Page 2 - SAFETY; WARNING; Mar; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
FOR ENGINEpowered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors....
Page 3 - ii
ii SAFETY ii ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks andthe rays of the arc when welding or observingopen arc welding. Headshield and filter lensshould conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable...
Page 4 - iii
FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer ’ s recommendations. 8.c. Ground the equipment in...
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ
iv SAFETY iv PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les pr é cautions de s û ret é specifiques qui parraissent dans ce manuel aussi bien que les pr é cautions de s û ret é g é n é rales suiv- antes: Sûreté Pour Soudage A L’Arc 1. Protegez-vous ...
Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately
Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Save this manual an...
Page 7 - TABLE OF CONTENTS
vi TABLE OF CONTENTS Page Installation .......................................................................................................Section A Technical Specifications ........................................................................................A-1 Safety Precautions ...............
Page 8 - INSTALLATION; TECHNICAL SPECIFICATIONS -; INPUT AC VOLTAGE & DC OUTPUT; OUTPUT CABLES, CONNECTIONS AND LIMITATIONS
V350-PRO A-1 INSTALLATION A-1 TECHNICAL SPECIFICATIONS - INVERTEC V350-PRO INPUT AC VOLTAGE & DC OUTPUT Product Ordering Input AC Rated DC Output Output Weight Dimensions Name Information Voltage Amps/Volts/Duty Cycle Range with Cord HxWxD (continuous) K1728-1 Factory Factory 82.5lbs 200 350A / ...
Page 9 - SELECT SUITABLE LOCATION; DO NOT MOUNT OVER COMBUSTIBLE SURFACES.; SAFETY PRECAUTIONS; ELECTRIC SHOCK can kill.; CONNECTIONS OF WIRE FEEDERS TO V350-PRO; Advance Process; CAUTION
A-2 INSTALLATION A-2 SELECT SUITABLE LOCATION The Invertec V350-PRO will operate in harsh environ-ments. Even so, it is important that simple preventa-tive measures are followed in order to assure long lifeand reliable operation. • The machine must be located where there is free cir- culation of cle...
Page 10 - LN-742 Connection Instructions
A-3 INSTALLATION A-3 V350-PRO LN-7 Connection InstructionsA n L N - 7 c a n o n l y b e u s e d w i t h t h e “ F a c t o r y ” & “ Advance Process ” versions of the 350-Pro. • Turn the Invertec power switch "off". • Connect the K480 control cable from the LN-7 to the 115VAC 14-pin wire ...
Page 11 - QUICK DISCONNECT PLUGS; Slide rubber boot onto cable end. The boot end; PARALLEL OPERATION
A-4 INSTALLATION A-4 V350-PRO QUICK DISCONNECT PLUGS A quick disconnect system is used for the weldingcable connections. The welding plug included with themachine is designed to accept a welding cable size of1/0 to 2/0. 1. Remote 25mm (1 in.) of welding cable insulation. 2. Slide rubber boot onto ca...
Page 12 - OPERATION; OPERATIONAL FEATURES and CONTROLS:
B-1 OPERATION V350-PRO B-1 SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet clothing. • I n s u l a t e y o u r s e l f f r o m w o r k a n d ground. • Always wear dry insulating gloves. -------------------------------------------------...
Page 13 - Hidden Middle Control Panel; FIGURE 1
B-2 OPERATION B-2 For all versions, these trigger modes can be over-ridden(switched) with the WELD TERMINALS push button. Whenchanged, the unit will power up in the configuration it was inwhen it was last powered down. 5. THERMAL • This status light indicates when the power source has been driven in...
Page 15 - A. ADVANCED PROCESS PANEL; Constant Power mode; FIGURE 2
B-4 OPERATION B-4 7A. ADVANCED PROCESS PANEL (See Figure 2) To program Welding modes. Select knob is used toScroll through all Welding modes. The Memory buttonis used to store and access Welding modes into loca-tions M1 thru M8. Modes:In addition to the 5 welding modes described in SEC-TION 7, the A...
Page 16 - The MEMORY button and
B-5 OPERATION B-5 V350-PRO CONTROLS: (See Figure 2) The MEMORY button and SELECT knob are used together to select a welding process an store it in (M1thru M8). The SELECT knob scrolls through the, welding process modes and memory modes M1 thruM8. The MEMORY button stores the welding process in memor...
Page 18 - .030 Stainless Ar Blends; and; ARC CONTROL; features
B-7 OPERATION B-7 PULSE PROGRAMS: V350-PRO .030 Steel 65 - 1200 .035 Steel 55 - 800 .045 Steel 50 - 700 .052 Steel 75 - 550 .045 Metal Core 50 - 650 .052 Metal Core 50 - 500 .030 Stainless Ar Blends 85 - 770 .030 Stainless He Ar CO2 110 - 770 .035 Stainless Ar Blends 65 - 770 .035 Stainless He Ar CO...
Page 20 - DESIGN FEATURES and ADVANTAGES
B-9 OPERATION B-9 V350-PRO DESIGN FEATURES and ADVANTAGES • Multiple process DC output range: 5 - 425 amps • Presettable welding outputs. • Built-in Line Voltage Compensation holds the output constant over +/- 10% input fluctuations. • State of the art inverter technology yields high power efficienc...
Page 21 - ACCESSORIES; OPTIONS / ACCESSORIES
C-1 ACCESSORIES C-1 OPTIONS / ACCESSORIES CONSTRUCTION VERSION – K1728-2 • All welding modes for this model run with local out- put control and weld terminals ON (e.g. Stick, TIG,LN25 off the arc). K930-1 TIG Module K428,K446, K449 LN-25(Off the Arc) • Undercarriage – K1764-1 • Valet Style Undercarr...
Page 22 - MAINTENANCE; VISUAL INSPECTION; CAPACITOR DISCHARGE PROCEDURE
D-1 MAINTENANCE D-1 VISUAL INSPECTION Clean interior of machine with a low pressure airstream. Make a thorough inspection of all compo-nents. Look for signs of overheating, broken leads orother obvious problems. Many problems can beuncovered with a good visual inspection. ROUTINE MAINTENANCE 1. Ever...
Page 23 - TROUBLESHOOTING; Local Lincoln Authorized Field Service Facility; Step 3. RECOMMENDED COURSE OF ACTION; HOW TO USE TROUBLESHOOTING GUIDE
E-1 TROUBLESHOOTING E-1 V350-PRO If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUTION This Troubleshooting Guide...
Page 24 - PROBLEMS
E-2 TROUBLESHOOTING E-2 V350-PRO If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUTION Observe all Safety Guideli...
Page 26 - Observe all Safety Guidelines detailed throughout this manual; for technical troubleshooting assistance before you proceed.
E-4 TROUBLESHOOTING E-4 V350-PRO Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting ass...
Page 28 - DIAGRAMS; REMOTE CONTROL ADAPTERS
F-1 DIAGRAMS F-1 V350-PRO TURN THE POWER SWITCH OF THE WELDING POWER SOURCE "OFF" BEFORE INSTALLING PLUGS ON CABLES OR WHEN CONNECTING OR DISCONNECTING PLUGS TO WELDING POWER SOURCE. STRAIGHT PLUG (14 PIN) TO POWER SOURCE CABLE RECEPTACLE (6 SOCKET) CABLE RECEPTACLE (14 SOCKET) TO: 1) LN-7 W...
Page 31 - K867 UNIVERSAL ADAPTER / INVERTEC - CONNECTION DIAGRAM
F-4 DIAGRAMS F-4 V350-PRO N.A. WELDING CABLE MUST BE SIZED FOR CURRENT AND DUTY CYCLE OF APPLICATION. N.B. DIAGRAM SHOWS ELECTRODE POSITIVE. TO CHANGE POLARITY, TURN POWER "OFF", REVERSE ELECTRODE AND WORK CABLE AT POWER SOURCE. N.C. INSULATE EACH UNUSED LEAD INDIVIDUALLY. TO WORK - + 14 PIN...
Page 32 - K876 ADAPTER TO LN-25 - CONNECTION DIAGRAM
F-5 DIAGRAMS F-5 V350-PRO Only qualified persons should install, use or service this machine. using the disconnect switch at the fuse box WARNING Turn off input power to the Welding Power Source Before connecting the wire feeder. ELECTRIC SHOCK CAN KILL N.A. WELDING CABLE MUST BE SIZED FOR CURRENT A...
Page 34 - ram for a particular code is pasted inside; ENHANCED DIAGRAM
F-7 DIAGRAMS F-7 V350-PRO NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag ram 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 fo...
Page 35 - DIMENSION PRINT
F-8 DIAGRAMS F-8 V350-PRO 14.7 9 1 2.4 4 3.44 21.60 27.82 5.50 10.0 0 MOUNTING HOLE LOCATIONS M19527 13.1 0 1/4- 20 NUT (4 PLAC ES) NOTE: MOUNTING SCREWS CA 8/00 N NOT PROTR UDE MORE THAN 0.5 IN CHES INSIDE THE MACHINE. 11.8 4 3.50 DIMENSION PRINT
Page 36 - NOTES
Page 38 - ÇÃ
WARNING AVISO DE PRECAUCION ATTENTION WARNUNG ATEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BEUSED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS I...