Lincoln Electric 10645 Operator'S Manual Download Page 33

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• Sales 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 Products •

Summary of Contents for 10645

Page 1: ...IPMENT WITHOUT READ ING THIS MANUAL AND THE SAFETY PRECAUTIONS CON TAINED THROUGHOUT And most importantly think before you act and be careful 350 340 ELECTRIC LINCOLN MULTI WELD 350 EL EC TR IC LINCOL...

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: ...important when identifying the correct replacement parts On Line Product Registration Register your machine with Lincoln Electric either via fax or over the Internet For faxing Complete the form on t...

Page 7: ...ontrol of Paralleled Converters B 3 Transporting and Storage of the Multi Weld 350 B 4 Cable Handling B 4 Transporting B 4 Storage B 4 Protection Features B 4 Fan as Needed F A N B 4 Over Voltage Prot...

Page 8: ...DTH 10 0 in 254 mm DEPTH 21 5 in 546 mm NET WEIGHT 59 5 lbs 27 0 kg OPERATING TEMPERATURE RANGE 40 to 122 F 20 to 50 C STORAGE TEMPERATURE RANGE 40 to 185 F 40 to 85 C ELECTRICAL SPECIFICATIONS Output...

Page 9: ...eld 350 is a DC to DC converter which converts higher voltage lower current input power to lower voltage higher current output power with over 90 efficiency For example a single 600A continuous rated...

Page 10: ...shell attached with 1 4 steel threaded fasteners RECOMMENDED EQUIPMENT AND PROCESSES MULTI SYSTEM POWER SOURCE The Multi Source 40KW 80VDC buss power source K1752 1 is recommended for use in the Mult...

Page 11: ...OPTIONS The Multi Weld 350 is provided with a 6 pin remote receptacle to permit use with the 25ft 7 6 m K857 or 100ft 30 4 m K857 1 Remote Output Control options or with the LN 25 equipped with the K...

Page 12: ...the case of the Multi Weld 350 is isolated from all of the DC input and output welding terminals and is equipped with a grounding terminal screw 31 7 9mm marked with the symbol located on the bottom...

Page 13: ...ated quantity of Converters supplied by the input cable run to keep cable temperature and voltage drop within accept able limits See Table 1 DAISY CHAIN OPERATION FIXED PARALLEL OPERATION TO WORK TO P...

Page 14: ...the Multi Weld through the Work Clamp and to the Power Source through work connections Both cable sizes are the same with capacity as recommended for normal connection If the power source itself can n...

Page 15: ...ge Right is on for CV constant voltage welding mode Only VOLTS digital meter is lit displaying the preset voltage setting Output will be on at the output voltage setting 2 Output Control has 3 3 4 tur...

Page 16: ...y set or setup as desired with or without the hinged cover secured 7 Hot Start Control is provided to enhance arc start ing in both CC and CV modes with an extra output boost at the arc strike that re...

Page 17: ...ection must each be set up in the same manner in order to manage the arc current drawn from each 1 Set to CC mode with CC SLOPE switch set to STICK GOUGE 2 Preset Output Controls of both paralleled Co...

Page 18: ...will automatically reclose if the voltage drops back below During Over Voltage Shutdown the panel dis plays will be as appropriate for the non welding mode See FRONT PANEL CONTROLS in this section Whe...

Page 19: ...time the Imbalance Protector will also activate over temperature shut down to protect the higher current Chopper board from over heating Machines with code 11148 or higher which use the G4662 Periphe...

Page 20: ...accuracy of Actual VOLTS meter should be within 3 of the welding volts monitored The VOLTS meter trimmer R562 is located near the center of the Weld Control PC board just above the AMPS meter trim mer...

Page 21: ...ch individually plug to the Control PCB Interchangeable potted digital meters with front replaceable spatter shield lenses Harness lead receptacles that connect to Base Module harness lead plugs Tunne...

Page 22: ...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 generall...

Page 23: ...be too low 3 The power switch may be faulty 4 The DC Buss Power Supply PCB or its connections may be faulty 5 The Analog Control Power Supply PCB may be faulty 6 The Weld Control PCB may be faulty 1 I...

Page 24: ...control box plugs chopper boards plugs or Analog Control Power Supply PCB may be faulty 3 Inputs to Chopper PCB or Chopper PCB may be faulty 4 The Analog Control Supply PCB may be faulty 5 The connec...

Page 25: ...No control 1 The Analog Control Power Supply PCB or its connections may be faulty 2 The Weld Control PCB may be faulty 1 Fan does not normally run until machine is welding See Instruction Manual 1 Fa...

Page 26: ...Gauge position for Stick welding 2 Faulty CC Slope switch or con nections 3 Faulty Weld Control PCB 1 Check the CC Slope switch on the recessed panel it should be set at Pipe position 2 Faulty CC Slop...

Page 27: ...t 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 t...

Page 28: ...t 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 t...

Page 29: ...F 3 DIAGRAMS F 3 MULTI WELD 350 MULTI WELD 350 MULTI WELD 350 A 11321 DIMENSION PRINT MULTI WELD 350 CONVERTER...

Page 30: ...F 4 DIAGRAMS F 4 MULTI WELD 350 DIMENSION PRINT FOR DISTRIBUTION BOX M19448 C UF...

Page 31: ...d Entl ftung des Arbeitsplatzes G Mantenha seu rosto da fuma a G Use ventila o e exhaust o para remover fumo da zona respirat ria G Turn power off before servicing G Desconectar el cable de ali mentac...

Page 32: ...parts or electrode with skin or wet clothing G Insulate yourself from work and ground G No toque las partes o los electrodos bajo carga con la piel o ropa moja da G Aislese del trabajo y de la tierra...

Page 33: ...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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