Lincoln LN-7 User Manual

RETURN TO MAIN MENUIM-267January, 1986OPERATING MANUALLN-7SEMIAUTOMATIC WIRE FEEDERThis manual covers equipment which is obsoiete and no ionger in pro

Sec. J2.3.2Connection Diagrams:LN-7 to Lincoln Power SourcesThe Lincoln Electric CompanyCleveland, Ohio 44117To an Idealarc R3S-250pow£g 5oue.ce5- 146

The Lincoln Electric CompanyCleveland, Ohio 44117Assembly and InstallationELECTRICAL INSTALLATION - CONT’DSec. J2.3.3Connection of LISI-7 to Other (No

Assembly and InstallationThe Lincoln Electric CompanyCleveland, Ohio 44117SEC. J2.5 OPTIONAL FEATURES INSTALLATIONSec. J2.5.3K-178 Mounting Platform —

The Lincoln Electric CompanyCleveland, Ohio 44117Operating InstructionsSEC J3 OPERATING INSTRUCTIONSSec. J3.1.1Adjusting Current and the VoltageUse o

Operating Instructionsare at the center of the slots in the carboard coil liner. This provides the positive compression of the coil needed for

The Lincoln Electric CompanyCleveland, Ohio 44117Maintenance InstructionsSEC. J6.1 WIRE FEEDER MAINTENANCEWARNING: Have a qualified electrician do the

OperationThe Lincoln Electric CompanyCleveland, Ohio 44117SEC J6.4 LN-7 SEQUENCE OF OPERATIONCloses 2-4pilot relay and/or I Energizes welder Contactor

The Lincoln Electric CompanyCleveland, Ohio 44117Maintenance InstructionsSEC J6.6 TROUBLESHOOTINGWARNING: Have a qualified electrician do the m

Sec. J7.2Page 109-CThe Lincoln Electric CompanyCleveland, Ohio 44117LN-7 WIRE FEEDERParts List P-109-CITEMPART NAME AND DESCRIPTIONNO.REQ’D.12Gun and

The Lincoln Electric CompanyCleveland, Ohio 44117Sec. J7.2Page 109-DCONTROL BOXParts List P-109-DITEMPART NAME AND DESCRIPTIONNO.REQ'D.ItemPART N

"7>Arc Welding Safety PrecautionsPROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. READ AND UNDERSTAND BOTH THE

Sec. J7.2Page 109-FThe Lincoln Electric CompanyCleveland, Ohio 44117WIRE DRIVE MECHANISMNOTE A; When ordering these parts, always specify wire size.So

The Lincoln Electric CompanyCleveland, Ohio 44117Sec. J7.3Page 103-FK-115 SQUIRTGUN AND CABLEUNozzleNozzle ^ linner ^Nozzle ^ insertInsertretainerLo

Sec. J7.3Page 103-J&KThe Lincoln Electric CompanyCleveland, Ohio 44117K-126 SQUIRTGUN AND CABLEK-126 - Parts List P-103-JITEMPART NAME AND DESCRIP

The Lincoln Electric CompanyQeveland, Ohio 44117Sec. J7.3Page 107-050 AND 60 # WIRE REEL SUPPORT/\Parts List P-107-0ITEMPART NAME AND DESCRIPTIONNO.RE

Sec. J7.3Page 107-PThe Lincoln Electric CompanyCleveland, Ohio 44117WIRE REEL SHAFTAPf>ty LINCOLN BEARING <M£ASt PER £-IU7 TO ALL MAT/N6 SURPACE

The Lincoln Electric CompanyCleveland, Ohio 44117M-12380 Wiring DiagramOPERATING SCHEMATICiPi*I81¡5«MlS:>Slitfii O fio «;5iiu$s!si 3;5V«» -U 5.11.7

M-12381 Wiring DiagramThe Lincoln Electric CompanyCleveland, Ohio 44117LN-7 CONNECTION SCHEMATICFor older machines built to Code 7024 only, request di

The Lincoln Electric CompanyCleveland, Ohio 44117M-12382 Wiring DiagramLN-7 WIRING DIAGRAMFor older machines built to Code 7024 only, request diagram

HOW TO ORDER REPLACEMENT PARTSOrder parts only from Lincoln offices or from the Authorized Field Service Shops iisted in the "Service Directory”

d. Do not heat, cut or weld tanks, drums or containers until the proper steps have been taken to insure that such procedures will not cause flam

Need Welding Training?The Lincoln Electric Company operates the oldest and most respected Arc Welding School in the United States at

The Lincoln Electric CompanyCleveland, Ohio 44117IndexSEC J1 INDEXSec. J2 INSTALLATION INSTRUCTIONSWire Feed Unit and Wire Reel...

-6-

The Lincoln Electric CompanyCleveland, Ohio 44117Assembly and Installationf ^SEC.J2.2 MECHANICAL INSTALLATIONSec. J2.2.1Wire Feed Unit and Wire ReelTh

Assembly and InstallationThe Lincoln Electric CompanyCleveland, Ohio 44117Sec. J2.2.3 Continued Gun Cable: LN-7 to GunLay the cable out straight.

The Lincoln Electric CompanyCleveland, Ohio 44117Assembly and InstallationSEC. J2.3 ELEaRICAL INSTALLATIONSec. J2.3.1Input Cable: LN-7 to Power Source