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Lincoln Electric SVM 106-A manual

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Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Lincoln Electric SVM 106-A. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Lincoln Electric SVM 106-A o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Lincoln Electric SVM 106-A se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Lincoln Electric SVM 106-A, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Lincoln Electric SVM 106-A debe contener:
- información acerca de las especificaciones técnicas del dispositivo Lincoln Electric SVM 106-A
- nombre de fabricante y año de fabricación del dispositivo Lincoln Electric SVM 106-A
- condiciones de uso, configuración y mantenimiento del dispositivo Lincoln Electric SVM 106-A
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Lincoln Electric SVM 106-A no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Lincoln Electric SVM 106-A y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Lincoln Electric en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Lincoln Electric SVM 106-A, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Lincoln Electric SVM 106-A, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Lincoln Electric SVM 106-A. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    LN-7 GMA Wire Feeder VOL TS NEGA TIVE ELECTRODE POLARITY POSITIVE THE LINCOLN ELECTRIC CO. CLEVELAND, OH U.S.A. Do not touch live electrical parts or electrode with skin or wet clothing Insulate yourself from work and ground. Always wear dry insulating gloves. Do not use AC welder if your clothing, gloves or work area is damp or if working on, unde[...]

  • Página 2

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC i LN-7 GMA WIRE FEEDER SAFETY FUMES AND GASES can be dangerous. 3.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 kee[...]

  • Página 3

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC LN-7 GMA WIRE FEEDER SAFETY ii FOR ELECTRICALL Y powered equipment. 6.a. T urn off input power using the disconnect switch at the fuse box before working on the equipment. 6.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes a[...]

  • Página 4

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ENGINE powered equipment. 7.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 7.b. Operate engines in open, well-ventilated areas or ven[...]

  • Página 5

    Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SAFETY iv LN-7 GMA WIRE FEEDER PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- ant[...]

  • Página 6

    v LN-7 GMA WIRE FEEDER Page Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i-iv Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section A T echnical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Página 7

    Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section A T echnical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Mounting Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3 Machine Grounding . . . . .[...]

  • Página 8

    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 INST ALLA TION A-2 TECHNICAL SPECIFICA TIONS – LN-7 GMA LN-7 GMA WIRE FEEDER INPUT VOL T AGE WIRE FEED SPEED WIRE DIAMETERS PHYSICAL DIMENSIONS Supplied by power source: 1 15 V[...]

  • Página 9

    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 MOUNTING LOCA TION The LN-7 GMA wire feeders can be mounted directly on top of the power source providing that it is secure and level. The LN-7 can be mounted to an undercarriage[...]

  • Página 10

    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 1. For K291 and K404 cables, connect the end of the control cable with the lugged leads to the power source. If lead #21 is extended to work, do not connect leads to terminal #21[...]

  • Página 11

    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 STRAIN RELIEF CLAMP CONTROL CABLE ELECTRODE CABLE 5. Connect the input control cable polarized Amphenol plug into the mating 6-pin receptacle on the rear of the control section. [...]

  • Página 12

    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 INST ALLA TION FIGURE A.3 – LN-7 GMA TO DC-400, DC-250 AND CV/CVI POWER SOURCES WITH TERMINAL STRIP - CONNECTION DIAGRAM. LN-7 GMA WIRE FEEDER 77 – + CLEVELAND, OHIO U.S.A EL[...]

  • Página 13

    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-7 GMA WIRE FEEDER INST ALLA TION A-7 FIGURE A.4 – LN-7 GMA TO PULSED POWER 500 - CONNECTION DIAGRAM. – + CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF[...]

  • Página 14

    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 INST ALLA TION FIGURE A.5 – LN-7 GMA TO CV/CVI POWER SOURCES WITH 14 PIN AMPHENOL CONNECTOR - CONNECTION DIAGRAM. LN-7 GMA WIRE FEEDER ELECTRIC SHOCK CAN KILL TURN INPUT POWER [...]

  • Página 15

    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 INST ALLA TION A-9 LN-7 GMA WIRE FEEDER FIGURE A.6 – LN-7 GMA TO CV/CVI POWER SOURCES WITH TWIST -MA TE CONNECTOR AND 14 PIN AMPHENOL/REMOTE CONTROL - CONNECTION DIAGRAM. CLEVE[...]

  • Página 16

    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 INST ALLA TION A-10 FIGURE A.7 – LN-7 GMA TO CV/CVI POWER SOURCE (K867/K775) - CONNECTION DIAGRAM. – + CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFO[...]

  • Página 17

    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 FIGURE A.8 – LN-7 GMA TO R3S-250 OR R3S-325 - CONNECTION DIAGRAM. –+ CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFORE CONNECTING THE LN-7 GMA WIRE FE[...]

  • Página 18

    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 INST ALLA TION A-12 FIGURE A.9 – LN-7 GMA TO SAM MOTOR GENERA TOR OR ENGINE WELDER - CONNECTION DIAGRAM. CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFO[...]

  • Página 19

    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 FIGURE A.10 – LN-7 GMA TO DC-600 - CONNECTION DIAGRAM. – + CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFORE CONNECTING THE LN-7 GMA WIRE FEEDER. W AR[...]

  • Página 20

    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 INST ALLA TION A-14 FIGURE A.1 1 – LN-7 GMA TO R3S-400, 600, OR 800 - CONNECTION DIAGRAM. CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFORE CONNECTING T[...]

  • Página 21

    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 FIGURE A.12 – LN-7 GMA TO MOST LINCOLN MOTOR GENERA TORS - CONNECTION DIAGRAM. 32 CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFORE CONNECTING THE LN-7 [...]

  • Página 22

    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 FIGURE A.13 – LN-7 GMA TO WP250 OR G9 PRO - CONNECTION DIAGRAM. CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFORE CONNECTING THE LN-7 GMA WIRE FEEDER. W[...]

  • Página 23

    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 FIGURE A.14 – LN-7 GMA TO RANGER 9 – CONNECTION DIAGRAM. INST ALLA TION A-17 LN-7 GMA WIRE FEEDER ELECTRIC SHOCK CAN KILL DO NOT OPERA TE WITH P ANELS OPEN. DISCONNECT NEGA T[...]

  • Página 24

    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-7 GMA WIRE FEEDER INST ALLA TION A-18 FIGURE A.15 – LN-7 GMA TO RANGER 10-LX – CONNECTION DIAGRAM. ELECTRIC SHOCK CAN KILL DO NOT OPERA TE WITH P ANELS OPEN. DISCONNECT NE[...]

  • Página 25

    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 FIGURE A.16 – LN-7 GMA TO POWER SOURCES WITH NO OUTPUT CONT ACTOR - CONNECTION DIAGRAM. CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT POWER OFF BEFORE CONNECTING THE[...]

  • Página 26

    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 INST ALLA TION A-20 FIGURE A.17 – LN-7 GMA TO POWER SOURCES WITH CONT ACTOR AND NO TERMINAL STRIP - CONNECTION DIAGRAM. CLEVELAND, OHIO U.S.A ELECTRIC SHOCK CAN KILL TURN INPUT[...]

  • Página 27

    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 WORK CABLE Connect a work lead of sufficient size and length (T able A.2) between the proper output stud on the power source and the work. Be sure the connection to the work make[...]

  • Página 28

    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 INST ALLA TION LN-7 GMA WIRE FEEDER A-22 W A TER CONNECTIONS (FOR W A TER COOLED GUNS) The LN-7 GMA must have a K527 Water Solenoid Kit installed (see the Accessories Section). T[...]

  • Página 29

    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 SHIELDING GAS HOOKUP Gas under pressure is explosive. Always keep gas cylinders in an upright position and to the undercarriage or a stationary support. See American National Sta[...]

  • Página 30

    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 A-24 NOTES LN-7 GMA WIRE FEEDER[...]

  • Página 31

    Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section B Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2 General Description . . . . [...]

  • Página 32

    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 OPERA TING INSTRUCTIONS Read and understand the entire Operation Section prior to operating the machine. SAFETY PRECAUTIONS ELECTRIC SHOCK can kill. • Do not touch electrically[...]

  • Página 33

    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 CONTROLS AND SETTINGS Operator controls are illustrated in Figure B.1. Refer to the figure and the following explanations of the controls. WIRE FEED SPEED CONTROL. This control s[...]

  • Página 34

    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 OPERA TION B-4 LN-7 GMA WIRE FEEDER CIRCUIT PROTECTION A manual reset circuit breaker protects the AC supply line and the wire feeder from overloads, usually caused by excessive [...]

  • Página 35

    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-7 GMA WIRE FEEDER OPERA TION B-5 FIGURE B.2 – INST ALLING DRIVE ROLLS ON A TWO-ROLL FEEDER.[...]

  • Página 36

    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 OPERA TION B-6 LN-7 GMA WIRE FEEDER CHANGING DRIVE ROLLS FOR FOUR- ROLL WIRE FEEDERS: T o change drive rolls on a four-roll wire feeder , refer to Figure B.3 and perform the foll[...]

  • Página 37

    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-7 GMA WIRE FEEDER OPERA TION B-7 FIGURE B.3 – INST ALLING DRIVE ROLLS ON A FOUR-ROLL FEEDER. CLAMPING COLLAR SP ACER (IF REQUIRED) DRIVE ROLL HAL VES KEY OUTPUT SHAFT OUTGOI[...]

  • Página 38

    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 OPERA TION B-8 LN-7 GMA WIRE FEEDER IDLE ROLL PRESSURE SETTING The idle roll pressure is set at the factory . T wo-roll feeders are set with the pressure adjustment knob backed o[...]

  • Página 39

    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-7 GMA WIRE FEEDER OPERA TION B-9 WIRE LOADING WIRE REEL LOADING – READI-REELS AND SPOOLS TO MOUNT A 30 LB READI-REEL P ACKAGE USING THE MOLDED PLASTIC K363-P TYPE ADAPTER: 1[...]

  • Página 40

    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 OPERA TION B-10 LN-7 GMA WIRE FEEDER TO MOUNT 10 T O 30 LB SPOOL (12” DIAMETER): (For 8 in. spools a K468 spindle adapter must be used.) 1. Remove the locking collar and Read-R[...]

  • Página 41

    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-7 GMA WIRE FEEDER OPERA TION B-1 1 WIRE REEL LOADING – 50 AND 60 LB COILS (K303 OR K376 WIRE REEL ST AND) ADJUST ABLE WIRE REEL BRAKE The mount for standard 50 and 60 pound [...]

  • Página 42

    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 OPERA TION B-12 LN-7 GMA WIRE FEEDER FEEDING ELECTRODE 1. Turn the reel until the free end of the electrode is accessible. 2. While tightly holding the electrode, cut off the ben[...]

  • Página 43

    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-7 GMA WIRE FEEDER OPERA TION B-13 ACCELERA TION SETTING The LN-7 GMA can be configured for optimum starting for different procedures by selecting between two speeds of control[...]

  • Página 44

    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-7 GMA WIRE FEEDER OPERA TION B-14 MAKING A WELD 1. Inch the electrode through the gun and cable. For solid wire, cut the electrode within approximately 3/8 in. of the end of t[...]

  • Página 45

    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 FLUX T ANK LOADING K320 FLUX T ANK (OPTIONAL) Either turn off the incoming air line or remove the quick disconnect if one has been installed. Slightly loosen the tank cap and let[...]

  • Página 46

    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 B-16 NOTES LN-7 GMA WIRE FEEDER[...]

  • Página 47

    Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section C General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 Auxiliary Equipment Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3 K178-1 Mounting Platform . . [...]

  • Página 48

    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 C-2 ACCESSORIES LN-7 GMA WIRE FEEDER GENERAL The following is a list of the accessories that can be used with the LN-7 GMA wire feeder . A detailed description of each item is gi[...]

  • Página 49

    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 AUXILIAR Y EQUIPMENT CONNECTION The LN-7 GMA has the factory installed gas solenoid valve leads attached to terminals 7 and 32A. Additional auxiliary equipment connection is not [...]

  • Página 50

    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 ACCESSORIES C-4 LN-7 GMA WIRE FEEDER K418 GMA TIMER KIT This kit is available to provide the following functions: 1. Preflow Control – Provides flow of shielding gas to the wor[...]

  • Página 51

    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-7 GMA WIRE FEEDER WIRE REEL DUST SHIELD FOR K376 50 T O 60 LB WIRE REEL MOUNTING ST AND A shield is available to cover the wire and reel to protect the wire from falling dirt [...]

  • Página 52

    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 ACCESSORIES C-6 LN-7 GMA WIRE FEEDER K480 INPUT CABLE The K480 input cable includes a 2/0 (67 mm 2 ) weld cable with a T wist-Mate TM connector and a 14-pin (MS-3106A-20- 27PX) p[...]

  • Página 53

    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-7 GMA WIRE FEEDER SUBMERGED ARC GUNS The K1 12 gun and cable assembly is recommended for welding with 1/16 in. solid steel electrode at up to 500 amps. The K1 13 gun and cable[...]

  • Página 54

    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 NOTES C-8 LN-7 GMA WIRE FEEDER[...]

  • Página 55

    Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section D Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2 Drive Rolls and Guide T ubes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2 Wire Reel Mounting . . . . . . . . . . . . [...]

  • Página 56

    D-2 MAINTENANCE LN-7 GMA WIRE FEEDER ROUTINE MAINTENANCE DRIVE ROLLS AND GUIDE TUBES After feeding every coil of wire, inspect the drive roll section. Clean the assembly as necessary . Do not use solvent to clean the drive roll assembly as it may wash the lubricant out of the bearings. The drive rolls and guide tubes are stamped with the wire sizes[...]

  • Página 57

    Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section E General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2 Control Circuit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2 Power Input Circuits . . . . .[...]

  • Página 58

    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 E-2 CONTROL CIRCUIT OPERA TION POWER INPUT CIRCUITS The LN-7 GMA receives 1 15 V AC power from the welding supply . This power is applied to the trigger transformer which reduces[...]

  • Página 59

    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 TRIGGER CIRCUIT The 24 V AC output of the trigger transformer is sent to the control PC board and rectified by a diode network. When the gun trigger is pulled, a circuit is close[...]

  • Página 60

    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 E-4 THEOR Y OF OPERA TION CONTROL RELA Y CIRCUIT The first contact closes to allow 1 15 V AC to energize the gas solenoid. This allows shielding gas to flow to the gun. The secon[...]

  • Página 61

    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-7 GMA WIRE FEEDER THEOR Y OF OPERA TION E-5 AUXILIAR Y CIRCUITS TIMER KITS The optional GMA T imer and Burnback kits can be added to provide time delays for these functions. B[...]

  • Página 62

    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 E-6 THEOR Y OF OPERA TION LN-7 GMA WIRE FEEDER PROTECTIVE CIRCUITS Protective circuits are designed in to the LN-7 GMA to detect trouble and shut down the wire feeder before any [...]

  • Página 63

    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-7 GMA WIRE FEEDER THEOR Y OF OPERA TION E-7 FIGURE E.6 – SILICON-CONTROLLED RECTIFIER OPERA TION. INPUT CA THODE GA TE GA TE OUTPUT ANODE AS THE GA TE PULSE IS APPLIED LA TE[...]

  • Página 64

    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 NOTES LN-7 GMA WIRE FEEDER E-8[...]

  • Página 65

    T roubleshooting And Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section F How T o Use T roubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . F-2 PC Board T roubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . F-3 T roubleshooting Guide . . . . . . . . . . . . . . . . . . .[...]

  • Página 66

    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 If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact the Lincoln Electric Service Department for technical trou[...]

  • Página 67

    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 TROUBLESHOOTING AND REP AIR F-3 LN-7 GMA WIRE FEEDER Sometimes machine failures appear to be due to PC board failures. These problems can sometimes be traced to poor electrical c[...]

  • Página 68

    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 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER F-4 PROBLEMS (SYMPTOMS) Major physical or electrical damage is present. When gun trigger is pulled there is no wire feed, no gas [...]

  • Página 69

    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-7 GMA WIRE FEEDER PROBLEMS (SYMPTOMS) When the gun trigger is pulled there is no wire feed, but gas flows and arc voltage is present. POSSIBLE AREAS OF MISADJUSTMENT(S) 1. Che[...]

  • Página 70

    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-6 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER PROBLEMS (SYMPTOMS) When the gun trigger is pulled the wire feeds, the gas flows, but there is NO arc voltage. (The wire does[...]

  • Página 71

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-7 PROBLEMS (SYMPTOMS) When the gun trigger is pulled there IS wire feed and arc voltage but there is NOT any gas flow . Meter k[...]

  • Página 72

    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 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER PROBLEMS (SYMPTOMS) Wire feed speed adjustment is rough. Works only at certain portions of the speed range. Ground Lead Prote[...]

  • Página 73

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-9 PROBLEMS (SYMPTOMS) Wire feeder circuit breaker tripping when the gun trigger is pulled. POSSIBLE AREAS OF MISADJUSTMENT(S) C[...]

  • Página 74

    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 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER PROBLEMS (SYMPTOMS) Wire feeding rough or not feeding, but drive rolls turning. V ariable or “hunting” arc. Weld bead is[...]

  • Página 75

    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 The wire feeds but starts and stops intermittently . TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER F-1 1 PROBLEMS (SYMPTOMS) POSSIBLE AREAS OF MISADJUSTMENT(S) 1. The gun trig[...]

  • Página 76

    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-12 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER CONTROL RELA Y TEST Service and repair should only be performed by Lincoln Electric factory trained personnel. Unauthorized [...]

  • Página 77

    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 CONTROL RELA Y TEST (continued) FIGURE F .1 – CONTROL RELA Y TEST POINTS. TEST PROCEDURE 1. Remove the control relay from the control box per the Control Relay Replacement proc[...]

  • Página 78

    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 TROUBLESHOOTING AND REP AIR F-14 LN-7 GMA WIRE FEEDER TRIGGER TRANSFORMER TEST Service and repair should only be performed by Lincoln Electric factory trained personnel. Unauthor[...]

  • Página 79

    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 TROUBLESHOOTING AND REP AIR TEST PROCEDURE 1. Remove the cover from the control box by removing the four 5/16 in. screws from the top and sides of the unit. 2. Unplug the transfo[...]

  • Página 80

    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 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER F-16 CONTROL CABLE CONTINUITY TEST Service and repair should only be performed by Lincoln Electric factory trained personnel. Una[...]

  • Página 81

    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 CONTROL CABLE AMPHENOL PLUG C D E F A B CONNECT OR LETTERING SEQUENCE AS VIEWED FROM CA VITY END OF CONNECT OR TEST PROCEDURE 1. Disconnect the control cable amphenol plug from t[...]

  • Página 82

    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 TROUBLESHOOTING AND REP AIR F-18 LN-7 GMA WIRE FEEDER WIRE FEED SPEED POTENTIOMETER REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout th[...]

  • Página 83

    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 WIRE FEED SPEED POTENTIOMETER REPLACEMENT (continued) FIGURE F .4 – REMOVING WIRE FEED SPEED POTENTIOMETER. CONTROL BOX COVER 5/16 IN. SCREW POTENTIOMETER KNOB LOCKW ASHER NUT [...]

  • Página 84

    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 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER F-20 WIRE FEED SPEED POTENTIOMETER REPLACEMENT (continued) 6. Place the new potentiometer through the case from the inside. Ensur[...]

  • Página 85

    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 TROUBLESHOOTING AND REP AIR F-21 LN-7 GMA WIRE FEEDER CIRCUIT BREAKER REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manual. T u[...]

  • Página 86

    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 TROUBLESHOOTING AND REP AIR REP AIR PROCEDURE 1. Remove the cover from the control box by removing the four 5/16 in. screws from the top and side of the unit. 2. Remove the two w[...]

  • Página 87

    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 TROUBLESHOOTING AND REP AIR F-23 GROUND LEAD PROTECT OR PUSH BUTT ON SWITCH REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manua[...]

  • Página 88

    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 REP AIR PROCEDURE 1. Remove the cover from the control box by removing the four 5/16 in. screws from the top and side of the unit. 2. Remove the retaining nut from the front of t[...]

  • Página 89

    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 TROUBLESHOOTING AND REP AIR LN-7 GMA WIRE FEEDER F-25 TRIGGER TRANSFORMER REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manual.[...]

  • Página 90

    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 TROUBLESHOOTING AND REP AIR F-26 LN-7 GMA WIRE FEEDER REP AIR PROCEDURE 1. Remove the cover from the control box by removing the four 5/16 in. screws from the top and side of the[...]

  • Página 91

    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 GROUND LEAD PROTECT OR REED SWITCH REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manual. T urn off input power to the wire feed[...]

  • Página 92

    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 P ART OF MAIN WIRE HARNESS TIE WRAPS GROUND WIRE REED SWITCH LN-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-28 GROUND LEAD PROTECT OR REED SWITCH REPLACEMENT (continued) FIGU[...]

  • Página 93

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-29 CONTROL PC BOARD REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manual. T [...]

  • Página 94

    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-7 GMA CONTROL 32A 7 508 509 539 541 526 527 J101 J103 J104 J102 1 2 3 4 5 6 7 8 FIGURE F .8 – DISCONNECTING THE CONTROL PC BOARD. CONTROL PC BOARD REPLACEMENT (continued) LN[...]

  • Página 95

    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 TROUBLESHOOTING AND REP AIR F-31 LN-7 GMA WIRE FEEDER 9. Pry the retaining clip from the control relay . Remove the control relay from the control PC board. 10. Disengage the PC [...]

  • Página 96

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-32 MAIN POWER RESIST OR (R 1 ) REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this[...]

  • Página 97

    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 TROUBLESHOOTING AND REP AIR F-33 LN-7 GMA WIRE FEEDER REP AIR PROCEDURE 1. Remove the cover from the control box by removing the four 5/16 in. screws from the top and side of the[...]

  • Página 98

    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 TROUBLESHOOTING AND REP AIR F-34 LN-7 GMA WIRE FEEDER 7. Solder the two wires onto the new power resistor . 8. Install one insulating spacer onto the resistor mounting bolt. Inst[...]

  • Página 99

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-35 CONTROL RELA Y REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manual. T ur[...]

  • Página 100

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-36 CONTROL RELA Y REPLACEMENT (continued) FIGURE F .1 1 – CONTROL RELA Y REPLACEMENT . CONTROL RELA Y RET AINING CLIP REP AIR[...]

  • Página 101

    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 TROUBLESHOOTING AND REP AIR F-37 LN-7 GMA WIRE FEEDER ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manual. T urn off input power to the wi[...]

  • Página 102

    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 WIRE DRIVE ASSEMBL Y AND COMPONENTS REPLACEMENT (continued) TROUBLESHOOTING AND REP AIR F-38 LN-7 GMA WIRE FEEDER REP AIR PROCEDURE 1. Remove the cover from the control by removi[...]

  • Página 103

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-39 9. On two-roll feeders, remove the three hex head bolts, lockwashers, and flat washers from the bottom of the wire drive ass[...]

  • Página 104

    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 WIRE DRIVE ASSEMBL Y AND COMPONENTS REPLACEMENT (continued) TROUBLESHOOTING AND REP AIR F-40 LN-7 GMA WIRE FEEDER FIGURE F .13 – WIRE DRIVE ASSEMBL Y REMOV AL (FOUR-ROLL FEEDER[...]

  • Página 105

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-41 SWING ARM ASSEMBL Y REPLACEMENT FOR TWO-ROLL WIRE FEEDERS ELECTRIC SHOCK can kill. • Observe all safety precautions detail[...]

  • Página 106

    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 REP AIR PROCEDURE 1. Rotate the latch knob on the quick release assembly to the open position and swing the arm away from the gearbox. See Figure F .14. 2. Remove the hex head bo[...]

  • Página 107

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-43 6. Place the idle roll assembly into the groove pin. Secure in place with a speed clip. 7. Slide the pivot pin into the swin[...]

  • Página 108

    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 TROUBLESHOOTING AND REP AIR F-44 LN-7 GMA WIRE FEEDER SWING ARM ASSEMBL Y REPLACEMENT FOR FOUR-ROLL WIRE FEEDERS ELECTRIC SHOCK can kill. • Observe all safety precautions detai[...]

  • Página 109

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-45 REP AIR PROCEDURE 1. Remove the allen head setscrew from the center post of the wire drive assembly . See Figure F .15. 2. U[...]

  • Página 110

    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 TROUBLESHOOTING AND REP AIR F-46 LN-7 GMA WIRE FEEDER SWING ARM ASSEMBL Y REPLACEMENT FOR FOUR-ROLL WIRE FEEDERS (continued) 7. Place the two swing arms and spacers in the center[...]

  • Página 111

    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 GAS SOLENOID AND CONNECTIONS REPLACEMENT ELECTRIC SHOCK can kill. • Observe all safety precautions detailed throughout this manual. T urn off input power to the wire feeder . O[...]

  • Página 112

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-48 GAS SOLENOID AND CONNECTIONS REPLACEMENT (continued) FIGURE F .16 – GAS SOLENOID DISASSEMBL Y . GAS OUTLET FITTING RET AIN[...]

  • Página 113

    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-7 GMA WIRE FEEDER TROUBLESHOOTING AND REP AIR F-49 REP AIR PROCEDURE 1. Remove the cover from the control box by removing the four 5/16 in. screws from the top and side of the[...]

  • Página 114

    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 RETEST AFTER REP AIR If a failed test indicates that any mechanical part which could affect the machine’ s electrical characteristics must be replaced, or if any electrical com[...]

  • Página 115

    Electrical Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section G G1706 Control PC Board Components . . . . . . . . . . . . . . . . . . . . . . G-1 Wiring Diagrams Codes 9168 and 9386 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-3 Codes 9643 and 9796 (4R) . . . . . . . . . . . .[...]

  • Página 116

    ELECTRICAL DIAGRAMS LN-7 GMA WIRE FEEDER G-1 PC BOARD LA YOUT 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 avail- able from Lincoln Electric. This information is provided for r[...]

  • Página 117

    ELECTRICAL DIAGRAMS LN-7 GMA WIRE FEEDER G-2 PC BOARD LA YOUT 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 avail- able from Lincoln Electric. This information is provided for r[...]

  • Página 118

    G-3 ELECTRICAL DIAGRAMS LN-7 GMA WIRE FEEDER Wiring Diagram — Codes 9168 and 9386 LN-7 GMA WIRING DIAGRAM 15021 4-4-86L 1 3 2 4 6 5 567 21 508 509 526 525 567 21 OPTIONAL ANALOG METER KIT PLUG OPTIONAL DIGITAL METER KIT PLUG P5 J5 D C F B A E . CR2 526 527 21 GLP REED SWITCH N.E. GND 2 4 INPUT CONTROL CABLE TO CONTACTOR CIRCUIT 115 V.A.C. WORK 4 [...]

  • Página 119

    G-4 ELECTRICAL DIAGRAMS LN-7 GMA WIRE FEEDER Wiring Diagram — Codes 9643 and 9796 LN-7 AND LN-7 GMA WIRING DIAGRAM 16056 1 3 2 4 6 5 567 21 508 509 526 525 567 21 OPTIONAL ANALOG METER KIT PLUG OPTIONAL DIGITAL METER KIT PLUG P5 J5 D C F B A E . CR2 526 527 21 GLP REED SWITCH N.E. GND 2 4 INPUT CONTROL CABLE TO CONTACTOR CIRCUIT 115 V.A.C. WORK 4[...]

  • Página 120

    G-5 ELECTRICAL DIAGRAMS LN-7 GMA WIRE FEEDER Wiring Diagram — Codes 9928 and 9931 1 3 2 4 6 5 567 21 508 509 526 525 567 21 OPTIONAL ANALOG METER KIT PLUG OPTIONAL DIGITAL METER KIT PLUG P5 J5 D C F B A E . CR2 526 527 21 GLP REED SWITCH N.E. GND 2 4 INPUT CONTROL CABLE TO CONTACTOR CIRCUIT 115 V.A.C. WORK 4 2 1 6 * 31 32A 531 4 2 3 P1 1 6 * 4 2 [...]

  • Página 121

    G-6 ELECTRICAL DIAGRAMS LN-7 GMA WIRE FEEDER Schematic Diagram — CONTROL P .C. BOARD LM224 X101 4 11 C120 (1) C103 600V .02 C102 1.00K R108 24Vdc CR101 J102 6 S2 S1 S1 D107 D119 15J 50V TP103 R101 25W GND. 21 32 J5 3 A 5 METER KIT RECEPTACLE 525 (NOT ON P.C. BOARD) (SPEED) R2,10K C ACCELERATION 544 542 543 (3) SPEED CONTROL CW HIGH ON DELAY RESET[...]