14A-14 | Lincoln Electric SVM132-A manual

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A-14A-14

INSTALLATION

FIGURE A.10 – FOR POWER SOURCES OTHER THAN LINCOLN ELECTRIC

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WARNING

ELECTRIC

SHOCK

CAN KILL

TURN OFF INPUT POWER TO THE WELDING POWER SOURCE USING THE DISCONNECT SWITCH BEFORE WORKING

ON THIS EQUIPMENT.

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POWER SOURCE

INTERNALLY POWERED CONTACTOR

OUTPUT CONTACTOR COIL

ELECTRODE

FOR POWER TO

OPERATE CONTACTOR

POWER SOURCE

EXTERNALLY POWERED CONTACTOR

OUTPUT CONTACTOR COIL

(115 VAC)

ELECTRODE

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MAX. RATING OR LN-8 #2 TO #4 CIRCUIT IS 5 AMP 115 VAC OR

5 AMP 28 VDC 1/2 AMP 115 VDC

WORK

MAX. RATING OF LN-8		WORK
#2 TO #4 CIRCUIT IS
#2 TO #4 CIRCUIT IS
5	AMP 115 VAC
5	AMP 28 VDC


1/2 AMP 115 VDC

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																												GND

																										21

																								4

																							2

	TO 115 VAC 350																		31
																			31

VOLT-AMP CAPACITY																	32
VOLT-AMP CAPACITY																	32

				TAPE UP											75
															75

														76																		TO
			EACH LEAD											76

													77
													77																			WORK
	TO LN-8 CIRCUIT												INPUT																			WORK
													INPUT
										CONTROL
										CONTROL
													CABLE
	31		32			2			4

																									GND

																							21

TO 115 VAC 350 VOLT-AMP																					4

																				2
	FOR LN-8 PLUS																			2

																	31
			CONTACTOR


	REQUIREMENTS														32
															32

				TAPE UP									75
													75

												76																	TO
			EACH LEAD									76

											77
											77																		WORK
	TO LN-8 CIRCUIT										INPUT																		WORK
											INPUT
									CONTROL
									CONTROL
										CABLE
	31		32			2		4

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ELECTRODE CABLE	ELECTRODE CABLE
LN-8 WIRE FEEDER	LN-8 WIRE FEEDER

REFER TO THE POWER SOURCE WIRING DIAGRAM TO FIND THE TYPE OF CONTACTOR CIRCUIT.

CLEVELAND, OHIO U.S.A.

LN-8

Image 20

Lincoln Electric SVM132-A service manual 14A-14, Figure A.10 for Power Sources Other than Lincoln Electric

Contents

LN-8 Semiautomatic Wire Feeder Safety LN-8 Electric Shock can kill Welding Sparks can cause fire or explosion Iii Précautions DE Sûreté Sûreté Pour Soudage a L’Arc Master Table of Contents for ALL Sections Installation Electrode Diameter LN-8 with K303LN-8 with K377 LN-8 with K378 LN-8N and LN-8NE Power Source ConnectionsTable A.1 Work Lead Specifications Power Source Selection Switch Variable Voltage PC Board LN-8S and LN-8SE and Converted LN-8N and LN-8NE Power Source Connection Diagrams Table A.2 LN-8 Power Source Connection Diagrams Section TOC Installation TOC 9A-9 Figure A.5 Connection of LN-8 to R3S-250 and R3S-325 10A-10 Figure A.6 Connection of LN-8 to DC-600 Power Source To LN-8 Input Cable Plug Control Cable LN-8 for Same Polarity Operation LN-8 for Opposite Polarity Operation Shock Can Kill Figure A.10 for Power Sources Other than Lincoln Electric 14A-14 Cable Clamp Conductor Electrode Wire Reel Basecontrol Input Cable ConnectionsLN-8N and LN-8S LN-8NE and LN-8SE Connections to Wire Feeder Extension Tube ConnectorLocking Screw Figure A.14 Wire Feeder Handle Installation SELF-TAPPING Screw Hinge Handle Handling Procedures GUN and Cable AssembliesLN-8S and LN-8SE Continuous Flux Feed Submerged ARC General Operation Safety Instructions Controls and Their FunctionsConstant Current Controls Gouging Sparks Constant Voltage Controls Current Controls Voltage Circuit Protection Avoiding Ground Lead Protector GLP Activation Wire Feed Rolls and Guide Tubes Figure B.3 Wire Feed Rolls and Guide Tube Installation Setting for CV or CC Power Sources Voltage Power Source Welding with a Constant Mounting a 50 or 60 lb Coil Slots Coil Reel Adapter Wire Reel Loading K1524-1 Universal Wire Reel StandK363-P READI-REEL Adapter To Mount 10 to 44 lb 4.5 to 20 kg Spools 12 in./300 mm Diameter or 14 lb 6 kgInnershield Coils READI-REELS a K438 READI-REEL Adapter Must be Used Brass Blocks Hand Crank ARM Feeding Electrode to the LN-8N or LN-8SFeeding Electrode to the LN-8NE or LN-8SE with Extension Flux Tank Loading Slow Acceleration Starting Code 7926 and Above Accessories Table C.1 LN-8 Wire Feeder Accessories General K161 Mechanized Travel Power Pack K163 Undercarriage Requires K303, K377, or K378K178 Mounting Platform K58 Magnetic Separator Reel Mounting Accessories Welding Guns Welding GUN Accessories Constant Current Conversion Parts LN-8 Maintenance Table of Contents Maintenance Section Routine Maintenance Periodic Maintenance Table of Contents Theory of Operation Section Theory of Operation Power Input Circuits General Description GUN Trigger and 1CR Relay Contact Control Circuits Figure E.2 GUN Trigger and 1CR Contact Control Circuits Fuse Field Applied Later CYCLE, the SCR Output Is Decreased SCR Operation5E-5 LN-8 Troubleshooting and Repair HOW to USE Troubleshooting Guide Return to Return to Section TOC Troubleshooting & Repair PC Board Troubleshooting Procedures Troubleshooting Guide Problems Symptoms Function Problems Transformer Test Perform the 1CR Relay Test Feeding Problems Welding Problems LN-8 Electrical Sequence of Operation Figure F.1 LN-8 Electrical Sequence of Operation Trigger Transformer Test Test Description Trigger Transformer Test Internal Voltage Test Connector ReceptacleCircuit Applied Breaker Control Board Internal Voltage Test Table F.1 Voltage Test Points 1CR Relay Test 1CR Relay Test 1CR Relay Test Table F.2 Relay Test Terminal Connections Drive Motor Test Drive Motor Test Figure F.6 GUN Terminal Jumper Locations 1CR To further check the drive motor Table F.3 Drive Motor Test Points Potentiometer Replacement Repair Procedure Circuit Breaker Replacement Ground Lead Protector Switch Mount Flatwasher Lockwasher NUT Retaining NUT Ground Lead Protector Push Button Switch Replacement Ground Lead Protector Push Button Trigger Transformer Replacement Relay PC Board Roundhead Screw Insulation Sheet Trigger Transformer NUT PC Board Replacement Figure F.10 PC Board Locations Control PC Board Variable Voltage PC Board Relay PC Board Relay Board Removal Control PC Board Replacement Wire Drive Assembly and Component Replacement Black WhiteGreen Ground Yellow Blue TWO Shunt #568 #567 Motor Gearbox Insulation Sheet Mounting Plate TOC Retest After Repair Electrical Diagrams LN-8N, -8NE, -8S, and -8SE Wiring Diagram Connection Schematic Source Power to Work Operating Schematic 1CR Wire Feed Motor Field Control Board L5767 Schematic Variable Voltage Board L5039 Schematic Control Board L5767 Layout Control Variable Voltage Board L5039 Layout SVM Error Reporting Form