Lincoln Electric SVM188-A Accessories, Wire Feeders and Tractors, Field Installed Options

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C-2

ACCESSORIES

C-2

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WIRE FEEDERS AND TRACTORS

The DC-600 can be used to power any of the following Lincoln Wire Feeders and Tractors:

Semi-Automatic Wire Feeders:

DH-10

LN-9

LN-7

LN-9 GMA

LN-7 GMA

LN-23P

LN-742

LN-25

LN-8

LN-10

Automatic Wire Feeders:

NA-3NA-5R

NA-5

Tractors:

LT-7LT-56

Undercarriages (K817P, K842)

For easy moving of the machine, optional undercar- riages are available with polyolefin wheels (K817P) or a platform undercarriage (K842) with mountings for two gas cylinders at rear of welder.

Paralleling Kit (K1611-1)

Permits paralleling of two DC-600's for welding cur- rents of up to 1200 amps, 100% duty cycle.

Tig Module (K930-2)

Portable high frequency generator for AC/DC TIG welding.

FACTORY OR FIELD INSTALLED OPTIONS

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FIELD INSTALLED OPTIONS

Remote Output Control (K775 or K857 with K864 Adapter)

An optional “remote out control” is available. The K775 is the same remote control that is used on other Lincoln power sources. The K775 consist of a control box with 28 feet (8.5mm) of four conductor cable. This connects to terminals 75,76, and 77 on the terminal strip (T.S.1) and the case grounding screw so marked

with the symbol “ ” on the machine. These termi- nals are located behind the hinged cover on the case front. This control will give the same control as the out- put control on the machine.

The K857 is similar to the K775, except the K857 has a 6-pin MS-style connector. The K857 requires a K864 adapter cable which connects to the 14-pin connector on the case front.

Remote Control Adapter Cable (K864)

S T R A I G H T P L U G ( 1 4 P I N )

 

 

 

 

 

 

 

 

 

C A B L E R E C E P T A C L E ( 6 S O C K E T )

 

 

 

 

 

 

 

 

 

TO P O W E R S O U R C E

 

 

 

 

 

 

 

 

 

T O : K 8 5 7 R E M O T E C O N T R O L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C A B L E R E C E P T A C L E ( 1 4 S O C K E T )

T O : L N - 7 W I R E F E E D E R S

A "V" cable 12" (.30 m) long to connect a K857 Remote Control (6-pin connector) with an LN-7 wire-feeder (14- pin connector) and the machine (14-pin connector). If a remote control is used alone the wire-feeder connec- tion is then not used.

Multi-Process Switch (K804-1)

The MULTI-PROCESS SWITCH gives you the ability to:

Switch between "stick welding or air/carbon arc cut- ting" and using a semi-automatic or automatic wire feeder.

Change the polarity of a semi-automatic or auto- matic wire feeder without changing any electrical cable connections.

See Figure C.1

 

+

-

STICK OR

AIR

 

CARBON

 

ARC

+

WIRE

STICK OR

FEEDER

AIR/CARBON

CABLES

ARC CABLES

FIGURE C.1 - MULTI-PROCESS SWITCH

DC-600

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Contents DC-600 ISAFETYi Fumes and Gases SafetyElectric Shock can kill Can be dangerousPowered equipment For ElectricallyPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcElectromagnetic Compatibility EMC Safety Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications DC-600Safety Precautions Electric Shock can KillSelect Proper Location Fuse and Wire Sizes Electrical Input ConnectionsGround Connection Reconnect Procedure Connection for Highest Rating Plate VOLTAGE, 50 or 60 HZConnection for 440 Volts 50 or 60 HZ V 60HZ See Machine Rating Plate for Required Input Supply Voltage Output Connections ELECTRODE, Work and #21 LeadConnections Auxiliary Power Control Connections Terminal Strip 1 T.S.1Terminal Strip 2 T.S.2 DC-600 Table of Contents Operation Section Safety Precautions OperationDesign Features Advantages General DescriptionRecommended Processes and Equipment Welding Capability Meanings of Graphical Symbols on Case FrontOFF Input Power Output Control Output Voltage CurrentMeaning of Graphical Symbol for Ground CON- Nection Controls and SettingsAuxiliary Power in MS-RECEPTACLE OVERLOAD, OVERCURRENT, and Fault ProtectionRemote Control of Machine Operation Welding Procedure RecommendationsOperating Steps NA-3 Automatic Wire Feeder RemoteLN-8 or LN-9 SEMI-AUTOMATIC Wire Feeder LN-7 and Other Constant Wire FeedersDC-600 Table of Contents Accessories Section Factory or Field Installed Options AccessoriesWire Feeders and Tractors Field Installed OptionsFigure C.2 MULTI-PROCESS Switch Cable Connections Accessories Table of Contents Maintenance Section Maintenance Safety Precautions Electric Shock can KillRoutine and Periodic Maintenance 1TABLE of CONTENTS-THEORY of Operation Section E-1 Theory of Operation Input Circuit and Main TRANS- FormerFiring CIRCUIT, Control CIR- Cuit and Rectification RectificationFiring Board Thermal Protection SCR Operation DC-600 1TABLE of Contents Troubleshooting and Repair F-1 2TROUBLESHOOTING and REPAIRF-2 HOW to USE Troubleshooting GuideTroubleshooting and Repair PC Board Troubleshooting ProceduresControl Feeder. See Protective Devices Check all three phase input Output Control J1,Pin2. See Wiring Diagram Wiring Diagram PC Board Troubleshooting Guide Test DescriptionMaterials Needed PC Board Troubleshooting Guide Control Board Figure F.2 Control Board LEDsDC-600 Internal Trigger Circuit Test Procedure Internal Trigger Circuit TestInternal Trigger Circuit Test 75 76DC-600 Firing Board Test Firing Board Test Control Board Test Control Board Test Figure F.7 Control BoardMain Transformer Voltage Test Main Transformer Voltage Test Figure F.8 Input Contactor and Reconnect PanelFigure F.9 Transformer Secondaries Main Transformer Voltage Test Control Transformer Test Procedure Control Transformer TestInput Contactor Test Input Contactor Test Voltage TestSCR Bridge Test Anode Cathode Remove Insulating Paint SCR Bridge TestActive Test Scope Settings Maximum Output Setting no Load Minimum Output Setting no Load 35TROUBLESHOOTING and REPAIRF-35 2V/Div Volts DC-600 Input Contactor CR1 CLEANING/REPLACEMENT Input Contactor CLEANING/REPLACEMENT Procedure Cleaning ProcedureContactor Replacement Procedure SCR Rectifier Bridge Removal and Replacement Procedure Removal Procedure 42TROUBLESHOOTING and REPAIRF-42Removal and Replacement Procedure SCR Rectifier BridgeReplacement Procedure Insulator Lock Washer Plain Washer Output Snubber LeadDC-600 Main Transformer and Choke Removal and Replacement Removal and Replacement Main Transformer and ChokeRemoval Procedure Weld Input Idle Amps and Watts Maximum Open Circuit VoltagesDC-600 Table of Contents Diagram Section Electrical Diagrams Wiring Diagram 230/460/575 Volt Machines G3506-1 Schematic Complete Machine G3575 Schematic Control PC Board G3408-1 Control PC Board Assembly G3409-1 Schematic Firing PC Board G3741-1