Lincoln Electric SVM136-A User Manuals

Table of Contents

• Master TOC

  6
• Safety

  2
• Section A Installation

  7
• Section B Operations

  15
• Section C Accessories

  23
• Section D Maintenance

  31
• Section E Theory Of Operation

  35
• Section F Troubleshooting & Repair

  41
• Symptoms

  44
  • Major physical or electrical damage is evident when the sheet metal cover(s) are removed.

    44
  • Machine is dead - no output - no fan - no pilot light.

    44
  • The machine is dead - no output -no fan - the pilot light is on.

    44
  • The input contactor operates - the fan runs - the pilot light is on - but the machine has no welding output.

    45
  • The input contactor (CR1) chatters.

    45
  • The machine has high welding output and no control.

    46
  • The machine has minimum (or very low) welding output and no control.

    46
  • The machine does not have maximum output.

    47
  • The machine will not shut off when the power switch is put in the OFF position.

    47
  • The output terminals are always electrically “hot.”

    48
  • Poor arc characteristics.

    49
  • Poor arc striking with semiautomatic or automatic wire feeders.

    49
  • The welding arc is variable and sluggish.

    49