Manuale d’uso / di manutenzione del prodotto SVM176-A del fabbricante Lincoln Electric
Vai alla pagina of 55
SVM176-A July , 2007 Safety Depends on Y ou Lincoln arc welding and cutting equipment is designed and built with safety in mind. However , your overall safety can be increased by proper installation .
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.
FUMES AND GASES can be dangerous. 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. Use enough ventilation and/or exhaust at the arc to keep fumes and gases away from the breathing zone.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ELECTRICALL Y powered equipment. 8.a. T urn 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.
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions d.
LN-23P MASTER T ABLE OF CONTENTS FOR ALL SECTIONS v v Page Safety .................................................................................................................................................i-iv Installation ......................
T ABLE OF CONTENTS - INST ALLA TION SECTION - LN-23P I n s t a l l a t i o n ................................................... S e c t i o nA T e c h n i c a l S p e c i f i c a t i o n s ...................................... A - 2 S a f e t y P r e c a u t i o n s .
INST ALLA TION A-2 LN-23P A-2 TECHNICAL SPECIFICA TIONS – LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Ret.
LN-23P INST ALLA TION A-3 A-3 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TO.
INST ALLA TION LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC • DC.
ACCESSORIES A-5 A-5 LN-23P POWER SOURCE One or two LN-23Pʼs can be connected to a DC power source (constant voltage) with a K-350 or K350-1 Adapter Kit. If two LN-23Pʼs are connected, they can be set for different procedures but only one can be used at a time.
NOTES A-6 A-6 LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC.
T ABLE OF CONTENTS - OPERA TION SECTION - LN-23P Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section B Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPERA TION B-2 B-2 LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC PR.
OPERA TION B-3 B-3 LN-23P DRIVE ROLL PRESSURE The drive roll pressure is pre-set at the factory for proper feeding. If the idle roll tension must be relieved temporarily , see the Maintenance Section for proper adjustment procedure.
NOTES B-4 B-4 LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC.
T ABLE OF CONTENTS - ACCESSORIES SECTION - LN-23P Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section C LN-23P Gun and Cable Assemblies Chart . . . . . . . . . . . . . . . . . . . . .
ACCESSORIES C-2 C-2 LN-23P OPTIONAL EQUIPMENT GUN AND CABLE ASSEMBLIES K350 ADAPTER KIT Required when using the LN-23P on any constant voltage power source. Either one or two LN-23Pʼs can be connected to the Adapter . If two LN-23Pʼs are con- nected, they can be set for different procedures.
T ABLE OF CONTENTS - MAINTENANCE SECTION - LN-23P M a i n t e n a n c e ................................................. S e c t i o n D S a f e t y P r e c a u t i o n s .......................................... D - 2 Replacing or Reeversing Drive Rolls .
MAINTENANCE D-2 D-2 LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC GUN AND CABLE MAINTENANCE Remove spatter from tip after each ten minutes of arc time or as required.
MAINTENANCE D-3 D-3 LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC CIRCUIT PROTECTION Circuit Breaker – The 3.
NOTES D-4 D-4 LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC.
T ABLE OF CONTENTS - THEOR Y OF OPERA TION SECTION - LN-23P T h e o r y o f O p e r a t i o n ........................................... S e c t i o n E G e n e r a l D e s c r i p t i o n ......................................... E - 2 I n p u t P o w e r C i r c u i t .
THEOR Y OF OPERA TION E-2 E-2 LN-23P + VOLTMETER WIRE SPEED CONTROL REDUCED SPEED CONTROL GUN TRIGGER SWITCH REED SWITCH ACTIVATED GUN CONDUCTOR BLOCK WIRE FEED MOTOR BY WELDING CURRENT VOLTAGE CONTROL LN-23P CONTROL P.
THEOR Y OF OPERA TION E-3 E-3 LN-23P CONTROL CIRCUIT OPERA TION VOL TS AND SPEED CONTROL CIRCUITS The V oltage Control is connected directly to the K350 Adapter or the power source (if no adapter is required) by leads 75, 76 & 77. It can be adjusted while welding to provide the voltage called for by the weld procedure.
THEOR Y OF OPERA TION E-4 E-4 LN-23P OPTIONAL CIRCUITS K350 / K350-1ADAPTER KITS The K350 Adapter kits are used to interface one or two LN-23P feeders to a Lincoln CV power source. Figure E.4 shows a typical two feeder connection using a K350-1. If o nly one feeder is used it must be connected to the “Feeder A” terminal strip.
THEOR Y OF OPERA TION E-5 E-5 LN-23P FIGURE E.5 K350-1 DIAGRAM NOTE: Unshaded areas of block logic diagrams are the subject of discussion. K350 / K350-1ADAPTER KITS (cont.
NOTES E-6 E-6 LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC.
T roubleshooting and Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section F How to Use T roubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F-2 PC Board T roubleshooting Procedures . . . . .
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-2 F-2 TROUBLESHOOTING AND .
F-3 F-3 TROUBLESHOOTING & REP AIR 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.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-23P F-4 F-4 TROUBLESHOOTING AND REP AIR FEEDING PROBLEMS Observe Safety Guidelines detailed in the beginning of this manual.
LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-5 F-5 TROUBLESHOOTING AND REP AIR FEEDING PROBLEMS (cont.) Observe Safety Guidelines detailed in the beginning of this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-23P If for any reason you.
LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-7 F-7 TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory traine d personnel.
LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-8 F-8 TROUBLESHOOTING AND REP AIR WIRE FEEDER TEST (cont.) FIGURE F .1 FEEDER TEST SET -UP TEST PROCEDURE 1.
LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-9 F-9 TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained person- nel.
LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-10 F-10 TROUBLESHOOTING AND REP AIR GUN TEST (cont.) FIGURE F .2 GUN CABLE TESTS TEST PROCEDURE 1.
LN-23P F-11 F-11 TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained person- nel. Unauthorized repairs performed on this equipment may result in danger to the tech- nician or machine operator and will invalidate your factory warranty .
LN-23P F-12 F-12 TROUBLESHOOTING AND REP AIR FEED HEAD TEST (cont.) TEST PROCEDURE 1. Remove the weld wire from the drive rolls. 2. Disconnect the motor leads, 541 and 539, from the Control Board and clamp an amp probe around one of the leads. NOTE: A DC ammeter may be connected in series with a motor lead if a current probe is not available.
LN-23P F-13 F-13 TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained person- nel. Unauthorized repairs performed on this equipment may result in danger to the tech- nician or machine operator and will invalidate your factory warranty .
LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-14 F-14 TROUBLESHOOTING AND REP AIR POTENTIOMETER TEST (cont.) TEST PROCEDURE WIRE SPEED CONTROL POTENTIOMETER 1.
LN-23P F-15 F-15 TROUBLESHOOTING AND REP AIR Service and repair should be performed by only Lincoln Electric factory trained person- nel. Unauthorized repairs performed on this equipment may result in danger to the tech- nician or machine operator and will invalidate your factory warranty .
LN-23P Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-16 F-16 TROUBLESHOOTING AND REP AIR K350(-1) ADAPTER TEST (cont.) FIGURE F .
LN-23P F-17 F-17 TROUBLESHOOTING AND REP AIR K350(-1) ADAPTER TEST (cont.) TEST PROCEDURE 1. Connect a switched and grounded 120V AC supply to terminals 31 & 32 of the Control T erminal Strip and the ground stud (GND) as shown in Fig.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-23P Return to Section TOC.
LN-23P Section G-1 Section G-1 T ABLE OF CONTENTS - ELECTRICAL DIAGRAMS SECTION - Electrical Diagrams ........................................................................................................................Section G Wiring Diagram - (M14197) .
ELECTRICAL DIAGRAMS G-2 LN-23P WIRING DIAGRAM - ENTIRE MACHINE - (M14197) G-2 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
ELECTRICAL DIAGRAMS G-3 LN-23P SCHEMA TIC - ENTIRE MACHINE (L6518) G-3 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC ELECTRICAL DIAGRAMS G-4 LN-23P WIRING DIAGRAM - K350 ADAPTER KIT (M14247) G-4 NOTE: This diagram is for reference only .
ELECTRICAL DIAGRAMS G-5 LN-23P WIRING DIAGRAM K350-1 ADAPTER KIT (M17514) G-5 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS G-6 LN-23P MACHINE SCHEMA TIC FOR K350/K350-1 ADAPTER G-6 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual.
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric.
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty . Individual Printed Circuit Board Components are not available from Lincoln Electric.
ELECTRICAL DIAGRAMS G-9 LN-23P SCHEMA TIC FOR LN-23P CODES 10892 AND HIGHER (L1 1838-3) G-9 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 SVM176-A 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 SVM176-A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Lincoln Electric SVM176-A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Lincoln Electric SVM176-A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Lincoln Electric SVM176-A, 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 SVM176-A.
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 SVM176-A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Lincoln Electric SVM176-A 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.
