Lincoln FLEXTEC 450 Operator'S Manual Download

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B-3

OPERATION

B-3

RECOMMENDED PROCESSES AND
EQUIPMENT

RECOMMENDED PROCESSES

The Flextec™ 450 is designed for CC-SMAW, CC-GTAW
(lift tig), CV-GMAW, CV-FCAW-SS and CV-FCAW-GS
welding processes. CAG (arc gouging) is also supported.

PROCESS LIMITATIONS

The Flextec™ 450 is suitable only for the processes listed.

EQUIPMENT LIMITATIONS

Operating Temperature Range is -10° C to + 55° C.
Output De-rated at Temperatures above 40°C.

FLEXTEC™ 450

Note:

The Flextec™ 450 is not compatible with

115V

Wire Feeders.

K2882-2
K2327-5
K2149-1

K1842-10

3100211

Flextec™ 450

LF-72 Bench Model

Work Lead Package

10 Ft. Weld Power Cable

Harris Regulator and gas hose

Basic Package

K857

K857-1

K870

K963-3

Remote Output Control (25 feet)

Remote Output Control (100 feet)

Foot Amptrol

Hand Amptrol

Common Optional Kits

All Models

LF-72
LF-74

LN-10

DH-10

LN-25 Pro

Compatible Wire Feeders

COMMON EQUIPMENT PACKAGES

Summary of Contents for FLEXTEC 450

Page 1: ... Authorized Service and Distributor Locator www lincolnelectric com locator IM10062 C Issue Date Oct 13 Lincoln Global Inc All Rights Reserved For use with machines having Code Numbers 11626 11754 11941 12038 Save for future reference Date Purchased Code ex 10859 Serial ex U1060512345 ...

Page 2: ...the general area IN A LARGE ROOM OR OUTDOORS natural ventilation may be adequate if you keep your head out of the fumes See below USE NATURAL DRAFTS or fans to keep the fumes away from your face If you develop unusual symptoms see your supervisor Perhaps the welding atmosphere and ventilation system should be checked WEAR CORRECT EYE EAR BODY PROTECTION PROTECT your eyes and face with welding helm...

Page 3: ...ty guards covers and devices in position and in good repair Keep hands hair clothing and tools away from V belts gears fans and all other moving parts when starting operating or repairing equipment 1 e In some cases it may be necessary to remove safety guards to perform required maintenance Remove guards only when necessary and replace them when the maintenance requiring their removal is complete ...

Page 4: ...o ANSI Z87 I standards 4 b Use suitable clothing made from durable flame resistant material to protect your skin and that of your helpers from the arc rays 4 c Protect other nearby personnel with suitable non flammable screening and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal FUMES AND GASES CAN BE DANGEROUS 5 a Welding may produce fumes and g...

Page 5: ...h lifting chains crane cables or other alternate circuits This can create fire hazards or overheat lifting chains or cables until they fail 6 h Also see item 1 c 6 I Read and follow NFPA 51B Standard for Fire Prevention During Welding Cutting and Other Hot Work available from NFPA 1 Batterymarch Park PO box 9101 Quincy Ma 022690 9101 6 j Do not use a welding power source for pipe thawing CYLINDER ...

Page 6: ... Features B 2 Recommended Processes and Equipment B 3 Case Front Controls B 4 Power Up Sequence B 5 Case Back Controls B 5 Common Welding Procedures Weld Controls and Displays B 5 thru B 8 _______________________________________________________________________ Accessories Section C Options Accessories C 1 ________________________________________________________________________ Maintenance Section ...

Page 7: ...utput 95 Input Voltage 10 380 460 575 3 50 60 1 Cord and Fuse Sizes based upon the U S National Electric Code and maximum output for 40 C 104 ambient 2 Also called inverse time or thermal magnetic circuit breakers circuit breakers that have a delay in tripping action that decreases as the magnitude of current increases 3 Type SD cord or similar in 30 C ambient VOLTAGE 50 60Hz 380 3 50 460 3 60 575...

Page 8: ... RANGE Environmentally Hardened 14 F to 131 F 10 C to 55 C STORAGE TEMPERATURE RANGE Environmentally Hardened 40 F to 185 F 40 C to 85 C PROCESS GMAW CV GTAW CC SMAW CC FCAW GS CV FCAW SS CV OUTPUT RANGE AMPERES 40 500 10 500 15 500 40 500 40 500 OCV Uo 60 24 60 60 60 WELDING PROCESS IP23 155º F Insulation Class Weight does not include input cord Output De rated at Temperatures above 40 C ...

Page 9: ...E AT THE DISCONNECT SWITCH OR FUSE BOX BEFORE WORKING ON THIS EQUIPMENT TURN OFF THE INPUT POWER TO ANY OTHER EQUIPMENT CONNECTED TO THE WELDING SYSTEM AT THE DISCONNECT SWITCH OR FUSE BOX BEFORE WORKING ON THE EQUIP MENT DO NOT TOUCH ELECTRICALLY HOT PARTS ALWAYS CONNECT THE FLEXTEC 450 GROUND ING LUG LOCATED INSIDE THE RECONNECT INPUT ACCESS DOOR TO A PROPER SAFETY EARTH GROUND WARNING FLEXTEC 4...

Page 10: ...ER SUPPLY TERMINAL BLOCK Line Cord Cable attaches here A ground terminal marked with the symbol shown is provided separate from this block for connecting the ground lead of the line cord See your local and national electrical codes for proper grounding methods POWER SUPPLY ACCESS HOLE Route input power cable through this hole RECONNECT TERMINAL BLOCK FIGURE A 1 INPUT VOLTAGE SELECTION For codes 11...

Page 11: ... POWER SUPPLY TERMINAL BLOCK Line Cord Cable attaches here A ground terminal marked with the symbol shown is provided separate from this block for connecting the ground lead of the line cord See your local and national electrical codes for proper grounding methods RECONNECT TERMINAL BLOCK Reconnect auxiliary transformer for the proper input voltage BACK OF MACHINE POWER SUPPLY ACCESS HOLE Route in...

Page 12: ...unction 6 pin remote control con nector for remote or hand foot amptrol A E C F B D 6 PIN REMOTE CONTROL CONNECTOR Pin A B C D E F G H I J K L M N Wiring Ground Trigger Common Trigger input 77 Remote potentiometer 5K 76 Remote potentiometer wiper 75 Remote potentiometer common Voltage Sense 21 Motor 42 VAC Motor 42 VAC Function 14 pin con nector for wire feeder connectivity G F E M N D B A J I L K...

Page 13: ... the work ground connection CONTROL CABLE CONNECTIONS General Guidelines Genuine Lincoln control cables should be used at all times except where noted otherwise Lincoln cables are specifically designed for the communication and power needs of the Flextec 450 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...

Page 14: ...D LF 74 TO THE FLEXTEC 450 CONTROL SETTING 14 PIN CONTROL CABLE K1797 XX WIRE FEEDER ELECTRODE FLEXTEC 450 WORK LF 72 LF 74 WELD MODE WELD TERMINALS REMOTE LOCAL VOLTMETER POLARITY CV CV INNERSHIELD OFF LOCAL REMOTE IF K2329 1 INSTALLED PROCESS DEPENDENT ...

Page 15: ... 8 pole DIP switches near the top left corner of the LN 10 DH 10 Control P C board labeled S1 and S2 4 Switch settings are only programmed during input power up restoration Setting the DIP Switches The DIP switches are each labeled with an ON arrow showing the on direction for each of the 8 indi vidual switches in each DIP switch S1 and S2 The functions of these switches are also labeled and set a...

Page 16: ...1 1 WORK ELECTRODE FLEXTEC 450 WORK WORK CLIP WIRE FEEDER LN 15 K1870 1 CONTROL SETTING WELD MODE WELD TERMINALS REMOTE LOCAL VOLTMETER POLARITY CV CV INNERSHIELD OFF LOCAL PROCESS DEPENDENT CONTROL SETTING WELD MODE WELD TERMINALS REMOTE LOCAL VOLTMETER POLARITY CV CV INNERSHIELD OFF REMOTE PROCESS DEPENDENT CONNECTING LN 15 K1871 1 TO THE FLEXTEC 450 ...

Page 17: ...WORK CONTROL CABLE K1797 XX CONTROL SETTING WELD MODE WELD TERMINALS REMOTE LOCAL VOLTMETER POLARITY CV CV INNERSHIELD OFF LOCAL PROCESS DEPENDENT CONTROL SETTING WELD MODE WELD TERMINALS REMOTE LOCAL VOLTMETER POLARITY CV CV INNERSHIELD OFF REMOTE PROCESS DEPENDENT CONNECTING LN 25 PRO DUAL POWER TO THE FLEXTEC 450 CONTROL CABLE SETUP SHOWN REFER TO LN 25 PRO CONNECTION DIAGRAM IF SETTING UP ACRO...

Page 18: ...from the work and ground Always wear dry insulating gloves FUMES AND GASES can be dangerous Keep your head out of fumes Use ventilation or exhaust to remove fumes from breathing zone WELDING SPARKS can cause fire or explosion Keep flammable material away Do not weld on containers that have held combustibles ARC RAYS can burn Wear eye ear and body protection Observe additional guidelines detailed i...

Page 19: ...chine is 500 amps The Flextec 450 is also rated for Desert Duty ele vated temperature operation in a 55 C 131 F ambi ent The machine is output de rated for this applica tion DESIGN FEATURES Severe Duty Design for outdoor use IP23 rating Passive Power Factor Correction reliably gives 95 power factor for lower installation costs 89 Efficiency rating reduces electrical utility costs Simple user inter...

Page 20: ...emperature Range is 10 C to 55 C Output De rated at Temperatures above 40 C FLEXTEC 450 Note The Flextec 450 is not compatible with 115V Wire Feeders K2882 2 K2327 5 K2149 1 K1842 10 3100211 Flextec 450 LF 72 Bench Model Work Lead Package 10 Ft Weld Power Cable Harris Regulator and gas hose Basic Package K857 K857 1 K870 K963 3 Remote Output Control 25 feet Remote Output Control 100 feet Foot Ampt...

Page 21: ...e Switch 9 Arc Control Dial 10 Weld Terminals On Remote toggle selector switch FLEXTEC 450 1 16 3 4 5 6 7 8 9 10 11 12 13 14 15 2 FIGURE B 1 11 Wire feeder voltmeter polarity selection toggle switch 12 Circuit breaker reset button for the 14 pin wire feeder connector 13 14 pin wire feeder circular connector 14 6 pin remote circular connector 15 Positive and negative welding output studs 16 VRD Vol...

Page 22: ... weld process selector switch a hot start toggle output control dial and arc control dial are provided to setup and fine tune the welding procedure WELD CONTROLS AND DISPLAYS Weld Process Selector Switch 4 Position switch used to select the welding process Hot Start Toggle Switch The Hot Start control regulates the starting current at arc initiation Hot Start can be set to Off and no additional cu...

Page 23: ... mode is disabled and the Dip Switches are all in the off position To Enter VRD Mode VRD Enabled a For 380V input Switch 5 in the ON Position b For 460V input Switch 6 in the ON Position c For 575V input Switch 5 and 6 in the ON Position 1 2 3 4 5 6 7 8 ON OFF DIP SWITCH LOCATION CONTROL PCB CONTROL PCB LOCATION 1 2 3 4 5 6 7 8 ON OFF 1 2 3 4 5 6 7 8 ON OFF 1 2 3 4 5 6 7 8 ON OFF FIGURE B 3 ...

Page 24: ...d back on once the unit cools down to an acceptable tem perature level If the unit was operating in the REMOTE mode the trigger will need to be opened before or after the thermal has cleared and closed after the machine has cooled down to an acceptable temperature to establish output FLEXTEC 450 VRD VOLTAGE REDUCTION DEVICE INDICATOR LIGHT For Code 11941 only There are 2 indicator lights on the ca...

Page 25: ...he prior to operation characteristics The displays blink indicating that the machine is in the hold period Amperage Display Meter This display will display the pre set welding current when the machine is in the idle state While output is enabled the actual weld amperage is displayed After welding the meter holds the actual amperage value for 5 seconds Output adjustment while in the hold period res...

Page 26: ...g amperage When the Local Remote is set to Remote this dial sets the maximum welding amperage The remote potentiometer controls the amperage from minimum to this pre set maximum FLEXTEC 450 CV GAS This weld mode is a constant voltage CV mode featuring con tinuous control from 10 to 45 volts It is intended for the GMAW FCAW GS MCAW welding processes and arc gouging Hot Start Toggle to ON position t...

Page 27: ... amperage is displayed After welding the meter holds the actual amperage value for 5 seconds Output adjustment while in the hold period results in the prior to operation characteristics The displays blink indicating that the machine is in the hold peri od Voltage Display Meter This display will display the pre set welding voltage when the machine is in the idle state While output is enabled the ac...

Page 28: ...s 25 ft 7 6 m of remote current control for TIG welding 6 pin plug con nection Order K963 3 Arc Start Switch May be used in place of the Foot or Hand Amptrol Comes with a 25 ft 7 6m cable Attaches to the TIG torch for convenient finger control to start and stop the weld cycle at the current set on the machine Order K814 K1842 10 10ft Weld Power Cable Lug to Lug K3091 1 Multi Process Switch Inverte...

Page 29: ...quipment Do not touch electrically hot parts See additional warning information throughout this Operatorʼs Manual WARNING VISUAL INSPECTION Clean interior of machine with a low pressure air stream Make a thorough inspection of all compo nents Look for signs of overheating broken leads or other obvious problems Many problems can be uncovered with a good visual inspection ROUTINE MAINTENANCE 1 Every...

Page 30: ...LE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause generally it states to contact your local Lincoln Authorized Field Service Facility If you do not understand or are unable to perform the Recommended Course of Action safely contact your local Lincoln Authori...

Page 31: ... fault section for corrective action 2 If the thermal symbol is lit refer to the thermal section 3 If the output terminals are in remote control switch to ON and check for output voltage If output voltage is now present check for correct remote control connection and operation 1 Check for proper fan operation Check for material blocking intake or exhaust louvers Blow air in the rear louvers to cle...

Page 32: ...oard fatal Input Power Misconnect Supply Voltage is too high Input Power Misconnect Supply Voltage is too low Supply Voltage to the switch Printed Circuit Board is too low Check the input power voltage and fre quency Verify the primary reconnect is properly configured for the input voltage If condition persists contact an authorized Lincoln Field Service Shop Check input power voltage and frequenc...

Page 33: ...trols sequence of the welding operation halt ed due to an error Primary Over Current Thermal Fault VRD Voltage limit exceeded Communication Fault Check the input power voltage and fre quency Verify the primary reconnect is properly configured for the input voltage Machine shut off output due to elevated internal temperatures During OCV the voltage exceeded allow able VRD levels Verify dip switch s...

Page 34: ... when the supply voltage to the switch pcb exceeded accept able levels Occurs upon power up when the supply voltage to the switch pcb is below accept able levels The supply voltage to the switch pcb is below acceptable levels Verify the primary reconnect is properly configured for the input voltage Machine needs to be turned off and back on to reset Verify the primary reconnect is properly configu...

Page 35: ... may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram is illegible write to the Service Department for a replacement Give the equipment code number ...

Page 36: ... may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram is illegible write to the Service Department for a replacement Give the equipment code number ...

Page 37: ...may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram is illegible write to the Service Department for a replacement Give the equipment code number 3 ...

Page 38: ... may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram is illegible write to the Service Department for a replacement Give the equipment code number ...

Page 39: ...F 5 DIMENSION PRINT F 5 FLEXTEC 450 L15698 A 01 26 66 18 78 14 14 26 51 13 06 ...

Page 40: ...FLEXTEC 450 NOTES ...

Page 41: ...as an informative guide only It was accurate at the time of printing These pages are only updated on the Service Navigator DVD and in Lincoln Electricʼs official Parts Book BK 34 When ordering parts always refer to Lincoln Electricʼs official Parts Book BK 34 for the latest pages ...

Page 42: ...08 15 2012 FLEXTEC 450 P 652 A P 652 A ILLUSTRATION OF SUB ASSEMBLIES 5 4 1 2 3 ...

Page 43: ...ermine which sub assembly page and column the desired part is located on for your particular code machine P 652 A 1 P 652 A 1 Flextec 450 For Codes 11626 11754 11941 CODE NO 11626 1 1 1 1 1 11754 1 2 1 1 2 11941 2 3 2 2 3 Wraparound Assembly P 652 G 5 Case Back Assembly P 652 F 4 Base Center Assembly P 652 E 3 Divider Panel Assembly P 652 D 2 Case Front Assembly Door P 652 C 1 SUB ASSEMBLY PAGE NA...

Page 44: ...2 FLEXTEC 450 P 652 C P 652 C Case Front Assembly Door 1 4 6 16 16 16 16 9D 9D 9E 9E 2A 2A 24A 24A 3A 3A 11 11 12 12 21A 21A 22 22 14A 14A 14B 14B 14C 14C 13 13 13 13 8A 8A 8B 8B 3B 3B 7 5A 5A 9A 9A 5B 5B 9B 9B ...

Page 45: ...X X 9D Cap S17062 10 1 X X 9E Cap S17062 11 1 X X 10 Potted Control Harness Not Shown Includes L15824 1 1 X X R2 R3 Potentiometers Rotary Switch LED 11 Meter Board Assembly L10952 1 X X 12 Knob Large T10491 1 X X 12A O Ring Not Shown T13483 34 1 X X 13 Knob Small T13639 3 2 X X 13A O Ring Not Shown T13483 34 2 X X 14A Handle G6525 1 1 X 14A Handle G6525 3 1 X 14B Handle Support Bracket M22463 1 1 ...

Page 46: ...tes a change this printing P 652 C 2 ITEM DESCRIPTION PART NO QTY 1 2 3 4 5 6 7 8 9 P 652 C 2 Note When ordering new printed circuit boards indicate the dash number of the Old board that is to be replaced This will aid Lincoln in supplying the correct and latest board along with any necessary jumpers or adapters The dash number brackets have purposely been left blank so as to eliminate errors conf...

Page 47: ...FLEXTEC 450 NOTES ...

Page 48: ...5 2012 FLEXTEC 450 P 652 D P 652 D Divider Panel Assembly 1 1 7 7 8 10A 10A 21A 21A 24B 24B 24A 24A 10B 10B 3A 3A 13 13 5A 5A 5B 5B 5C 5C 11 11 6A 6A 9A 9A 23A 23A 23C 23C 23C 23C 23D 23D 22 22 17 17 4A 4A ...

Page 49: ...Self Tapping Screw Not Shown S9225 68 2 X X X 17 MOV Assembly S18491 1 1 X X X 20 Plug Lead Assembly Not Shown S18250 987 1 X 20 Plug Lead Assembly Not Shown S18250 995 1 X 21A Input P C Board Assembly M22618 1 X X 21B 10 24 HLN Not Shown T9187 13 2 X X 22 Capacitor Board Mounting Bracket L15928 1 X X 23A Resistor T8280 1 X 23B Plain Washer Not Shown S9262 27 2 X 23C Mounting Washer T9764 6 2 X 23...

Page 50: ...08 15 2012 FLEXTEC 450 P 652 E P 652 E Base Center Assembly 1 1 2A 2A 3A 3A 10A 10A 3A 3A 3B 3B 3D 3D 3E 3E 3F 3F 2B 2B 2C 2C 15A 15A 15B 15B 8A 8A 8B 8B 11A 11A 13A 13A 13D 13D 6A 6A 7A 7A 6B 6B ...

Page 51: ...Choke Assembly L15821 1 X X 8B Thread Forming Screw S9225 66 4 X X 8C Plain Washer S9262 98 4 X X Connects Choke Coil to Output Stud 9A Carriage Bolt Not Shown T11827 26 1 X X 9B Plain Washer Not Shown S9262 30 1 X X 9C Lock Washer Not Shown E106A 3 1 X X 9D 5 16 18 HN Not Shown CF000029 1 X X 10A Output Rectifier Sub Assembly L15816 1 X X 10B Self Tapping Screw Not Shown S9225 68 2 X X 11A Transf...

Page 52: ...08 15 2012 FLEXTEC 450 P 652 F P 652 F Case Back Assembly 4A 4A 4B 4B 3 1 2B 2B 8A 8A 12 12 11 11 2A 2A 8B 8B ...

Page 53: ... 10A Self Tapping Screw Not Shown S9225 68 2 X X 10B Plain Washer Not Shown S9262 183 2 X X 10C Self Tapping Screw Not Shown S9225 66 2 X X 11 Rating Plate S22752 21 1 X 11 Rating Plate S22752 26 1 X 12 Reconnect Decal S25909 1 X X 08 15 2012 FLEXTEC 450 Use only the parts marked x in the column under the heading number called for in the model index page Indicates a change this printing P 652 F 1 ...

Page 54: ...08 15 2012 FLEXTEC 450 P 652 G P 652 G Wraparound Assembly 1C 1C 1D 1D 1A 1A 1F 1F 10 10 2A 2A 9 6 5 8 7 ...

Page 55: ...8 X X X 5 Wiring Diagram G6890 1 X 5 Wiring Diagram G6890 1 1 X 5 Wiring Diagram G6890 5 1 X 6 Warranty Decal S22127 2 1 X X X 7 Green Initiative Decal S28039 2 1 X X X 8 Lincoln Logo Decal S27368 4 2 X X X 9 Flextec Decal M22461 2 X X X 10 Warning Decal M16196 1 X X X 08 15 2012 FLEXTEC 450 Use only the parts marked x in the column under the heading number called for in the model index page Indic...

Page 56: ...FLEXTEC 450 NOTES ...

Page 57: ...as an informative guide only It was accurate at the time of printing These pages are only updated on the Service Navigator DVD and in Lincoln Electricʼs official Parts Book BK 34 When ordering parts always refer to Lincoln Electricʼs official Parts Book BK 34 for the latest pages ...

Page 58: ...02 04 2013 FLEXTEC 450 P 732 A P 732 A ILLUSTRATION OF SUB ASSEMBLIES 5 4 1 2 3 ...

Page 59: ... the table below to determine which sub assembly page and column the desired part is located on for your particular code machine P 732 A 1 P 732 A 1 Flextec 450 For Code 12038 CODE NO 12038 1 1 1 1 1 Wraparound Assembly P 732 G 5 Case Back Assembly P 732 F 4 Base Center Assembly P 732 E 3 Divider Panel Assembly P 732 D 2 Case Front Assembly Door P 732 C 1 SUB ASSEMBLY PAGE NAME PAGE NO Sub Assembl...

Page 60: ... FLEXTEC 450 P 732 C P 732 C Case Front Assembly Door 1 2 7 18 18 18 18 10D 10D 10E 10E 4A 4A 26A 26A 5A 5A 12 12 13 13 24A 24A 25 25 3A 3A 3C 3C 3B 3B 14 14 14 14 9A 9A 9B 9B 5B 5B 8 6A 6A 10A 10A 6B 6B 10B 10B ...

Page 61: ...R3 Potentiometers Rotary Switch LED 12 Meter Board Assembly L10952 1 X 13 Knob Large T10491 1 X 13A O Ring Not Shown T13483 34 1 X 14 Knob Small T13639 3 2 X 14A O Ring Not Shown T13483 34 2 X 15 Noise Suppressor Assembly Not Shown S28393 1 1 X 18 Sealing Boot S22061 4 4 X 19 Plug Lead Assembly Not Shown S18250 994 1 X 23 Self Tapping Screw Not Shown S9225 68 2 X 24A Door G6879 1 X 24B Plain Washe...

Page 62: ...04 2013 FLEXTEC 450 P 732 D P 732 D Divider Panel Assembly 1 1 7 7 10A 10A 34B 34B 34A 34A 10B 10B 13 13 3A 3A 5B 5B 5C 5C 5A 5A 11 11 8 9A 9A 18A 18A 18C 18C 18D 18D 6A 6A 27 27 4A 4A 4B 4B 31A 31A 32 32 ...

Page 63: ...9 9 1 X 18A Reconnect Bracket L16310 1 X 18B Thread Forming Screw Not Shown S9225 65 2 X 18C Reconnect Panel M19656 1 X 18D Receptacle T14530 1 3 X 18E Reconnect Nameplate Not Shown S28845 1 X 25 Self Tapping Screw Not Shown S9225 68 2 X 27 MOV Assembly S18491 1 1 X 30 Plug Lead Assembly Not Shown S18250 995 1 X 31A Input P C Board Assembly M22618 1 X 31B 10 24 HLN Not Shown T9187 13 2 X 32 Input ...

Page 64: ...02 04 2013 FLEXTEC 450 P 732 E P 732 E Base Center Assembly 1 1 2A 2A 3A 3A 10A 10A 3A 3A 3B 3B 3D 3D 3E 3E 3F 3F 2B 2B 2C 2C 15A 15A 15B 15B 8A 8A 8B 8B 11A 11A 13A 13A 13D 13D 6A 6A 7A 7A 6B 6B ...

Page 65: ...d Forming Screw S9225 66 4 X 8C Plain Washer S9262 98 4 X Connects Choke Coil to Output Stud 9A Carriage Bolt Not Shown T11827 26 1 X 9B Plain Washer Not Shown S9262 30 1 X 9C Lock Washer Not Shown E106A 3 1 X 9D 5 16 18 HN Not Shown CF000029 1 X 10A Output Rectifier Sub Assembly L15816 1 X 10B Self Tapping Screw Not Shown S9225 68 2 X 11A Transformer Assembly G6453 1 X 11B Self Tapping Screw Not ...

Page 66: ...02 04 2013 FLEXTEC 450 P 732 F P 732 F Case Back Assembly 4A 4A 4B 4B 3 1 13 13 2A 2A 10B 10B 10A 10A 11A 11A 11B 11B ...

Page 67: ...ain Washer Not Shown S9262 183 2 X 8C Self Tapping Screw Not Shown S9225 66 2 X 10A Cord Grip Connector S19999 1 X 10B Nut T14370 3 1 X 11A Reconnect Cover S29455 1 X 11B Thread Forming Screw S9225 68 2 X 12 Grounding Decal Not Shown T13259 02 1 X 13 Rating Plate S22752 27 1 X 02 04 2013 FLEXTEC 450 Use only the parts marked x in the column under the heading number called for in the model index pa...

Page 68: ...02 04 2013 FLEXTEC 450 P 732 G P 732 G Wraparound Assembly 1C 1C 1D 1D 1A 1A 1F 1F 10 10 2A 2A 9 6 5 8 7 ...

Page 69: ... Screw Not Shown S9225 68 8 X 5 Wiring Diagram G6890 7 1 X 6 Warranty Decal S22127 2 1 X 7 Green Initiative Decal S28039 2 1 X 8 Lincoln Logo Decal S27368 4 2 X 9 Flextec Decal M22461 2 X 10 Warning Decal L8064 1 1 X 02 04 2013 FLEXTEC 450 Use only the parts marked x in the column under the heading number called for in the model index page Indicates a change this printing P 732 G 1 ITEM DESCRIPTIO...

Page 70: ...FLEXTEC 450 NOTES ...

Page 71: ...FLEXTEC 450 NOTES ...

Page 72: ...stomer s particular purpose with respect to such information or advice As a matter of practical consideration we also cannot assume any responsibility for updating or correcting any such information or advice once it has been given nor does the provision of information or advice create expand or alter any warranty with respect to the sale of our products Lincoln Electric is a responsive manufactur...

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