Lincoln Electric Flextec 350XP Operator's Manual
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Lincoln Electric Flextec 350XP Operator's Manual

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Operator's Manual
Flextec
Construction
Flextec 350X Construction
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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM10570
| Issue D ate Jul- 21
© Lincoln Global, Inc. All Rights Reserved.
350XP & Flextec 350X
®
Flextec 350XP
®
For use with machines having Code Numbers:
Flextec® 350XP:13067, 13069,
13071
Flextec® 350X Construction:
13066, 13068, 13070, 13073
Need Help? Call 1.888.935.3877
to talk to a Service Representative
Hours of Operation:
8:00 AM to 6:00 PM (ET) Mon. thru Fri.
After hours?
Use "Ask the Experts" at lincolnelectric.com
A Lincoln Service Representative will contact you
no later than the following business day.
For Service outside the USA:
Email: globalservice@lincolnelectric.com

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Summary of Contents for Lincoln Electric Flextec 350XP

  • Page 1 Operator’s Manual Flextec 350XP & Flextec 350X ® ® Construction For use with machines having Code Numbers: Flextec 350XP Flextec® 350XP:13067, 13069, 13071 Flextec® 350X Construction: 13066, 13068, 13070, 13073 Flextec 350X Construction Need Help? Call 1.888.935.3877 Register your machine: to talk to a Service Representative www.lincolnelectric.com/register...

  • Page 2: Safety Depends On You

    THANK YOU FOR SELECTING A QUALITY PRODUCT BY KEEP YOUR HEAD OUT OF THE FUMES. DON’T get too close to the arc. LINCOLN ELEC TRIC. Use corrective lenses if necessary to stay a reasonable distance away from the arc. READ and obey the Safety Data PLEASE EXAMINE CARTON AND EQUIPMENT FOR Sheet (SDS) and the warning label DAMAGE IMMEDIATELY...

  • Page 3: Section A: Warnings

    W117.2. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 2.d. All welders should use the following procedures in order to St. Clair Avenue, Cleveland, Ohio 44117-1199.

  • Page 4: Electric Shock Can Kill

    SAFETY ELECTRIC SHOCK ARC RAYS CAN BURN. CAN KILL. 3.a. The electrode and work (or ground) circuits are 4.a. Use a shield with the proper filter and cover plates to protect your electrically “hot” when the welder is on. Do eyes from sparks and the rays of the arc when welding or not touch these “hot”...
  • Page 5 SAFETY WELDING AND CUTTING CYLINDER MAY EXPLODE IF SPARKS CAN CAUSE DAMAGED. FIRE OR EXPLOSION. 7.a. Use only compressed gas cylinders containing the correct shielding gas for the process used 6.a. Remove fire hazards from the welding area. If and properly operating regulators designed for this is not possible, cover them to prevent the welding sparks the gas and pressure used.

  • Page 6: Electromagnetic Compatibility (Emc)

    2004/108/EC. It was manufactured in conformity with a national standard that implements a harmonized standard: EN 60974-10 Electromagnetic Compatibility (EMC) Product Standard for Arc Welding Equipment. It is for use with other Lincoln Electric equipment. It is designed for industrial and professional use. Introduction All electrical equipment generates small amounts of electromagnetic emission.
  • Page 7 SAFETY The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place. The surrounding area may extend beyond the boundaries of the premises. Methods of Reducing Emissions Public Supply System Welding equipment should be connected to the public supply system according to the manufacturer’s recommendations.
  • Page 8 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® TABLE OF CONTENTS...

  • Page 9: General Functional Description

    All of the models of Flextec 350XP come with CrossLinc® PROCESS LIMITATIONS technology for remote voltage setting, without a control cable, • The Flextec 350XP is only suitable for the processes listed. with CrossLinc® compatible feeders or remote controls. PRODUCT SPECIFIC INSTALLATION LIMITATIONS CrossLinc®...

  • Page 10: Design Features

    Transport - Reversible handles for ease of lifting. • CrossLinc® technology allows for remote control of the welding output using the weld cables rather than a control cable when connected to a CrossLinc® compatible wire feeder or remote control. * Flextec 350XP only...

  • Page 11: Installation

    LINC FEED SERIES LF-37, LF-38, (42VAC INPUTS ONLY)* LN-15 LF-45, LF-45S, LINC FEED SERIES (40VDC INPUTS)* LF-22M, LF- LINC FEED SERIES (ACROSS THE ARC INPUT) 24M, LF-24 PRO Supported with Flextec 350XP Standard model. Flextec 350X Construction model will not support.

  • Page 12: Input And Ground Connections

    The machine may topple over if this procedure is not followed. Lifting The Flextec 350XP has two handles that can be used to lift the machine. Both handles should be used when lifting the machine. When using a crane or overhead device to lift using the handles, a lifting strap should be connected to both handles.

  • Page 13: Technical Specifications

    K4271-2 Flextec 350X CONSTRUCTION - Tweco K4272-2 Flextec 350XP STANDARD - Tweco K4283-2 Flextec 350X CONSTRUCTION CE - Twist Mate K4284-2 Flextec 350XP CE - Twist Mate K3441-2 Flextec 350X CONSTRUCTION - Twist Mate K3442-2 Flextec 350XP - Twist Mate...
  • Page 14 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION PHYSICAL DIMENSIONS MODEL HEIGHT WIDTH DEPTH WEIGHT 74 LBS (33.6 KG) 17.0 IN (432 MM) 13.0 IN (330 MM) 27.0 IN (609 MM) All Models 79 LBS (35.8 KG) TEMPERATURE RANGES OPERATING TEMPERATURE STORAGE TEMPERATURE INSULATION CLASS...
  • Page 15 CrossLinc Communication Indicator: When green, the power 13. Power Switch: Controls input power to the Flextec 350XP. source is connected to a feeder via CrossLinc. 14. Output Control Dial: Sets the Output Current or Voltage for the Process Indicator LEDs: Red LEDs that indicate which of the selected Weld Process.
  • Page 16 6. Optional TIG Solenoid Outlet: Remove plug button to install 15. VRD LED Indicators K5527-1 TIG Solenoid Kit. 12-Pin Remote: Circular connector for attaching optional remote control devices. Positive and Negative Welding Output Connection Power Switch: Controls input power to the Flextec 350XP Construction.

  • Page 17: Case Back Controls

    FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION CASE BACK CONTROLS FIGURE A.2 1. USB-B Micro Connector: Remove cap and connect to computer to re-program machine software. Replace cap for environmental protection. 2. Input Cable: Comes with domestic and CE machines (not included for CCC model).
  • Page 18 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION FIGURE A.3 - DIP SWITCH LOCATION ON USER INTERFACE PCB...
  • Page 19 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION ANALOG WIRE FEEDER CONNECTIVITY Picture Function Wiring GROUND TRIGGER, COMMON TRIGGER INPUT 77 REMOTE POTENTIOMETER, 5K 14-PIN 76 REMOTE POTENTIOMETER, WIPER CONNECTOR FOR WIRE 75 REMOTE POTENTIOMETER, COMMON FEEDER VOLTAGE SENSE (21) CONNECTIVITY.

  • Page 20: Recommended Electrode And Work Cable Sizes For Arc Welding

    Connect the electrode and work cables between the appropriate Tabulated below are copper cable sizes recommended for output studs of the Flextec 350XP per the following guidelines: different currents and duty cycles. Lengths stipulated are the distance from the welder to work and back to the welder again.

  • Page 21: Remote Sense Lead Specifications

    ® INSTALLATION REMOTE SENSE LEAD SPECIFICATIONS Genuine Lincoln Electric control cables should be used at all times (except where noted otherwise). Lincoln Electric cables are the Flextec 350XP. Most are designed to be connected end-to-end for ease of extension. Generally, it is recommended that the total length not exceed 100 feet (30.5 m).

  • Page 22: Control Setting

    FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION CONNECTING LF-72 AND LF-74 TO THE FLEXTEC 350XP WIRE FEEDER 14-PIN CONTROL CABLE K1797-XX LF-72 FLEXTEC 350XP LF-74 ELECTRODE WORK CONTROL SETTING WELD MODE CV, CV-INNERSHIELD WELD TERMINALS REMOTELY CONTROLLED LOCAL...

  • Page 23: Wire Feeder

    FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION CONNECTING LN-10 AND DH-10 TO THE FLEXTEC 350XP WIRE FEEDER 14-PIN CONTROL CABLE K1501-XX LN-10 FLEXTEC 350XP DH-10 ELECTRODE WORK CONTROL SETTING WELD MODE CV, CV-INNERSHIELD WELD TERMINALS REMOTELY CONTROLLED REMOTE/LOCAL...
  • Page 24 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION CONNECTING LN-15 (K1870-1) TO THE FLEXTEC 350XP WIRE FEEDER LN-15 FLEXTEC 350XP ELECTRODE (K1870-1) WORK CLIP WORK CONTROL SETTING WELD MODE CV, CV-INNERSHIELD WELD TERMINALS REMOTE/LOCAL LOCAL VOLTMETER POLARITY PROCESS DEPENDENT...
  • Page 25 CONTROL SETTING WELD MODE CV, CV-INNERSHIELD WELD TERMINALS REMOTE/LOCAL LOCAL, OR REMOTE WHEN USING CROSSLINC VOLTMETER POLARITY PROCESS DEPENDENT CONNECTING LN-25 PRO DUAL POWER TO THE FLEXTEC 350XP WIRE FEEDER CONTROL CABLE K1797-XX LN-25 PRO DUAL POWER FLEXTEC 350XP ELECTRODE WORK...
  • Page 26 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® INSTALLATION CONNECTING ARCLINK FEEDER TO THE FLEXTEC 350XP WIRE FEEDER ARCLINK CABLE K1543-XX ARCLINK FEEDERS FLEXTEC 350XP ELECTRODE WORK CONTROL SETTING WELD MODE ARCLINK WELD TERMINALS REMOTE N.A. REMOTE/LOCAL N.A. VOLTMETER POLARITY N.A.

  • Page 27: Operation

    FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® OPERATION OPERATION POSITIVE OUTPUT SAFETY PRECAUTIONS NEGATIVE OUTPUT WARNING 3 PHASE INVERTER ELECTRIC SHOCK can kill. • UNLESS USING COLD FEED FEATURE, WHEN FEEDING WITH GUN TRIGGER, THE ELECTRODE INPUT POWER AND DRIVE MECHANISM ARE ALWAYS ELECTRICALLY ENERGIZED AND COULD REMAIN ENERGIZED SEVERAL SECONDS AFTER THE WELDING CEASES.

  • Page 28: Power-Up Sequence

    DUTY CYCLE cored gas shielded welding process. 4. CV-Innershield – This is a CV (constant voltage) weld mode The Flextec 350XP is capable of welding at a 100% duty cycle (continuous welding) at 300 Amps rated output. welding process The 60% duty cycle rating is 350 amps (based off of a ten minute cycle –...

  • Page 29: Weld Controls And Displays

    FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® OPERATION Volt Display Meter DEFINITION OF WELDING MODES meter displays desired preset voltage NON-SYNERGIC WELDING MODES value (+/- .1V). • A Non-synergic welding mode requires all welding process • Prior to STICK or TIG operation, the meter variables to be set by the operator.
  • Page 30 VRD Lights There are two indicator lights on the case front of the Flextec 350XP above the Voltage display to indicate the status of VRD operation. As shipped, the VRD function is disabled. VRD is enabled by setting dip switch number 5 to the on position on the User Interface P.C.

  • Page 31: Basic Modes Of Operation

    Output Control Hot Start - Hot start regulates the arc initiation current. A setting dial on the front of the Flextec 350XP. Set this switch to ‘Remote’ of +10 results in the most positive arc initiation.
  • Page 32 Output Control (-10) will result in a higher output that the intended preset value.). dial on the front of the Flextec 350XP. Set this switch to ‘Remote’ Hot Start - The Hot Start control regulates the starting current at when an external potentiometer/control is connected.
  • Page 33 Output Control • When set to the ‘ON’ position, the weld terminals are at OCV dial on the front of the Flextec 350XP. Set this switch to ‘Remote’ (open circuit voltage) and ready to weld. This selection is when an external potentiometer/control is connected or using a used for across the arc wire feeders.
  • Page 34 12-pin or 14-pin connectors), the output is controlled through the Output Control dial on the front of the Flextec 350XP. Set this switch to ‘Remote’ when an external potentiometer/control is connected or using a CrossLinc® feeder.
  • Page 35 This weld mode is intended to unlock basic non-synergic, synergic and pulse modes intended for use with compatible ArcLink wire feeders. All of the Flextec 350XP user interface controls are disabled in this mode and controlling the power source is accomplished from the wire feeder user interface.

  • Page 36: Optional Kits And Accessories

    DC welding power source and the work clamp. Weld Fume Control Solutions. Lincoln Electric offers a wide variety of welding fume control solutions, ranging from portable systems easily wheeled around the shop to shop-wide central systems servicing many dedicated welding stations.

  • Page 37: Current Calibration

    Before carrying out service, maintenance and/or minimum. repair jobs, fully disconnect power to the machine. 4. Turn on the Flextec 350XP. Use Personal Protective Equipment (PPE), including 5. The display should read “Cur CAL”. safety glasses, dust mask and gloves to avoid injury.
  • Page 38 2. Put dipswitch 1 in the on position. 3. Rotate the Hot Start knob and Arc Control knob to the minimum. 4. Turn on the Flextec 350XP. 5. The display should read “Cur CAL”. 6. Rotate the Arc Control knob until the display reads “Fct Cur”.

  • Page 39: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 40 Observe all Safety Guidelines detailed throughout this manual PROBLEM POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Major physical or electrical 1. Contact your local authorized Lincoln Electric damage is evident when the Field Service facility for technical assistance. sheet metal covers are removed.

  • Page 41: Using The Status Led To Troubleshoot System Problems

    FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual The status lights on the User Interface board, Crosslinc®, Input USING THE STATUS LED TO TROUBLESHOOT board, Control board and the Switch board are dual-color LED’s or SYSTEM PROBLEMS green LEDs.
  • Page 42 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® TROUBLESHOOTING ERROR DESCRIPTION POSSIBLE CAUSE CORRECTIVE ACTION CODE# DC Link Capacitor Over/Under The voltage on the main DC link Verify all three phases of the AC input are connected Voltage capacitors housed on the switchboard has either gone too high or too low If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
  • Page 43 FLEXTEC 350XP AND FLEXTEC 350X CONSTRUCTION ® ® DIAGRAMS WIRING DIAGRAM - CODE 13067, 13069, 13071...
  • Page 44 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® DIAGRAMS WIRING DIAGRAM - CODE 13066, 13068, 13070, 13073...
  • Page 45 FLEXTEC ® 350XP AND FLEXTEC 350X CONSTRUCTION ® DIAGRAMS DIMENSIONAL PRINT 26.70 13.32 23.92 TOP VIEW 16.59 3.14 17.90 1/4-20 THREAD .50 MAX DEPTH 3.70 (4 PLACES) 4.23 BOTTOM VIEW...
  • Page 46 WARNING Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. electrode with skin or wet clothing. Insulate yourself from work and AVISO DE ground. Spanish PRECAUCION No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja-...
  • Page 47 WARNING Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or Use ventilation or exhaust to guards off. remove fumes from breathing zone. AVISO DE Spanish PRECAUCION Los humos fuera de la zona de res- Desconectar el cable de ali- No operar con panel abierto o piración.
  • Page 48 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.

This manual is also suitable for:

Flextec 350x1306713069130711306613068 ... Show all

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