Lincoln Electric FlexCut 125 Operator'S Manual Download Page 1

Operator’s Manual

Register your machine:  

www.lincolnelectric.com/register

Authorized Service and Distributor Locator: 

www.lincolnelectric.com/locator

IM10300-A

 

|   Issue D ate 

Nov-16 

© Lincoln Global, Inc.  All Rights Reserved.

For use with machines having Code Numbers:

12478

Save for future reference 

Date Purchased

Code: (ex: 10859)

Serial: (ex: U1060512345)

FlexCut

125

Summary of Contents for FlexCut 125

Page 1: ...horized Service and Distributor Locator www lincolnelectric com locator IM10300 A Issue Date Nov 16 Lincoln Global Inc All Rights Reserved For use with machines having Code Numbers 12478 Save for futu...

Page 2: ...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 s...

Page 3: ...rs 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 case...

Page 4: ...to 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 su...

Page 5: ...nt passing through 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 N...

Page 6: ...ns Do not cut these metals unless all people subjected to the fumes wear proper air breathing equipment ELECTRIC SHOCK PREVENTION The system uses high open circuit voltages that can be fatal Extreme c...

Page 7: ...y Never attempt to use a cylinder that is leaking cracked or has other signs of physical damage All gas cylinders should be secured to a wall or rack to prevent accidental knock over If a compressed g...

Page 8: ...le from the American National Standards Institute 11 West 42nd Street New York NY 10036 10 ANSI Standard Z88 2 Respiratory Protection obtainable from the American National Standards Institute 11 West...

Page 9: ...quirements A 4 Connecting The Gas Supply A 4 Output Connections A 4 Operation Section B Controls And Settings B 2 User Interface B 3 Mechanized Cutting B 5 Cut Charts B 7 Consumable Life B 13 Cut Qual...

Page 10: ...operator can operate the machine at rated cutting current Example 60 duty cycle means that it is possible to cut for 6 minutes then the machine stops for 4 minutes Refer to the Technical Specification...

Page 11: ...plied with Machine STO 600V Type S SO ST STO or Extra Hard Usage Cord AWG IEC Sizes Input Supply Wires 8 8 4 mm2 1 Ground Wire 8 8 4 mm2 OUTPUT Current Range Open Circuit Voltage Pilot Current 20 125...

Page 12: ...e as compared with spark gap and solid state type high frequency generators Keep in mind though that these machines may be used in an environment where other high frequency generating machines are ope...

Page 13: ...th POWER CORD REPLACEMENT If the input cord is damaged or needs to be replaced the new cord should be routed through the strain relief and into the connection block See Figure A 1 Use a three phase su...

Page 14: ...air systems are prone to oil and moisture contamination If shop air is used it must be cleaned to ISO 8573 1 2010 Class 1 4 1 See the Maintenance Gas Supply Section for information on changing the in...

Page 15: ...rial away Do not weld cut or gouge on containers that have held combustibles ARC RAYS can burn Wear eye ear and body protection PLASMA ARC can injure Keep your body away from nozzle and plasma arc Ope...

Page 16: ...ne 6 On Off Switch Turns the input power to the machine ON OFF 7 Torch Connection Connect the torch 8 Work Lead Connection Connect cable with work clamp FIGURE B 3 Back Panel 9 Input Cord Strain Relie...

Page 17: ...e screen will display the actual cutting current in Amps Output current range is dependent on Mode selected Output Gas Pressure The output gas pressure is displayed on a linear scale with the center o...

Page 18: ...guage Choose between English Spanish French or German Units Choose between English or Metric units Reset Factory Settings Use to restore the machine back to the factory settings Brightness Used to dim...

Page 19: ...ring from the nozzle Contaminants such as dirt metallic dust oil and moisture present on the surface of the electrode and or torch body can cause electrical arcing between these components and ultimat...

Page 20: ...rcuit allows for triggering of the power source to commence cutting This circuit can be accessed through pins K and M of the 14 pin connector The circuit has a 15 VDC nominal open circuit voltage and...

Page 21: ...e when making a cut on a particular material type and thickness Small adjustments may have to be made to achieve the best cut Also remember that the arc voltage must be increased as the electrode wear...

Page 22: ...9 6766 56 8 4 6 8 4 676 87 8 85 6765 875 6786 56 8 6 8 67656 87 4 676 47 6746 4 8 5 66 8 4 67656 87 8 9 6784 74 67 6 896 856 46 8 9 6765 87 8 674 6 57 67 6 6785 78 854 856 6765 87 4 8 78 28 288 6 84 6...

Page 23: ...6765 475 6746 8 456 9 456 676 6 47 4 67498 79 6796 988 486 98 486 67656 478 4 67986 57 67 6 466 456 4 48 676 8 47 67 8 78 6756 88 458 6 45 676 8 979 4 9 67866 497 4766 8 45 8 45 676 6 97 8 67598 487 9...

Page 24: ...89 7 5 489 565 8 64 4 9 56 85 69 5695 495 48 4 48 565 5 6 7 567 8 68 56 5 8 4 5 459 48 565 8 694 4 56855 4 6 56 5 88 4 7 4 56455 689 8 56 8 486 4655 7 4 9 4 56458 6 7 9 56 85 4 64 4 95 4 56458 6 56 8...

Page 25: ...4 8 4877 78 8 6 4 9 4 9 78447 98 56 78 7 4 84 4897 4 64 4 7844 98 5 78 9989 48 9 4 6 4 7844 98 4 48777 9 86 9 4 9 9 4 7 78497 87 4 456 489 7 48 4 4 4 4 78497 87 5 9 89 0039 399 7 46 7847 98 6 7847 98...

Page 26: ...4 8 78 7 78 8 4 4 4 78497 87 56 78 7 4 84 4877 78 8 9 4 6 9 4 9 7849 89 5 78 9989 48 7 7867 4789 6 4 6 4 6 7849 89 4 48777 9 86 9897 786 478 9 4 7 67 4 784 7 8 4 456 489 7 48 4 4 7 4 784 7 8 4 459 48...

Page 27: ...crements until the proper cutting condition is obtained The following guidelines should be useful in determining which cutting parameter to adjust Before making any parameter changes verify that the t...

Page 28: ...which consumable parts need to be changed Inspect all parts for dirt or debris and clean as necessary 00 1 2 3 1 3 4 5 2 6 7 4 8 9 4 2 8 1 4 27 9 5 2 8 3 4 9 79 5 7 7 00 00 9 1 7 1 2 9 2 1 7 7 6 4 A B...

Page 29: ...head and will degrade cut quality Do not allow torch cable or body to contact hot surfaces 2 To improve consumable life here are some suggestions that may be useful Use only Lincoln consumable parts T...

Page 30: ...off and disconnect the Flexcut 125 from incoming power 2 Remove the left case side left side while viewing the front of the machine 3 Located in the lower left rear corner is the voltage divider board...

Page 31: ...125 Mechanized Torch 50 15m K4300 6 LC125 Mechanized Torch 75 22 5m K4302 2 LC125 Mechanized Consumable Starter Kit EXPENDABLE PARTS BK14300 1 Electrode BK14300 3 Shield Cap 45A 65A BK14300 4 Shield C...

Page 32: ...clean dry compressed air blow out all accumulated dust inside the machine Be sure to clean all printed circuit boards heatsinks power switch and fan In excessively dirty environments blow out the mach...

Page 33: ...ENDED COURSE OF ACTION This column provides a course of action for the Possible Cause generally it states to contact you local Lincoln Authorized Field Service Facility If you do not understand or are...

Page 34: ...that the consumables are properly installed Tighten retaining cap hand tight only and check that it touches the two pins extending down from the torch body The pins on the torch should extend and ret...

Page 35: ...er or air is not properly flowing through the torch Remove and replace the consumables checking for proper installation Check the electrode for structural damage If electrode is fine replace Front Iso...

Page 36: ...continuity Replace line switch if bad 3 Possible faulty Display Board 4 Possible faulty Auxiliary Transformer Check for status LED s on Display Board 1 Possible faulty Switch board Check for status L...

Page 37: ...y of the torch and exam ine all the connections 3 Check for proper CNC trigger operation Replace the trigger or cable if defective 4 Possible faulty Output board If all recommended possible areas of m...

Page 38: ...Control board 1 Check the torch consumables to be sure they are in tight not dirty or greasy and in good shape Replace if necessary 2 Make sure the air pressure is set correctly 3 Possible faulty Cont...

Page 39: ...Make sure work piece is clean and dry Remove any scale rust or dross 4 Check all connections to Output board 5 Possible faulty Output board If all recommended possible areas of mis adjustment have bee...

Page 40: ...1 TO EARTH GROUND PER THE NATIONAL ELECTRIC CODE BASE G H2 H1 0V 0V J20 3 J20 11 J23 J26 J23 3 U I BOARD J22 5 225 J22 6 226 J20 2 J20 1 J20 4 J20 12 J20 14 J20 15 J20 16 J20 9 J20 10 J20 8 J20 7 J20...

Page 41: ...F 2 DIAGRAMS FLEXCUT 125 EN 168 L16973 A 01 12 25 11 31 26 44 24 17 18 04 20 71...

Page 42: ...F 3 DIAGRAMS FLEXCUT 125 1 750 15 12 1 480 2 650 2 529 4 710 13 760 ALL DIMENSIONS ARE IN INCHES...

Page 43: ...Flexcut 125 12478...

Page 44: ...ITEMS AR 1 P 898 C CASE FRONT ASSEMBLY AR 2 P 898 D UPPER SHELF ASSEMBLY AR 3 P 898 E BASE ASSEMBLY AR 4 P 898 F HEATSINK ASSEMBLIES AR 5 P 898 G CASE BACK ASSEMBLY AR 6 P 898 H ROOF SIDES AR Index of...

Page 45: ...P 898 A jpg Index of Sub Assemblies 12478 2 Flexcut 125 12478 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 46: ...D LEAD ASBLY 1 9SS18250 1091 PLUG AND LEAD ASBLY 1 9SS18250 1092 PLUG AND LEAD ASBLY 1 9SS18250 1095 PLUG AND LEAD ASBLY 1 9SM25351 1 GROUND CLAMP ASSEMBLY 1 Miscellaneous Items Flexcut 125 12478 3 Pr...

Page 47: ...No Image Miscellaneous Items 4 Flexcut 125 12478 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 48: ...8 1 PRESSURE REGULATOR ASBLY 1 7A 9SM25689 1 PRESSURE REGULATOR 1 7B 9SS30229 2 PUSH IN FITTING 1 7C 9SS30229 13 PUSH IN FITTING 1 7D 9SS31648 1 HEX SOCKET PLUG 1 8 NPT 1 8 9ST10642 398 FLEX TUBE 1 9...

Page 49: ...P 898 C jpg Case Front Assembly 6 Flexcut 125 12478 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 50: ...AL 1 9SCF000010 10 24HN 2 9SE106A 1 LOCKWASHER 1 4 9SS9225 68 THREAD FORMING SCREW CUTTING 4 5A 9SS28841 GROUND LUG 1 9SS9225 45 THREAD FORMING SCREW 1 9ST9695 17 LOCKWASHER 1 9ST10728 77 FUSE 1 9ST13...

Page 51: ...TING 1 8 NPT TO 3 8 TUBE 1 14E 9SS31659 SOLENOID SPACER 1 14F 9SCF000417 4 40X2 00PPNHS 2 14G 9SS9262 39 PLAIN WASHER 4 9ST4291 B LOCKWASHER 2 9SCF000002 4 40HN 2 15 9SM25683 1 PRESSURE SENSE PC BD AS...

Page 52: ...P 898 D jpg Upper Shelf Assembly Flexcut 125 12478 9 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 53: ...SS9225 68 THREAD FORMING SCREW CUTTING 4 4A 9SG8580 SWITCHBOARD ASSEMBLY 1 4B 9SS9225 68 THREAD FORMING SCREW CUTTING 2 5A 9SL16608 1 OUTPUT BD HEATSINK ASSEMBLY 1 9SS9225 68 THREAD FORMING SCREW CUTT...

Page 54: ...P 898 E jpg Base Assembly Flexcut 125 12478 11 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 55: ...2 AIR DEFLECTOR 1 9SS25930 6 TORX BUTTON HEAD SCREW 1 4 20X 62 2 9SE106A 2 LOCKWASHER 2 6 9SG8447 1 OUTPUT PC BD ASBLY 1 6A 9SS29965 1 METRIC SEMS SCREW 20 9SS18250 1093 PLUG AND LEAD ASBLY 1 9ST13359...

Page 56: ...P 898 F jpg Heatsink Assemblies Flexcut 125 12478 13 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 57: ...LATOR 1 6B 9SS30229 3 PUSH IN FITTING 1 6C 9SS30229 11 PUSH IN FITTING ELBOW 1 6D 9SM25531 FILTER MOUNTING BRACKET 1 9ST9187 13 10 24HLN 1817 1 NYLON INSERT 3 7A 9SS19999 CORD GRIP CONNECTOR 1 7B 9ST1...

Page 58: ...15 9SM25530 RECONNECT COVER 1 16 9ST13259 2 GROUNDING DECAL 1 17 9SS9225 68 THREAD FORMING SCREW CUTTING 3 18 9SS31805 REGULATOR LOCK 1 19 9SS31806 FACTORY CALIBRATED DECAL 1 Case Back Assembly Flexcu...

Page 59: ...P 898 G jpg Case Back Assembly 16 Flexcut 125 12478 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 60: ...1 7A 9SL16920 RIGHT CASE SIDE 1 7B 9SM25585 1 DECAL 1 7C 9SS27368 4 DECAL LE LOGO 1 7D 9SS28039 2 DECAL GREEN INITIATIVE 1 7E 9ST10097 5 SPEED GRIP NUT RETAINER 1 7F 9SS9225 68 THREAD FORMING SCREW C...

Page 61: ...P 898 H jpg Roof Sides 18 Flexcut 125 12478 Printed 04 07 2016 at 08 32 05 Produced by Enigma...

Page 62: ...tion 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 o...

Reviews: