Manuale d’uso / di manutenzione del prodotto LN-25 SVM179-B del fabbricante Lincoln Electric
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LN-25 ™ PRO WIRE FEEDER ,/& April, 201 1 For use with machines having Code Numbers: ,+ /" &'.
%'S )+( ,-2 < < (+ ' "' CBJ8E87 8DH<C@8AG 1.a. T urn the engine of f before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.
,-2 << << %'S )+( .&,' ,, 64A 58 74A:8EBHF 5.a. Welding may produce fumes and gases hazardous to health. Avoid breathing these fumes and gases.When welding, keep your head out of the fume.
%'S )+( ,-2 <<< <<< (+ %-+"%% 2 CBJ8E87 8DH<C@8AG 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.
,-2 <I <I %'S )+( )+N.-"(', ,Y+-N Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté .
" " &,-+ - % ( ('-'-, (+%% ,-"(', %'S )+( Page ,498GL .
- % ( ('-'-, "',- %% -"(' ,-"(' %'S )+( "AFG4??4G<BA .
"',- %% -"(' %'S )+( -&)+ -.+ +' ()+ -"(' -40°F to 104°F (-40°C to 40°C) ,-(+ -40°F to 185°F (-40°C to 85°C) "').
"',- %% -"(' %'S )+( 0% %,"3 - 45?8 Located below are copper cable sizes rec- ommended for various currents and duty cycles. Lengths stipulated are the distance from the welder to work and back to the welder again.
"',- %% -"(' %'S )+( 2. Remove the cylinder cap. Inspect the cylinder valves and regulator for damaged threads, dirt, dust, oil or grease. Remove dust and dirt with a clean cloth. ( '(- -- ! -! + .
"',- %% -"(' %'S )+( T ools required: • 1/4" hex key wrench. 1. T urn power off at the welding power source. 2. Remove the welding wire from the wire drive. 3. Remove the thumb screw from the wire drive.
"',- %% -"(' %'S )+( THUMB SCREW GUN )+,,.++&#.,-&'- %-+" ,!($ 64A&g.
"',- %% -"(' %'S )+( +(,, -!+,- .), )BJ8E ,BHE68F J<G; (HGCHG - 8E@<A4?F ?J4LF !BG ,88<:HE8 If the power source has a Remote/Local switch, place the switch in the Local position.
"',- %% -"(' %'S )+( / )BJ8E ,BHE68 J<G; - J<FG&4G8 BAA86GBEF 4A7 +8@BG8%B64? ,J<G6;,88 <:HE8 Place CV/CC switch in the feeder in the "CV" position.
- % ( ('-'-, ()+ -"(' ,-"(' %'S )+( (C8E4G<BA .
()+ -"(' %'S )+( R%-+" ,!($ ' $"%% .A?8FF HF<A: (% 984 GHE8.
()+ -"(' %'S )+( "'"-"(' (0%"' -+&, 0, • Wire Feed Speed R Con.
()+ -"(' %'S )+( , +('-('-+(%, ,88 <:HE8 '%( /(% -&-+ The analog voltmeter shows the voltage between electrode and work.
()+ -"(' %'S )+( 50 100 150 200 250 300 350 400 450 500 550 600 650 700 50 100 150 200 250 300 350 400 450 500 550 650 700 35 31 29 27 25 23 21 19 17 15 33 600 V CC " .
()+ -"(' %'S )+( - % // 0"+ ,),--"' 109 131 153 175 197 97 1 .
()+ -"(' %'S )+( (',- '- .++'- /, (',- '- /(% - 0"+ 0%"' Most semiautomatic welding processes perform better using constant voltage power sources.
()+ -"(' %'S )+( )"' .' -+" +(''-(+ ( See Figure B.1 ) 0(+$,', % ( See Figure B.1 ) Must be connected for the drive motor to operate.
()+ -"(' %'S )+( "'-+'%('-+(%, 1 2 Step Trigger Interlock Switch 2 CV / CC Switch 3 Pressure Adjustment Arm 4 Optio.
()+ -"(' %'S )+( "'-+'%('-+(%, ,+")-"(' ( See Figure B.4 ) ,-) -+" + "'-+%($ ,0"-! Th e 2 St ep - Tri gg er I nt erl oc k switch changes the function of the gun trigger .
()+ -"(' %'S )+( ()-"('%)+%(0 .+'$' )(,-%(0 -"&+$"- .
()+ -"(' %'S )+( ++ ('-+(%, " .+ 1 Gas Purge Pushbutton 2 Flow Meter Ball 4 Shielding Gas Inle.
()+ -"(' %'S )+( , ).+ ).,!.--(' The gas solenoid valve will energize but neither the power source output nor the drive motor will be turned on. The Gas Purge switch is useful for setting the proper flow rate of shielding gas and for purging the lines.
'(-, %'S )+( Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Master TOC Return t o Master .
- % ( ('-'-, ,,(+", ,-"(' %'S )+( 668FFBE<8F.
,,(+", %'S )+( 0"+ -2) Steel Wires: Cored Wires: Aluminum Wires: %-+( ,"3 .023-.030 (0.6-0.8mm) .035 (0.9mm) .045 (1.2mm) .052 (1.4mm) 1/16 (1.6mm) .035,.
,,(+", %'S )+( K2596-1 K2596-2 K1796-xx K2593-xx K1803-1 K1840-xx K1842-xx K484 K2330-2 Aluminum Case Plastic Case A WG 1/0 Co-Axial Power Cabl.
,,(+", %'S )+( K910-1 K910-2 K1500-1 K1500-2 K1500-3 Ground Clamp Ground Clamp Gun Receiver Bushing (for guns with K466-1 Lincoln gun connec- t.
,,(+", %'S )+( K1500-4 K1500-5 K489-7 * K435 K468 K590-6 K586-1 Gun Receiver Bushing (for gun with K466-3 Lincoln gun connec- tors; compatible with Miller® guns.) Gun Receiver Bushing (compatible with Oxo® guns.
,,(+", %'S )+( "',- %% -"(' ( -! $ 0 -+ ((%"' $"- %.
- % ( ('-'-, &"'-'' ,-"(' %'S )+( &4<AG8A4A68 .
&"'-'' %'S )+( %-+" ,!($64A ><?? R B ABG BC8E4G8 J<G; 6BI8EF E8@BI87.
&"'-'' %'S )+( 0<E8887 ,C887 / 4?<74G<BA (See Figure D.1) Calibration of the LN-25™ PRO may be required when the p.c. board, wire feed speed potentiometer or motor is replaced or serviced.
5 5 2 2 1 1 4 4 3 3 &"'-'' %'S )+( 1. FRONT P ANEL ASSEMBL Y 2. CONTROL BOX ASSEMBL Y 3.
- % ( ('-'-,-!(+ 2 ( ()+ -"(' ,-"(' %'S )+( -;8BEL B9(C8E4G<BA .
-!(+ 2 ( ()+ -"(' %'S )+( '+% ,+")-"(' Several models of the LN-25™ PRO are offered to best meet the individual welders needs. The Extra T orque model features additional torque for reliable feeding of large diameter FCA W wire.
-!(+ 2 ( ()+ -"(' %'S )+( NOTE: Unshaded areas of Block Logic Diagram are the subject of discussion "').- )(0+ The DC input voltage is applied from the power source via the electrode cable and the work sensing lead on the across the arc model.
-!(+ 2 ( ()+ -"(' %'S )+( NOTE: Unshaded areas of Block Logic Diagram are the subject of discussion $ ' ('-+(% "+ .
-!(+ 2 ( ()+ -"(' %'S )+( " "- % ",)% 2 (+ 6BAGEB? 645?8 @B78?F BA?L When the wire feeder is not welding, the left display shows the wire feed speed.
'(-, %'S )+( Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Master TOC Return t o Master TOC Re.
- % ( ('-'-, -+(.%,!((-"' +) "+ %'S )+( - EBH5?8F;BBG<A: 4A7+8C4<E .
-+(.%,!((-"' +) "+ %'S )+( This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below .
-+(.%,!((-"' +) "+ %'S )+( Sometimes machine failures appear to be due to PC board failures. These problems can sometimes be traced to poor electrical connections. T o avoid prob- lems when troubleshooting and replacing PC boards, please use the following procedure: 1.
The wire feeder powers up but there is no welder output when the gun trigger is pulled. The shielding gas flows and the drive rolls turn. (Across the arc models) 1. The contactor coil connections are loose. 2. The contactor has failed. 1. V erify the connections.
(.-).- )+(%&, Observe Safety Guidelines detailed in the beginning of this manual. )+(%&, ,2&)-(&, )(,,"%+,( &",#.,-&'-, +(&&' (.
(.-).- )+(%&, Observe Safety Guidelines detailed in the beginning of this manual. )+(%&, ,2&)-(&, )(,,"%+,( &",#.,-&'-, +(&&' (.
, ,!"%"' ",,., Observe Safety Guidelines detailed in the beginning of this manual. )+(%&, ,2&)-(&, )(,,"%+,( &",#.,-&'-, +(&&' (.
'(-, %'S )+( Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Master TOC Return t o Master TOC Re.
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
" .+ V, +&(/ % , +&(/ % )+(.+ (CONTINUED) )+(.+ 1. Remove the input power from the LN25 PRO unit. 2. Using the 1/4-20 nut driver , remove the 8 screws holding the control box.
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
GAS SOLENOID CONTROL BOX CONTROL BOX COVER " .+ V , ,(%'(" , ,(%'(" -,- (CONTINUED) )+(.+ 1. Perform the Case Removal Procedure. 2. Remove the five #10-24 x .
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
CONT ACTOR CONTROL BOX " .+ V('- -(+ ('- - (+ -,- (CONTINUED) )+(.+ 1. Perform the Case Removal Procedure. 2. Remove the 5 #10-24 x .50 screws holding the control box cover to access the contactor leads.
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
CASE CONTROL BOX ASSEMBL Y " .+ V('-+(% (1 ,,&% 2 +"/ &(- (+' - ! $ -,- (CONTINUED) )+(.+ 1. Perform the Case Removal Procedure.
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
CASE CONTROL BOX ASSEMBL Y " .+ V('-+(% (1 ,,&% 2 &(- (+ (/+%( -,- (CONTINUED) )+(.+ 1. Perform the Case Removal Procedure. 2. Remove the 5 #10-24 x .50 screws holding the control box cover to access the contactor leads.
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
CONTROL BOX " .+ V('-+(% (1 ('- - (+ +&(/ %' +)%&'-)+(.+ (CONTINUED) +&(/ %)+(.+ 1. Perform the Case Removal Procedure.
MOUNTING BLOCK BUSS BAR " .+ V.,, +'&(.'-"' %($ ('- - (+ +&(/ %' +)%&'-)+(.+ (CONTINUED) +)%&'- )+(.
'(-, %'S )+( Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Master TOC Return t o Master .
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
FRONT P ANEL " .+ V+('- ) '% +('- ) '% +&(/ % ' +)%&'- )+(.+ (CONTINUED) +&(/ %)+(.
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
Gas Solenoid Gas Solenoid Gas Hose Gas Hose Buss Bar Buss Bar " .+ V.,, +' , !(, +&(/ % 0"+ +"/ &(- (+' + (1 +&(/ % ' +)%&'-)+(.
CONTROL BOX WIRE DRIVE P ANEL DRIVE GEAR COVER " .+ V0"+ +"/ ) '%+&(/ % 0"+ +"/ &(- (+' + (1 +&(/ % ' +)%&'-)+(.
'(-, %'S )+( Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Master TOC Return t o Master .
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
CONTROL BOX COVER CONTROL BOX CONTROL BOARD " .+ V('-+(% )(+ %( -"(' )Z(+ +&(/ % ' +)%&'- )+(.
Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty .
LOCK NUT GAS SOLENOID GAS HOSE CONTROL BOX CONTROL BOX COVER " .+ V,(%'(" '.-'!(, , ,(%'(" +&(/ % ' +)%&'-)+(.
-+(.%,!((-"' +) "+ %'S )+( +-,--+ +) "+ +8G8FG 4@46;<A8 • If it is rejected under test for any reason that requires you to remove any part which could affect the machine’s electrical charac- teristics.
'(-, %'S )+( Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Section T OC Return t o Master TOC Return t o Master .
- % ( ('-'-, " +& ,-"(' %'S )+( ?86GE<64? <4:E4@F .
ElECTriCal DiaGrams G-2 lN-25™ prO WiriNG DiaGram - lN-25 prO - CODEs 11387, 1 1388 (G5681) CONTROL P.C . BOARD - + BRIDGE RECTIF IER AC AC POLARITY LED A P14 62 2A TRIGGER CONNECTOR WIRI NG DIA GRAM LN- 25 PRO G5681 C J1, J 2, J8, J 15 C AVI TY NU MBE RIN G SEQ UENCE (VI EW ED FROM COMPONENT S IDE OF P .
ElECTriCal DiaGrams G-3 lN-25™ prO WiriNG DiaGram - lN-25 prO - CODEs 11507, 1 1508 (G5681-1) CONTROL P.C . BOARD - + BRIDGE RECTIF IER AC AC POLARITY LED A P14 62 2A TRIGGER CONNECTOR WIRI NG DIA GRAM LN- 25 PRO B G5681-1 J1, J 2, J8, J 15 C AVI TY NU MBE RIN G SEQ UENCE (VI EW ED FROM COMPONENT S IDE OF P .
ElECTriCal DiaGrams G-4 lN-25™ prO WiriNG DiaGram - lN-25 prO - CODEs 11620, 1 1621, 1 1716, 1 1717 (G5681-2) CONTROL P.C . BOARD WIRI NG DIAGRAM- L N-25 PRO ANALO G A G5681-2 FEED PLATE P20/J 20 8 .
ElECTriCal DiaGrams G-5 lN-25™ prO WiriNG DiaGram - lN-25 prO - CODEs 11746, 1 1747 (G5681-3) CONTROL P.C . BOARD WIRI NG DIAGRAM- L N-25 PRO ANALO G A.
ElECTriCal DiaGrams G-6 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11387, 1 1388 - (G5683) pG1 S O L ID E D G E G5683 LN -25 P RO MAC HI N E SC HEM ATIC NONE - DO NO T SC AL E T HIS .
ElECTriCal DiaGrams G-7 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11387, 1 1388 - (G5683) pG2 G5683 LN -25 P RO MAC HI N E SC HEM ATIC NONE - DO NO T SC AL E T HIS DR A WING EQ UIP .
ElECTriCal DiaGrams G-8 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11507, 1 1508 - (G5683-1) pG1 G568 3- 1 LN -25 P RO MAC HI N E SC HEM ATIC NONE G5683 DO NO T SC AL E T HIS DR A WI.
ElECTriCal DiaGrams G-9 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11507, 1 1508 - (G5683-1) pG2 S O L ID E D G E G568 3- 1 LN -25 P RO MAC HI N E SC HEM ATIC NONE G5683 DO NO T SC A.
ElECTriCal DiaGrams G-10 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11620, 1 1621, 1 1716, 1 1717 - (G5683-2) pG1 G568 3- 2 LN -25 P R O A N ALOG MAC HI N E SC HEM ATIC NONE G5683- 1.
ElECTriCal DiaGrams G-11 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11620, 1 1621, 1 1716, 1 1717 - (G5683-2) pG2 G568 3- 2 LN -25 P R O A N ALOG MAC HI N E SC HEM ATIC NONE G5683- 1.
ElECTriCal DiaGrams G-12 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11746, 1 1747 - (G5683-3) pG1 G568 3- 3 LN -25 P R O A N ALOG MAC HI N E SC HEM ATIC NONE G5683- 2 DO NO T SC AL E.
ElECTriCal DiaGrams G-13 lN-25™ prO sChEma TiC - lN-25 prO - COmplETE maChiNE CODEs 11746, 1 1747 - (G5683-3) pG2 G568 3- 3 LN -25 P R O A N ALOG MAC HI N E SC HEM ATIC NONE G5683- 2 EQ UIP M ENT TY.
ElECTriCal DiaGrams G-14 lN-25™ prO sChEma TiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 1 1388, 1 1507, 1 1508 (G4745-1) pG 1 G-14 NOTE: This diagram is for reference only.
ElECTriCal DiaGrams G-15 lN-25™ prO sChEma TiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 1 1388, 1 1507, 1 1508 (G4745-1) pG 2 G-15 NOTE: This diagram is for reference only.
ElECTriCal DiaGrams G-16 lN-25™ prO sChEma TiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 1 1388, 1 1507, 1 1508 (G4745-1) pG 3 G-16 NOTE: This diagram is for reference only.
ElECTriCal DiaGrams G-17 lN-25™ prO sChEma TiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 1 1388, 1 1507, 1 1508 (G4745-1) pG 4 G-17 NOTE: This diagram is for reference only.
ElECTriCal DiaGrams G-18 lN-25™ prO sChEma TiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 1 1388, 1 1507, 1 1508 (G4745-1) pG 5 G-18 NOTE: This diagram is for reference only.
ElECTriCal DiaGrams G-19 lN-25™ prO sChEma TiC - lN-25 prO CONTrOl pC BOarD - CODEs 11620, 1 1621, 1 1716, 1 1717, 11746, 11747 (G4783-1) pG 1 G-19 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ElECTriCal DiaGrams G-20 lN-25™ prO sChEma TiC- lN-25 prO CONTrOl pC BOarD - CODEs 1 1620, 1 1621, 1 1716, 11717, 11746, 1 1747 (G4783-1) pG 2 G-20 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ElECTriCal DiaGrams G-21 lN-25™ prO sChEma TiC- lN-25 prO CONTrOl pC BOarD - CODEs 1 1620, 1 1621, 1 1716, 11717, 11746, 1 1747 (G4783-1) pG 3 G-21 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ElECTriCal DiaGrams G-22 lN-25™ prO sChEma TiC- lN-25 prO CONTrOl pC BOarD - CODEs 1 1620, 1 1621, 1 1716, 11717, 11746, 1 1747 (G4783-1) pG 4 G-22 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ElECTriCal DiaGrams G-23 lN-25™ prO sChEma TiC- lN-25 prO CONTrOl pC BOarD - CODEs 1 1620, 1 1621, 1 1716, 11717, 11746, 1 1747 (G4783-1) pG 5 G-23 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ElECTriCal DiaGrams G-24 lN-25™ prO sChEma TiC - mOTOr Fil TEr pC BOarD - CODE 11746, 1 1747 (s27505-1) G-24 NOTE: This diagram is for reference only.
ElECTriCal DiaGrams G-25 lN-25™ prO sChEma TiC - K2330 TimEr KiT pC BOarD - all CODEs (m21341-1) G-25 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Lincoln Electric LN-25 SVM179-B è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Lincoln Electric LN-25 SVM179-B - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Lincoln Electric LN-25 SVM179-B imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Lincoln Electric LN-25 SVM179-B ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Lincoln Electric LN-25 SVM179-B, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Lincoln Electric LN-25 SVM179-B.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Lincoln Electric LN-25 SVM179-B. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Lincoln Electric LN-25 SVM179-B insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
