Lincoln Electric RED-D-ARC LN-25 PRO EXTREME Operator'S Manual Download Page 40 | Manualshive

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F-1

DIAGRAMS

F-1

LN-25™ PRO DUAL POWER

NOTE:

This diagram is for reference only. It 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 num

ber.

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Summary of Contents for RED-D-ARC LN-25 PRO EXTREME

Page 1: ...e ex 10859 Serial ex U1060512345 IM10079 Issue D ate 11 Aug Lincoln Global Inc All Rights Reserved For use with machines having Code Numbers 11749 11751 Register your machine www lincolnelectric com r...

Page 2: ...KER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy...

Page 3: ...r cooling 3 h Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welde...

Page 4: ...to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site special precautions should be used to prevent...

Page 5: ...opri s et non inflammables 4 Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pa...

Page 6: ...he situation with the technical assistance of the manufacturer In some cases this remedial action may be as simple as earthing grounding the welding circuit see Note In other cases it could involve co...

Page 7: ...ns Welding Cables The welding cables should be kept as short as possible and should be positioned close together running at or close to floor level Equipotential Bonding Bonding of all metallic compon...

Page 8: ...ly important when identifying the correct replacement parts CUSTOMER ASSISTANCE POLICY The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment consumab...

Page 9: ...CV and CC Arc Volts B 3 Constant Current Wire Welding B 4 Case Front Controls B 5 thru B 8 Internal Controls B 9 B 10 Rear Controls B 11 Gas Purge Pushbutton Flow Meter B 12 __________________________...

Page 10: ...Across the Arc configuration 15 110 VDC Control Cable configuration 24 42 VAC INPUT AMPERES 4A RATED OUTPUT 104 F 40 C DUTY CYCLE 60 rating INPUT AMPERES 450 GEARING WIRE FEED SPEED RANGE WIRE SIZE WF...

Page 11: ...put power OFF at the disconnect switch or fuse box before attempting to connect or disconnect input power lines out put cables or control cables Only qualified personnel should perform this installati...

Page 12: ...e power source is specially made for the welding envi ronment The wire feeder power requires overcurrent protec tion Connect the wire feeder only to power sources where the overcurrent protection is n...

Page 13: ...union nuts with a wrench 6 Before opening the cylinder valve turn the regulator adjusting knob counterclockwise until the adjusting spring pressure is released 7 Standing to one side open the cylinde...

Page 14: ...the thumb screw hole aligns with the thumb screw hole in the feed plate Slide the gun receiver bushing into the wire drive and verify the thumb screw holes are aligned 10 Tighten the socket head cap...

Page 15: ...dle adapter for loading 2 1 2 64mm wide spools 1 Squeeze the release bar on the retaining collar and remove it from the spindle 2 Place the spindle adapter on the spindle aligning the spindle brake pi...

Page 16: ...RO Dual Power PRO Dual Power European Drive Roll Kit Welding Gun CC power Source Welding Cables POWER SOURCE TO LN 25 PRO CABLE CONNECTION DIAGRAMS K K2614 6 8 KP1695 XX KP1696 XX KP1697 XX See magnum...

Page 17: ...agnum Literature K1803 XX Description LN 25 PRO Dual Power PRO Dual Power European Drive Roll Kit Welding Gun CC power Source Welding Cables Work clip Work Electrode LN 25 PRO DUAL POWER RANGER 250 25...

Page 18: ...ocal Switch in the Remote posi tion Place CV CC switch in the feeder in the CV position CV Power Source CV 305 CV 400 CV 655 DC 400 DC 655 V 350 V 450 Work Electrode Control Cable VANTAGE 300 400 500...

Page 19: ...us 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 ARC RAYS can burn Wear eye ear and...

Page 20: ...0 duty cycle rating these feeders are ready for heavy duty welding General Functional Description The LN 25 PRO DUAL POWER have adjustable WFS range for improving the knob sensitivity The low range is...

Page 21: ...ources 1 Set the Wire Feed Mode switch inside the LN 25 Pro to CC 2 Refer to the Figure B 1a graph for the setting for the wire feed speed knob setting Select the hori zontal line representing the Des...

Page 22: ...raises the voltage raising the wire feed speed lowers the voltage Lengthening the contact tip to work distance raises the voltage short ening the contact tip to work distance lowers the volt age If t...

Page 23: ...t display will show actual wire feed speed or amperage as indicated by the LED below the display The right display shows the arc voltage If the wire feeder is connected for electrode negative welding...

Page 24: ...w for procedure Arc Voltage Max WFS 15V 280 ipm 17V 340 ipm 21V 440 ipm 24V 520 ipm 27V 600 ipm 3 TRIGGER CONNECTOR See Installation Section for Details 4 WORK SENSE LEAD Always turn power off at the...

Page 25: ...Example 1 01 RUN IN Run in refers to the wire feed speed during the time from when the trigger is pulled to when an arc is struck When Run in is ON the wire feed speed is reduced until an arc is stru...

Page 26: ...d Press the set up button to exit the set up menu LN 25 PRO DUAL POWER Calibration Factor Example 1 05 LEFT DISPLAY SELECTION The left display can show either amperage or actual WFS during welding Not...

Page 27: ...er Interlock Switch 2 CV CC Switch 3 Pressure Adjustment Arm 4 Optional Timer Kit See Accessories Section 5 Spool Retainer 6 Spool Brake ITEM DESCRIPTION 1 9 8 7 6 3 2 7 Gun Bushing Thumb Screw and So...

Page 28: ...he wire feeder stops feed ing wire 2 CV CC SWITCH The CV CC switch sets the wire feed speed control method for the wire feeder In the CV position the wire feed speed remains constant during welding A...

Page 29: ...11 OPERATION B 11 REAR CONTROLS LN 25 PRO DUAL POWER 1 Gas Purge Pushbutton 2 Flowmeter 4 Control Cable 3 Shielding Gas 5 Electrode Lead electrode is a 4 0 cable ITEM DESCRIPTION 1 2 3 4 5 FIGURE B 5...

Page 30: ...40 scfh 11 8 18 9 lpm for sufficient shielding gas coverage Gun angle nozzle diameter joint configuration and wind conditions may effect the amount of shielding gas required When using a wire feeder...

Page 31: ...cable have lug connections Use for Pulse or STT welding Includes Twist Mate to Lug 2 0 cable 14 1 2m long with Ground Clamp and Twist Mate to Lug 2 0 Cable 9 2 7m long Includes Twist Mate to Lug 1 0 c...

Page 32: ...ontrol cable Includes Adapter control cable for connecting a Lincoln 42 VAC wire feeder to a 24 VAC Miller power source Requires the digital meter remote voltage control kit Includes 14 pin circular c...

Page 33: ...n connectors Magnum 200 300 400 guns and compatible with Tweco 2 4 Gun Receiver Bushing for guns with K613 7 Lincoln gun connec tors Magnum 550 guns and com patible with Tweco 5 Includes One 300 Amp G...

Page 34: ...Kit for European and Control cable mod els only Deluxe Adjustable Gas Regulator Includes Gun receiver bush ing with hose nipple set screw and hex key wrench Includes Gun receiver bushing with hose nip...

Page 35: ...onstant voltage DC welding power source DC 400 V 350 CV 400 or equivalent To verify the flow meter accuracy 1 Turn power OFF 2 Connect the LN 25 PRO DUAL POWER to the constant voltage DC welding power...

Page 36: ...Service Facility If you do not understand or are unable to perform the Recommended Course of Action safely contact your local Lincoln Authorized Field Service Facility HOW TO USE TROUBLESHOOTING GUIDE...

Page 37: ...term Err 82 Motor overload short term Description 1 The wire drive motor has over heated 1 The wire drive motor current draw has exceeded limits usually because the motor is in a locked rotor state P...

Page 38: ...The gun liner is dirty or worn 4 The electrode is rusty or dirty 5 The contact tip is partially melted or has spatter 6 Improper gun liner tip drive rolls and or inner wire guide 7 Incorrect tension...

Page 39: ...wire drive 3 The brushes on the motor are worn 1 The tachometer is connected improperly 2 The tachometer has failed 1 Wrong size worn and or melted contact tip 2 Worn work cable or poor work connectio...

Page 40: ...y It 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 writ...

Page 41: ...F 2 DIMENSION PRINT F 2 LN 25 PRO DUAL POWER 17 19 8 65 16 CIRCLE 12 x 18 ELLIPSE 23 17 14 81...

Page 42: ...h electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y...

Page 43: ...te Be und Entl ftung des Arbeitsplatzes Mantenha seu rosto da fuma a Use ventila o e exhaust o para remover fumo da zona respirat ria Turn power off before servicing Desconectar el cable de ali mentac...

Page 44: ...and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World s Leader in Welding and Cutting Pr...

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