Lincoln Electric SVM179-B service manual Table B.2 VV CC Wire Speed Setting

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B-6				OPERATION								B-6
B-6												B-6

	TABLE B.2 - VV (CC) WIRE SPEED SETTING

	Desired				Arc Volts Used
	In/Min
	In/Min	16	18	20	22	24	26	28	30	32	34

	50	109	97	88	80	73	67	63	58	55	51
	60	131	117	105	95	88	81	75	70	66	62
	70	153	136	123	111	102	94	88	82	77	72
	80	175	156	140	127	117	108	100	93	88	82
	90	197	175	158	143	131	121	113	105	98	93
	100	219	194	175	159	146	135	125	117	109	103
	110	241	214	193	175	160	148	138	128	120	113
	120	263	233	210	191	175	162	150	140	131	124
	130	284	253	228	207	190	175	163	152	142	134
	140	306	272	245	223	204	188	175	163	153	144
	150	328	292	263	239	219	202	188	175	164	154
	160	350	311	280	255	233	215	200	187	175	165
	170	372	331	298	270	248	229	213	198	186	175
	180	394	350	315	286	263	242	225	210	197	185
	190	416	369	333	302	277	256	238	222	208	196
	200	438	389	350	318	292	269	250	233	219	206
	210	459	408	368	334	306	283	263	245	230	216
	220	481	428	385	350	321	296	275	257	241	226
	230	503	447	403	366	335	310	288	268	252	237
	240	525	457	420	382	350	323	300	280	263	247
	250	547	486	438	398	365	337	313	292	273	257
	260	569	506	455	414	379	350	325	303	284	268
	270	591	525	473	430	394	365	338	315	295	278
	280	613	544	490	445	408	377	350	327	306	288
	290	634	564	508	461	423	390	363	338	317	299
	300	656	583	525	477	438	404	375	350	328	309
	310	678	603	543	493	452	417	388	362	339	319
	320	700	622	560	509	467	431	400	373	350	329
	330		642	578	525	481	444	413	385	361	340
	340		661	595	541	496	458	425	397	372	350
	350		681	613	557	510	471	438	408	383	360
	360		700	630	572	526	484	450	420	394	370
	380			666	604	554	512	472	444	416	392
	400			700	636	584	538	500	466	438	412
	420				668	612	566	526	490	460	432
	440				700	642	592	550	514	482	452
	460					670	620	576	536	504	472
	480					700	646	600	560	526	494
	500						674	626	584	546	514

	520						700	650	606	568	536
	540							676	630	590	556
	560							700	654	612	576
	580								676	634	598
	600								700	656	618
	620									678	638
	640									700	658
	660										680
	680										700
	700
				LN-25™ PRO

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Contents LN-25PRO Wire Feeder Safety LN-25 PROElectric Shock can kill ARC Rays can burn Iii Welding CuttingFor Electrically Précautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Safety Precautions High Frequency ProtectionLocation ELECTRIC SHOCK can KillWire Drive Configuration Cable ConnectionsShielding GAS Connection Changing the GUN Receiver BushingProcedure to Install Drive Rolls Wire GuidesGUN Connection Pressure ARM AdjustmentLoading Spools of Wire Description Power Source to LN-25 PRO Cable Connection DiagramsAcross the ARC SET-UPS Figure A.7 Table of Contents Operation Section Safety Precautions OperationGeneral Description Analog Voltmeter Wire Feed Speed KnobDescription Wire Feed Speed, CC Operation See Figure B.2 or Figure B.2Table B.2 VV CC Wire Speed Setting Constant Current VS Constant Voltage Wire Welding Figure B-3PIN GUN Trigger Connector See Figure B.1 Wire Feed Speed Range Switch K2613-5 and K2613-7 onlyWork Sense Lead Thermal LED, Motor Overload See Figure B.1Internal Controls Figure B.4Step Trigger Interlock Switch CV/CC SwitchInternal Controls Description Cold Feed PushbuttonOptional PREFLOW, Burnback Postflow Timer KIT K2330-2 Preflow TimerRear Controls Figure B.5POWER-UP Sequence GAS Purge PushbuttonFlow Meter ScfhLN-25 PRO Table of Contents Accessories Section Accessories Factory Installed EquipmentWire Type Drive Roll KitsAccessories Accessories K435 Spindle Adapter, for mounting Installation of the K590-6 Water Cooling KIT Table of Contents Maintenance Section Maintenance Routine MaintenancePeriodic Maintenance Calibration SpecificationBoard Wire Feed SpeedCover Figure D.3. Major Component Location 1TABLE of CONTENTS-THEORY of Operation Section E-1 Control BoardTheory of Operation Figure E.2 General DescriptionInput Power TRIGGER CIRCUITFeedback and Control CIR- Cuits Figure E.4 Feedback & Control CircuitsOptional Circuits Figure E.5 Optional Circuits & Digital Display BoardLN-25 PRO Table of Contents Troubleshooting & Repair Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Fault Code Description Possible Adjustment Motor Solenoid Test Recommended Course of Action Problems SymptomsPossible Areas Misadjustments LN-25 PRO Materials Needed Case Removal ProcedureTest Description Procedure Figure F.1 Case RemovalGAS Solenoid Test GAS Solenoid Control BOX Control BOX Cover Contactor Test Control BOX Contactor Drive Motor and Tach Feedback Test Case Control BOX Assembly Motor Overload Test Figure F.5 Control BOX Assembly Contactor Removal and Replacement Procedure Removal Procedure Figure F.6 Control BOXReplacement Procedure Figure F.7 Buss BAR and Mounting BlockLN-25 PRO Front Panel Removal and Replacement Procedure Front Panel Troubleshooting & Repair Gas Hose Control BOX Wire Drive Panel Drive Gear Cover LN-25 PRO PC Board Removal and Replacement Procedure PC BOARD Removal and Replacement Procedure Figure F.11 Control PC Board LocationGAS Solenoid Removal and Replacement Procedure GAS Solenoid GAS Hose Control BOX Lock NUT SET UP Retest After RepairRetest a machine Operation VerificationLN-25 PRO Table of Contents Diagram Section Wiring Diagram LN-25 PRO WiriNG DiaGram lN-25 prO CODEs 11507, 11508 G5681-1 Wiring DIAGRAM- LN-25 PRO Analog WiriNG DiaGram lN-25 prO CODEs 11746, 11747 G5681-3 LN-25 PRO Wire Feeder G5683LN-25 PRO Wire Feeder ElECTriCal DiaGrams G5683-1 Pushbutton G5683-2 LN-25 PRO AnalogG5683 G5683-3 Circuitryconfidential Equipmenttype Xres RXD Work 624 4783-1C0 Flexiblepowerfeede R 50V OF05 Circuitryconfidential S27505-1B0 R2 CW