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Lincoln Electric SVM176-A Service Manual

Portable innershield semiautomatic wire feeder

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RETURN TO MAIN MENU
RETURN TO M IN INDEX
LN-23P
Portable Innershield Semiautomatic Wire Feeder
9085
10242
10314
10892
10917
10918
11359
11360
11361
11362

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Summary of Contents for Lincoln Electric SVM176-A

  • Page 1 RETURN TO MAIN MENU RETURN TO M IN INDEX LN-23P Portable Innershield Semiautomatic Wire Feeder 9085 10242 10314 10892 10917 10918 11359 11360 11361 11362...
  • Page 6: Return To Main Menu

    RETURN TO MAIN MENU...
  • Page 19: Maintenance Section

    - MAINTENANCE SECTION - Maintenance ..........Section D Safety Precautions .
  • Page 20 1 4 5 IDLE ROLL TENSION ADJUSTING SCREW...
  • Page 23 - THEORY OF OPERATION SECTION - Theory of Operation ......... . . Section E General Description .
  • Page 24 VOLTMETER WIRE SPEED CONTROL 10KΩ, 4 W VOLTAGE CONTROL 10KΩ, 4 W LN-23P CONTROL P.C. BOARD 3.5 A CIRCUIT BREAKER 567A 8 PIN CONNECTOR G E C D 6 PIN CONNECTOR C B A ELECTRODE (-) WORK (+) REDUCED SPEED CONTROL 82V, 12J BLACK WHITE...
  • Page 25 VOLTMETER WIRE SPEED CONTROL 10KΩ, 4 W VOLTAGE CONTROL 10KΩ, 4 W LN-23P CONTROL P.C. BOARD 3.5 A CIRCUIT BREAKER 567A 8 PIN CONNECTOR G E C D 6 PIN CONNECTOR C B A ELECTRODE (-) WORK (+) REDUCED SPEED CONTROL 82V, 12J BLACK WHITE...
  • Page 27 604B RELAY P.C. BOARD INDICATES CONNECTOR CAVITY NUMBER "A" WIRE FEEDER A.N.S.I. ELECTRICAL SYMBOLS PER E1537 TERMINAL STRIP ICR & 2CR - 3 PDT, 24V.D.C. 604A 76A 76B 24V. CONTROL TRANSFORMER AMPHENOL "B" WIRE FEEDER TERMINAL STRIP COLOR LEGEND R=RED B=BLACK C(75) B(76)
  • Page 32 See the...
  • Page 34 check for 120vac at terminals #31 & #32.
  • Page 36: Troubleshooting And Repair

    WIRE FEEDER TEST (cont.) TEST PROCEDURE FIGURE F.1 FEEDER TEST SET-UP Potentiometer Test LN-23P 25vdc Supply Neg. Pos. Gun Test Feed Head Test. Calibration Check Ω Ω Ω...
  • Page 38 1/2 loop 14 Dia. loop 25vdc Supply Neg. Pos.
  • Page 40 LN-23P Control Board AMPS 12 Volt Supply...
  • Page 42 LN-23P Control Board Ω Ω Ω. Codes Below 10892 Codes 10892 & Above Ω Ω Ω Ω Ω.
  • Page 44: Control Transformer

    Control Transformer Wire Feed Terminal Strip A Wire Feed Terminal Strip B Switch B Switch A Control Terminal Strip 120vac...
  • Page 45 Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω...
  • Page 48 VOLTMETER WIRE SPEED CONTROL 10KΩ, 4 W VOLTAGE CONTROL 10KΩ, 4 W LN-23P CONTROL P.C. BOARD 3.5 A CIRCUIT BREAKER 567A 8 PIN CONNECTOR G E C D 6 PIN CONNECTOR C B A ELECTRODE (-) WORK (+) This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine. REDUCED SPEED CONTROL INDICATES CONNECTOR CAVITY No.
  • Page 49 This diagram is for reference only. It may not be accurate for all machines covered by this manual.
  • Page 50 This diagram is for reference only. It may not be accurate for all machines covered by this manual.
  • Page 51 This diagram is for reference only. It may not be accurate for all machines covered by this manual.
  • Page 52 This diagram is for reference only. It may not be accurate for all machines covered by this manual.
  • Page 53 Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician.
  • Page 54 Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician.
  • Page 55 This diagram is for reference only. It may not be accurate for all machines covered by this manual.

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Ln-23p