIS EQUIPMENT WITHOUT READ- ING THIS MANUAL AND THE SAFETY PRECAUTI ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 2

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC PRO-CUT 55 i SAFETY i PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJUR Y OR DEA TH. KEEP CHILDREN AW AY . P ACEMAKER WEARERS SHOULD CONSUL T WITH THEIR DOCTOR BEFORE OPERA TING. Read and understand the following safety highlights. For additional safety inform ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 3

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SAFETY ii ii PRO-CUT 55 FOR ELECTRICALL Y powered equipment. 6.a. T urn off input power using the disconnect switch at the fuse box before working on the equipment. 6.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 4

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC NOTES iii iii PRO-CUT 55 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 5

    MASTER T ABLE OF CONTENTS FOR ALL SECTIONS iv iv PRO-CUT 55 Page Safety .................................................................................................................................................i-iii Installation .................................................................................................................. ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 6

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC T ABLE OF CONTENTS - INST ALLA TION SECTION - Section A-1 Section A-1 PRO-CUT 55 Installation T echnical Specifications ....................................................................................................... ......A-2 Safety Precautions.............. ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 7

    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 A-2 A-2 PRO-CUT 55 TECHNICAL SPECIFICA TIONS - PRO-CUT 55 INPUT RA TINGS Single Phase Input Input Curr ents Rated Output Amps V oltage and Hertz 208/1/60 60 55 230 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 8

    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 A-3 A-3 PRO-CUT 55 TECHNICAL SPECIFICA TIONS (Cont’d) - PRO-CUT 55 GAS REQUIREMENTS Requir ed Gas Flow Rate Requir ed Gas Inlet Pr essur e 70 PSI @ 360 SCHF 80 t ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 9

    Read this entire installation section befor e you start installation. SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • T ur n the input power OFF at the disconnect switch or fuse box and dischar ge input capacitors before working inside the equip- ment. • Do not touch electrically hot parts or electrodes with your skin or wet clothing. • Always ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 10

    INPUT CONNECTIONS ELECTRIC SHOCK can kill. • Have a qualified electrician install and service this equipment. • T urn the input power off at the fuse box before working on this equipment. • Do not touch electrically hot parts. Before installing the machine, check that input supply voltage, phase, and frequency ar e the same as the machine’ ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 11

    RECONNECT PROCEDURE When received dir ectly from the factory , the machines are internally connected for 230 V AC. Reconnection will be necessary if a higher input voltage is used. T o r econnect the Pr o-Cut to 460 V AC or to connect back to 230 V AC, follow the dir ections as outlined below . Follow this procedur e ONL Y while the Pro-Cut is dis- ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 12

    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 A-7 A-7 PRO-CUT 55 GAS INPUT CONNECTIONS Supply the Pro-Cut 55 with clean compr essed air or nitrogen. • Supply pressur e must be between 80 psi and 150 psi. • ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 13

    OUTPUT CONNECTIONS TORCH CONNECTION The Pro-Cut 55 is supplied fr om the factory with a PCT 80 cutting torch. Additional cutting tor ches can be order ed from the K1571 series. Hand-held and mech- anized torches come with 25 or 50 foot cables. All torches ar e connected to the Pro-Cut with a quick connect at the case front for easy change over . Se ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 14

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section B-1 Section B-1 PRO-CUT 55 T ABLE OF CONTENTS - OPERA TION SECTION - Operation ............................................................................................................................... Section B Safety Instructions ..................... ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 15

    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 PRO-CUT 55 OPERA TING INSTRUCTIONS Read and understand this entire section of operating instructions before operating the machine. SAFETY INSTRUCTIONS ELECTRIC SHOCK can ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 16

    GENERAL DESCRIPTION The Pro-Cut 55 is an inverter based constant curr ent, continuous control plasma cutting power sour ce. It provides superior and r eliable starting characteristics, cutting visibility and arc stability . When cutting expanded metal, the Pro-Cut 55 out-performs the competition due to its quick, clean response to ar c transfers. T ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 17

    CUTTING CAP ABILITY The Pro-Cut 55 is rated at 55 amps, at 50% duty cycle on a 10 minute basis or 40 amps, at 100% duty cycle. If the duty cycle is exceeded, a thermal protector will shut off the output of the machine until it cools to the normal operating temperature. Figure B.1 shows the cut capacity of the Pr o-Cut 55 when cutting mild steel. Th ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 18

    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 OPERA TION B-5 B-5 PRO-CUT 55 CONTROLS AND SETTINGS FIGURE B.2 - CASE FRONT CONTROLS 1. OUTPUT CURRENT CONTROL KNOB 2. TORCH CONNECTOR 3. WORK CABLE 4. INPUT POWER SWITCH 5. GAS ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 19

    - The gas will immediately turn off. The pr essure gauge may show an increase in pr essure after the air turns off, but this is normal. Do NOT reset the pressur e while the air is NOT flowing. • When ready to cut, place the tor ch near the work, make certain all safety precautions have been taken and pull the trigger . - The air will flow for a p ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 20

    ELECTRIC SHOCK can kill. • T ur n of f machine at the disconnect switch on the front of the machine before tightening, cleaning or r eplac- ing consumables. - Check the conditions of the inside of the nozzle. If debris has collected, rub the electrode on the inside bottom of the nozzle to remove any oxide layer that may have built up. Refer to ? ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 21

    THICK SECTIONS OF MET AL Output set above mid-range. • The best quality and consumable life will be obtained by holding the torch of f the surface about 3/16 in. (4.7mm). T oo long an arc may compromise cut quality and consumable life. The nozzle should NOT be dragged on the work. • Use of the S22151 Drag Cup will maintain the prop- er standoff ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 22

    T ABLE OF CONTENTS - ACCESSORIES - Accessories ........................................................................................................................... Section C Options/Accessories...................................................................................................................C-2 Section C-1 Section C-1 PRO-CUT ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 23

    GENERAL OPTIONS / ACCESSORIES The following options/accessories are available for your Pro-Cut 55 fr om your local Lincoln Distributor . K1600-1 Undercarriage - A valet style under carriage with pull-out handle for machine only . Provides torch and work cable storage. S22147-043 - V ortech™ nozzle with an .043” (1.2 mm) Orifice S22147-068 - V o ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 24

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section D-1 Section D-1 PRO-CUT 55 T ABLE OF CONTENTS -MAINTENANCE- Maintenance ......................................................................................................................... Section D Safety Precautions.................................... ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 25

    ELECTRIC SHOCK can kill. • Have an electrician install and service this equipment. • T urn the input power off at the fuse box before working on equipment. • Do not touch electrically hot parts. • Prior to performing preventative maintenance, per- form the following capacitor dischar ge procedur e to avoid electric shock. INPUT FIL TER CAP ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 26

    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 MAINTENANCE D-3 D-3 PRO-CUT 55 ROUTINE MAINTENANCE 1. Keep the cutting or gouging area and the area around the machine clean and fr ee of combustible materials. No debris should ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 27

    1. Case Front 2. Case Back 3. Primary Power Board 4. Output Power Board Assembly 5. Control Boar d 6. Case Wrapar ound 7. Machine Base 8. Auxiliary T ransformer 9. Main T ransformer Maintenance D-4 D-4 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 28

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section E-1 Section E-1 PRO-CUT 55 Theory of Operation ............................................................................................................. Section E General Description ....................................................................... ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 29

    GENERAL DESCRIPTION The Pro-Cut 55 is a constant curr ent, continuous con- trol plasma cutting power sour ce. The inverter based power supply design is controlled by a micr oprocessor control boar d. The control system has a safety mech- anism to insure that the nozzle and electr ode are in place before cutting or gouging. The Pr o-Cut 55 initi- at ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 30

    PRECHARGE AND PROTECTION The input voltage is rectified by the input r ectifier . The r esultant DC voltage is applied, thr ough the reconnect switch, to the power board. The power boar d contains prechar ging cir cuitry for the safe charging of the input filter capacitors. Once the capacitors are pr echar ged and balanced the control boar d activa ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 31

    THEOR Y OF OPERA TION E-4 E-4 PRO-CUT 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 FIGURE E.4 – MAIN TRANSFORMER INPUT LINE SWITCH INPUT RECTIFIER FAN MOTORS "A" L E A D AUXILIARY TRANSFORMER OUTPUT CONTROL A ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 32

    OUTPUT BOARD AND TORCH The output board contains an Insulated Gate Bipolar T ransistor (IGBT) which, upon r eceiving a pilot signal from the control boar d, either enables or disables the current in the pilot winding. The cutting and pilot rectifier diodes ar e also incorporated in the output board. Ther e are two diodes for each of the secondary w ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 33

    CONTROL AND DISPLA Y BOARDS The control boar d receives status and analog feed- back signals from the output boar d, display board, power board and various sensors. The pr ocessor interprets these signals, makes decisions and changes machine mode and output to satisfy the requir ements as defined by the internal software. The control boar d r egula ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 34

    PROTECTION CIRCUITS Protection cir cuits are designed into the Pr o-Cut 55 machine to sense trouble and shut down the machine before the tr ouble damages internal machine compo- nents. Both overload and thermal protection cir cuits are included. OVERLOAD PROTECTION The Pro-Cut 55 is electrically pr otected from pr oduc- ing higher than normal outpu ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 35

    INSULA TED GA TE BIPOLAR TRANSISTOR (IGBT) OPERA TION An IGBT is a type of transistor . IGBT s are semicon- ductors well suited for high frequency switching and high current applications. Drawing A shows an IGBT in a passive mode. There is no gate signal, zero volts r elative to the source, and therefor e, no current flow . The drain terminal of th ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 36

    PULSE WIDTH MODULA TION The term PULSE WIDTH MODULA TION describes how much time is devoted to conduction in the posi- tive 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. MINIMU ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 37

    NOTES E-10 E-10 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 38

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Section F-1 Section F-1 PRO-CUT 55 Tr oubleshooting & Repair Section ................................................................................. Section F How to Use T roubleshooting Guide ................................................................... ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 39

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

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 40

    TROUBLESHOOTING & REP AIR F-3 F-3 PRO-CUT 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 Sometimes machine failures appear to be due to PC board failures. These problems can sometimes be traced to poor electrical conne ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 41

    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 PRO-CUT 55 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual. CAUTION If for any reason you do not un ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 42

    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 PRO-CUT 55 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual. CAUTION If for any reason you do not un ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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 TROUBLESHOOTING & REP AIR F-6 F-6 PRO-CUT 55 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual. CAUTION If for any reason you do not un ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 44

    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 PRO-CUT 55 TROUBLESHOOTING GUIDE Observe Safety Guidelines detailed in the beginning of this manual. CAUTION If for any reason you do not un ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 45

    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-8 F-8 PRO-CUT 55 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual. CAUTION If for any reason you do not un ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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 TROUBLESHOOTING & REP AIR F-9 F-9 PRO-CUT 55 Observe Safety Guidelines TROUBLESHOOTING GUIDE detailed in the beginning of this manual. CAUTION If for any reason you do not un ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 47

    TROUBLESHOOTING & REP AIR F-10 F-10 PRO-CUT 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 System is functional. If performance problems exist, see performance recommendations Replace the output board. Does arc go out ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 48

    NOTES F-11 F-11 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 49

    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-12 F-12 PRO-CUT 55 INPUT FIL TER CAP ACITOR DISCHARGE PROCEDURE W ARNING Service and repair should be performed by only Lincoln Electric factory t ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-13 F-13 PRO-CUT 55 ELECTRIC SHOCK can kill. • Have an electrician install and service this equipment. • T urn the input power off at the fuse ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-14 F-14 PRO-CUT 55 INPUT RECTIFIER TEST W ARNING Service and repair should be performed by only Lincoln Electric factory trained person- nel. Unau ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-15 F-15 PRO-CUT 55 INPUT RECTIFIER TEST (continued) TEST PROCEDURE 1. Remove main input power to the machine. 2. Perform the Input Filter Capacito ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-16 F-16 PRO-CUT 55 6. If the input r ectifier does not meet the accept- able readings outlined in T able F .1, the com- ponent may be faulty . Rep ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 54

    NOTES F-17 F-17 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-18 F-18 PRO-CUT 55 W ARNING PRIMAR Y POWER BOARD RESIST ANCE TEST AND CAP ACITOR VOL T AGE TEST Service and repair should be performed by only Lin ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-19 F-19 PRO-CUT 55 PRIMAR Y POWER BOARD RESIST ANCE TEST AND CAP ACITOR VOL T AGE TEST (continued) FIGURE F .3 – PRIMAR Y POWER BOARD REMOV AL P ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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 TROUBLESHOOTING & REP AIR F-20 F-20 PRO-CUT 55 PRIMAR Y POWER BOARD RESIST ANCE TEST AND CAP ACITOR VOL T AGE TEST (continued) TEST POINT TERMINALS ANALOG METER X10 RANGE + P ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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 TROUBLESHOOTING & REP AIR F-21 F-21 PRO-CUT 55 PRIMAR Y POWER BOARD RESIST ANCE TEST AND CAP ACITOR VOL T AGE TEST (continued) CAP ACITOR VOL T AGE TEST This test will help t ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-22 F-22 PRO-CUT 55 6. Check for the appropriate voltages outlined in T able F .3. NOTE: V oltages may vary with the input line voltage. NOTE: If t ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 60

    NOTES F-23 F-23 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 61

    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-24 F-24 PRO-CUT 55 W ARNING OUTPUT POWER BOARD RESIST ANCE TEST Service and repair should be performed by only Lincoln Electric factory trained pe ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 62

    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-25 F-25 PRO-CUT 55 OUTPUT POWER BOARD RESIST ANCE TEST (continued) FIGURE F .4 – OUTPUT POWER BOARD LEAD LOCA TIONS TEST PROCEDURE 1. Remove inp ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 63

    6. If any of the resistance checks are not corr ect, the output power board is faulty . Replace. See the Output Power Board Removal and Replacement Procedure. Note: Use D30 test point for boards G3326-2,3. 7. If the output power board “passes” the resistance test, the power diode and transistor portion of the board is good. However , other circ ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 64

    NOTES F-27 F-27 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-28 F-28 PRO-CUT 55 W ARNING TORCH CONTINUITY AND SOLENOID TEST Service and repair should be performed by only Lincoln Electric factory trained per ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 66

    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 PRO-CUT 55 TORCH CONTINUITY AND SOLENOID TEST (continued) TEST PROCEDURE 1. Remove input power to the Pro-Cut 55 machine. 2. Remove the to ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 67

    TROUBLESHOOTING & REP AIR F-30 F-30 PRO-CUT 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 TORCH CONTINUITY AND SOLENOID TEST (continued) 4. If any of the r esistance checks are not cor- r ect, the torch assembly may b ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 68

    NOTES F-31 F-31 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 69

    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-32 F-32 PRO-CUT 55 W ARNING AIR/GAS SOLENOID TEST Service and repair should be performed by only Lincoln Electric factory trained personnel. Unaut ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 70

    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-33 F-33 PRO-CUT 55 AIR/GAS SOLENOID TEST (continued) TEST PROCEDURE 1. Remove input power to the machine. 2. Perform the Input Capacitor Discharge ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 71

    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-34 F-34 PRO-CUT 55 W ARNING (T2) AUXILIAR Y TRANSFORMER TEST Service and repair should be performed by only Lincoln Electric factory trained perso ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-35 F-35 PRO-CUT 55 (T2) AUXILIAR Y TRANSFORMER TEST (continued) FIGURE F .8 – T2 AUXILIAR Y TRANSFORMER PLUG J22 PLUG J21 T2 AUXILIARY TRANSFORM ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 73

    7. If the correct test voltages ar e present, the auxiliary transformer is good. 8. If any of the voltages are missing or very low with the proper primary voltage applied, the auxiliary transformer may be faulty . 9. If the auxiliary transformer tests good but it does not function when connected to the Pro-Cut 55, check the harness wiring to the au ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 74

    NOTES F-37 F-37 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-38 F-38 PRO-CUT 55 W ARNING TRIGGER CIRCUIT TEST Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauth ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 76

    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 PRO-CUT 55 TRIGGER CIRCUIT TEST (continued) FIGURE F .9 – SIMPLIFIED TRIGGER CIRCUIT DIAGRAM (Later V ersions) 9 1 #4 #2 1J31 (1J38) 2J3 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 77

    9. With the torch trigger activated check the voltage at plug J32 pin-3 (lead#344) (posi- tive) to plug J32 pin-14 (lead#312) (nega- tive). Normal is less than 1 VDC. If more than 1 VDC is indicated, the power output board may be faulty . Release (deactivate) the torch trigger and r emove input power to the Pro-Cut 55. 10. Perform the Input Filter ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 78

    TROUBLESHOOTING & REP AIR F-41 F-41 PRO-CUT 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 TRIGGER CIRCUIT TEST (continued) G3326 PRO-CUT 55 OUTPUT LED1 C13 + LED2 D25 J32 J30 J31 LED4 LED3 LED5 LEAD#4 LEAD#2 LEAD#344 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 79

    CONTROL BOARD LED DEFINITIONS LED1: (Red) This light indicates that 18 V AC is being supplied to the control boar d from the auxiliary transformer . It also shows that the 18 V AC is being rectified and should be regulated to +15 VDC. This +15 VDC supply is used to power the circuitry on the contr ol board. LED2: (Red) This light indicates that the ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 80

    NOTES F-43 F-43 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 81

    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-44 F-44 PRO-CUT 55 W ARNING LOW VOL T AGE CIRCUIT TEST Service and repair should be performed by only Lincoln Electric factory trained personnel. ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 82

    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-45 F-45 PRO-CUT 55 FIGURE F .12 - LOW VOL T AGE CIRCUIT DIAGRAM #216 #219 15J40 10J40 6J2 9J2 #61 #62 #64 1J1 2J1 4J1 #54 #51 #56 #53 4J30 1J30 6J ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 83

    8. Check for the presence of +5 VDC on the control boar d. a. LED2 should be lit when +5 VDC is pre- sent. See Figure F .14. See Control Board LED Definitions and Figure F .12, Low V oltage Circuit Diagram. 9. Check for the presence of +15 VDC being applied to the display board fr om the control board. Y ou may have to remove the display board to c ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-47 F-47 PRO-CUT 55 FIGURE F .13 – OUTBOARD LOW VOL T AGE CIRCUIT TEST POINTS AND LEDs G3326 PRO-CUT 55 OUTPUT LED1 C13 + LED2 D25 J32 J30 J31 PI ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-48 F-48 PRO-CUT 55 LOW VOL T AGE CIRCUIT TEST (continued) CONTROL BOARD LED DEFINITIONS LED1: (Red) This light indicates that 18 V AC is being sup ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 86

    NOTES F-49 F-49 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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-50 F-50 PRO-CUT 55 W ARNING CONTROL BOARD REMOV AL AND REPLACEMENT Service and repair should be performed by only Lincoln Electric factory trained ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 88

    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-51 F-51 PRO-CUT 55 PROCEDURE 1. Remove input power to the Pro-Cut 55 machine. 2. Remove the wrapar ound cover and perform the Input Filter Capacit ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 89

    5. Locate the control boar d and the five molex type plugs connected to it. See Figure F .17. 6. Carefully remove the five molex type plugs by depressing the locking tabs and gently extracting the plugs from the P .C. board r eceptacles. 7. Using the needle-nose pliers and screwdriv- er , gently remove the contr ol board from the eight mounting pin ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 90

    NOTES F-53 F-53 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 91

    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-54 F-54 PRO-CUT 55 W ARNING DISPLA Y BOARD REMOV AL AND REPLACEMENT Service and repair should be performed by only Lincoln Electric factory traine ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 92

    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-55 F-55 PRO-CUT 55 PROCEDURE 1. Remove the input power to the Pr o-Cut 55 machine. 2. Remove the wrapar ound cover and perform the Input Filter Ca ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 93

    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-56 F-56 PRO-CUT 55 FIGURE F .20 – DISPLA Y BOARD REMOV AL CASE FRONT DISPLA Y BOARD DISPLA Y BOARD REMOV AL & REPLACEMENT (continued) 5. Loc ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 94

    NOTES F-57 F-57 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 95

    TROUBLESHOOTING & REP AIR F-58 F-58 PRO-CUT 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 W ARNING OUTPUT POWER BOARD REMOV AL AND REPLACEMENT Service and repair should be performed by only Lincoln Electric factory tr ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 96

    TROUBLESHOOTING & REP AIR F-59 F-59 PRO-CUT 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 FIGURE F .21 – OUTPUT POWER BOARD REMOV AL OUTPUT POWER BOARD OUTPUT POWER BOARD REMOV AL & REPLACEMENT (continued) PROCE ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 97

    TROUBLESHOOTING & REP AIR F-60 F-60 PRO-CUT 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 FIGURE F .22 – OUTPUT BOARD LEAD LOCA TIONS G3326 - [1 ] PRO-CUT 55 OUTPIUT x40 J33 J32 x20 x4 x2 B21 B1 B2 J31 J30 OUTPUT PO ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 98

    REPLACEMENT PROCEDURE 1. Apply a thin coating of Penetrox A-13 Electrical Joint Compound to the mating sur- faces of the output power board and the heat sink. Make sure the surfaces ar e clean. Do not allow the compound to get into the threaded holes or on the scr ew threads. Be sure to follow the r ecommended static-free methods for handling print ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 99

    TROUBLESHOOTING & REP AIR F-62 F-62 PRO-CUT 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 W ARNING PRIMAR Y POWER BOARD AND FIL TER CAP ACITOR REMOV AL AND REPLACEMENT Service and repair should be performed by only Li ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 100

    TROUBLESHOOTING & REP AIR F-63 F-63 PRO-CUT 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 FIGURE F .23 – PRIMAR Y POWER BOARD REMOV AL PRIMARY POWER BOARD WITH INPUT FIL TER CAP ACITORS PRIMAR Y POWER BOARD AND FIL ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 101

    TROUBLESHOOTING & REP AIR F-64 F-64 PRO-CUT 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 FIGURE F .24 – POWER BOARD HEA TSINK AND CAP ACITOR REMOV AL CAP ACITOR CLAMP 3/8" MOUNTING INSULA TOR (2) MOUNTING SCRE ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 102

    CAP ACITOR REMOV AL 1. Using the 3/8” wrench, r emove the four screws holding the heat sink assembly to the upper and bottom sections of the machine. See Figure F .24. 2. Remove the gas hose restraints fr om the bot- tom of the heat sink assembly . 3. Remove the two thermostat leads from the thermostat, which is located next to the upper capacito ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 103

    TROUBLESHOOTING & REP AIR F-66 F-66 PRO-CUT 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 W ARNING INPUT RECTIFIER BRIDGE REMOV AL AND REPLACEMENT Service and repair should be performed by only Lincoln Electric factor ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 104

    TROUBLESHOOTING & REP AIR F-67 F-67 PRO-CUT 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 FIGURE F .25 – INPUT RECTIFIER LEAD LOCA TIONS #207 #207A #209 A B C CAP HEAD MOUNTING SCREW INPUT RECTIFIER BRIDGE REMOV AL ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 105

    TROUBLESHOOTING & REP AIR F-68 F-68 PRO-CUT 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 INPUT RECTIFIER BRIDGE REMOV AL AND REPLACEMENT (continued) 7. Carefully r emove the input rectifier bridge. 8. When installing ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 106

    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-69 F-69 PRO-CUT 55 RETEST AFTER REP AIR Should a machine under test be rejected for any r eason requiring the r emoval of any mechanical part that ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 107

    NOTES F-70 F-70 PRO-CUT 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 108

    ELECTRICAL DIAGRAMS G-1 G-1 PRO CUT 55 Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Electrical Diagrams Section ..........................................................................................Section G Wiring Diagram (208V , 230V , 460V) (L10634) ...................................................... ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 109

    ELECTRICAL DIAGRAMS G-2 PROCUT 55 WIRING DIAGRAM - ENTIRE MACHINE WI R I NG DIAGRAM P RO-CUT 5 5 ELECTRICAL SYMBOLS PER E15 37 12 34 CONNECTOR CAVITY NUMBERING SEQUENCE (VIEWED FROM COMPONENT SIDE OF BOARD) NOTES: COLOR CODE: R = RED FOR THREE PHASE INPUT: CONNECT GREEN LEAD TO GROU ND PER NATIONAL ELECTRIC CODE. CONNECT BLACK, RED & WHITE LEAD ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 110

    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 PROCUT 55 SCHEMA TIC - PLASMA OUTPUT BOARD G-3 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 111

    ELECTRICAL DIAGRAMS G-4 PROCUT 55 SCHEMA TIC-POWER PC BOARD 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 Return to Master TOC ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 112

    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 PROCUT 55 PC BOARD ASSEMBL Y-DISPLA Y CAD Ch'ge. Sht. No. NO. DR. SCALE DATE CHK. SUBJECT SHT. EQUIP. SUP'S'D'G. CLEVELAND, OHIO U. S. ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 113

    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 PROCUT 55 SCHEMA TIC - DISPLA Y PC BOARD G-6 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 114

    ELECTRICAL DIAGRAMS G-7 PROCUT 55 SCHEMA TIC - CONTROL PC BOARD 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 Return to Master TOC ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 115

    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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 117

    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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 119

    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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 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 ...

  • Lincoln Electric PRO-CUT 55 SVM140-A - page 121

    SVM ERROR REPORTING FORM We need to know if there are errors in our manuals. We 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 wi ...

Manufacturer Lincoln Electric Category Welding System

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A complete manual for the device Lincoln Electric PRO-CUT 55 SVM140-A, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Lincoln Electric PRO-CUT 55 SVM140-A by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Lincoln Electric PRO-CUT 55 SVM140-A.

A complete Lincoln Electric manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Lincoln Electric PRO-CUT 55 SVM140-A - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Lincoln Electric PRO-CUT 55 SVM140-A, FAQ or common problems, i.e. places that are most often searched by users in each manual
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3. Tips how to use the basic functions of the device Lincoln Electric PRO-CUT 55 SVM140-A - which should help us in our first steps of using Lincoln Electric PRO-CUT 55 SVM140-A
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Lincoln Electric PRO-CUT 55 SVM140-A
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Lincoln Electric PRO-CUT 55 SVM140-A in a specific country, if it was not possible to solve the problem on our own.

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