Lincoln Electric POWERTEC 305C PRO Operator's Manual
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Lincoln Electric POWERTEC 305C PRO Operator's Manual

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IM3022
12/2020
REV06
POWERTEC 305C PRO, 355C PRO, 425C PRO
OPERATOR'S MANUAL
ENGLISH
Lincoln Electric Bester Sp. z o.o.
ul. Jana III Sobieskiego 19A, 58-260 Bielawa, Poland
www.lincolnelectric.eu

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  • Page 1 IM3022 12/2020 REV06 POWERTEC 305C PRO, 355C PRO, 425C PRO OPERATOR’S MANUAL ENGLISH Lincoln Electric Bester Sp. z o.o. ul. Jana III Sobieskiego 19A, 58-260 Bielawa, Poland www.lincolnelectric.eu...

  • Page 2: Table Of Contents

    12/05 THANKS! For having choosen the QUALITY of the Lincoln Electric products.  Please Examine Package and Equipment for Damage. Claims for material damaged in shipment must be notified immediately to the dealer.  For future reference record in the table below your equipment identification information. Model Name, Code & Serial Number can be found on the machine rating plate.

  • Page 3: Technical Specifications

    Technical Specifications NAME INDEX POWERTEC 305C PRO K14057-1 POWERTEC 355C PRO K14058-1 POWERTEC 425C PRO K14059-1A INPUT Input Voltage U EMC Class Frequency 305C PRO 230/400V ± 10% 355C PRO 50/60Hz 3-phase 425C PRO Input Power at Rated Cycle Input Amperes I cos φ...

  • Page 4: Eco Design Information

    Efficiency and idle power consumption: Efficiency when max power consumption Index Name Equivalent model / Idle power consumption K14057-1 POWERTEC 305C PRO 64 % / 35W No equivalent model K14058-1 POWERTEC 355C PRO 69,8 % / 35W No equivalent model...
  • Page 5 Typical gas usage for MIG/MAG equipment: DC electrode positive Wire Wire Feeding Gas flow Material type diameter Shielding Gas Current Voltage [m/min] [l/min] [mm] Carbon, low 0,9 ÷ 1,1 95 ÷ 200 18 ÷ 22 3,5 – 6,5 Ar 75%, CO alloy steel Aluminium 0,8 ÷...

  • Page 6: Electromagnetic Compatibility (Emc)

    WARNING This equipment complies with IEC 61000-3-12 provided that the short-circuit power S is greater than or equal to: POWERTEC 305C PRO: ≥ 1,7 MVA POWERTEC 355C PRO: ≥ 2 MVA POWERTEC 425C PRO: ≥...

  • Page 7: Safety

    Failure to follow the instructions in this manual could cause serious personal injury, loss of life, or equipment damage. Read and understand the following explanations of the warning symbols. Lincoln Electric is not responsible for damages caused by improper installation, improper care or abnormal operation.
  • Page 8 WELDING SPARKS CAN CAUSE FIRE OR EXPLOSION: Remove fire hazards from the welding area and have a fire extinguisher easily accessible. Welding sparks and hot materials from the welding process can easily go through small cracks and openings to adjacent areas. Do not weld on any tanks, drums, containers, or material until the proper steps have been taken to insure that no flammable or toxic vapors will be present.

  • Page 9: Introduction

    Normal operation may adversely affect POWERTEC 305C PRO, 355C PRO and 425C PRO can the operation of nearby radio controlled machinery, only be connected to a mating grounded receptacle. which may result in injury or equipment damage.
  • Page 10  5. WFS (Wire Feed Speed) Control Knob: Replace the left side panel. Depending on the work mode of the machine, this knob controls: Make sure that the amount of mains power available from the input supply is adequate for normal operation of the Enables correction speed...
  • Page 11 POWERTEC 305C PRO & 355C PRO SYNERGIC Figure 5. Figure 4. POWERTEC 425C PRO 6. EURO Socket: For connecting a welding gun (for GMAW, FCAW-GS / FCAW-SS process). 7. High Inductance Output Socket: For connecting a work lead. 8. Low Inductance Output Socket: For connecting a work lead.
  • Page 12 16. Cooler Power Supply Socket (only POWERTEC 425C 25. Terminal Block of Changing Polarity (for GMAW, PRO): For supplying the cooler unit only. FCAW-GS / FCAW-SS process): This terminal block enables to set the welding polarity (+ ; -), which will be given at the welding holder.
  • Page 13 Table 1. POSITIVE POLARITY NEGATIVE POLARITY (factory setting) 26. Cold Inch / Gas Purge Switch: This switch enables wire feeding or gas flow without turning on output voltage. 27. Gun Mode Switch: It enables selection of 2-step or 4- step gun mode. The functionality of 2T/4T mode is shown in the Figure8.
  • Page 14  Wire Spool Loading Unscrew the Locking Nut [35] and remove it from the Spindle [33]. Wire spool type S300 and BS300 cab be installed on the  Place the adapter of spool type S200 [37] on the wire spool support [23] without adapter. spindle [33] making certain the spindle brake pin [34] Wire spool type S200, B300 or Readi-Reel®...
  • Page 15  Place the spool type B300 [43] on the adapter [40]. WARNING Set one of the B300 inside cage wires [44] on the slot ® Position the spool type Readi-Reel so that it will rotate in [42] in the retaining spring tab [41] and slide the spool a direction when feeding so as to be de-reeled from onto the adapter.
  • Page 16 WARNING Changing Driving Rolls The welding machine supports all suitable shielding gases POWERTEC 305C PRO, 355C PRO & 425C PRO is at a maximum pressure of 5,0 Bar. equipped with drive roll V1.0/V1.2 for steel wire. For others wire sizes, is available the proper drive rolls kit (see WARNING "Accessories"...
  • Page 17 Welding GMAW, FCAW-GS, FCAW-SS Process WARNING POWERTEC 305C PRO, 355C PRO & 405C PRO can be Keep the gun cable as straight as possible when welding used to welding GMAW, FCAW-GS and FCAW-SS or loading electrode through cable. process in Manual Mode.
  • Page 18 Welding in Manual Mode Welding in Synergic Mode When the Control Knob [31] is set in "Manual" position, Synergic Mode enables welding GMAW and FCAW-GS welding in Manual Mode is possible. process according to Table 2. Manual Mode enables welding: Table 2.
  • Page 19 After each repair, perform proper tests to ensure safety. Figure 17. To safety transport and lift POWERTEC 305C PRO, 355C PRO & 425C PRO (see the Figure 17):  Use equipment of adequate capacity to lift and support unit.
  • Page 20 Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.

  • Page 21: Weee

    12/05 Part List reading instructions  Do not use this part list for a machine if its code number is not listed. Contact the Lincoln Electric Service Department for any code number not listed.  Use the illustration of assembly page and the table below to determine where the part is located for your particular code machine.

  • Page 22: Suggested Accessories

    ® K363P Adapter for spool type Readi-Reel WORK LEADS K14011-1 Work Lead 3m (POWERTEC 305C PRO) K14018-1 Work Lead 3m (POWERTEC 355C PRO & POWERTEC 425C PRO) LINC GUN K10413-24 Gas cooled gun LG 240 G (220A 60%) – 3m, 4m, 5m K10413-26 Gas cooled gun LG 260 G (260A 60%) –...

This manual is also suitable for:

Powertec 355c proPowertec 425c proK14057-1K14058-1K14059-1a

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