Miller Electric CV-2 owner manual Table of Contents

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TABLE OF CONTENTS

Section No.

Page No.

SECTION 1 – SAFETY PRECAUTIONS AND SIGNAL WORDS

 

1-1. General Information And Safety

1

1-2. Safety Alert Symbol And Signal Words

1

SECTION 2 – SPECIFICATIONS

 

2-1.

Volt-Ampere Curves

3

2-2.

Description

3

SECTION 3 – INSTALLATION OR RELOCATION

 

3-1.

CV-2 Installation

3

3-2. Remote-5 Receptacle Information And Connections

8

3-3.

Remote-14 Receptacle Information And Connections

8

SECTION 4 – OPERATOR CONTROLS

4-1. Constant Voltage (CV)/Constant Current (CC) Switch . . . . . . . . . . . . . 12

4-2. Current Control Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4-3. Output/Contactor Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4-4. AC/DC Selector Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4-5. Circuit Breaker For Control Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SECTION 5 – SEQUENCE OF OPERATION

5-1. Gas Metal Arc (GMAW) And Flux Cored Arc Welding (FCAW) . . . . . 14

5-2. Shielded Metal Arc Welding (SMAW) . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5-3. Gas Tungsten Arc Welding (GTAW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5-4. Shutting Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

SECTION 6 – MAINTENANCE & TROUBLESHOOTING

6-1.

Routine Maintenance

17

6-2.

Resetting Circuit Breakers

17

6-3. Circuit Board PC3 Or PC4 Replacement Procedure

17

6-4.

Tungsten Electrode

18

6-5.

Troubleshooting

20

SECTION 7 – ELECTRICAL DIAGRAM

 

Diagram 7-1. Circuit Diagram For CV-2

22

Diagram 7-2. Wiring Diagram

22

SECTION 8 – PARTS LIST

 

Figure 8-1. Main Assembly

24

 

LIST OF CHARTS AND TABLES

 

Table 2-1. Specifications

1

Chart 2-1. DC Volt-Ampere Curves (CV Mode)

2

Chart 2-2. AC Volt-Ampere Curves (Single-Phase, CC Mode)

2

Table 6-1. Maintenance Schedule

17

Table 6-2. Tungsten Electrode Size

19

Table 6-3. Troubleshooting

21

OM-880B – 7/93

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Contents OWNER’S Manual From Miller to You Table of Contents Page Safety Alert Symbol and Signal Words Safety Precautions and Signal WordsSpecifications General Information and SafetyBIG 50 Diesel Models BIG 40 Diesel And BIG 40G ModelsInstallation or Relocation CV-2 InstallationDescription BIG 30 Diesel Cable Selector Switch S1 AC Connections OM-880 Final Procedure REMOTE-5REMOTE-5 Receptacle Information and Connections -6 REMOTE-14 Receptacle Information and Connections Figures 3-7 REMOTE-14Amphenol Electrode Cable Series Current Control Remote Current Control Switch FigureCurrent CC Switch Figure Operator ControlsOutput Contactor Remote Electrode POS NEGCircuit Breaker GAS Metal ARC Gmaw and Flux Cored ARC Welding Fcaw Sequence of OperationGAS Tungsten ARC Welding Gtaw Shielded Metal ARC Welding SmawShutting Down Maintenance & Troubleshooting Excessive Pressure can break circuit board Tungsten Electrode -2, And Figures 6-2For AC or DC Electrode Positive Welding Fig- ure Green Band Thorium Alloyed Tungsten Red BandZirconium Alloyed Tungsten Brown Band Tungsten Preparation Trouble Probable Remedy TroubleshootingDiagram 7-2. Wiring Diagram For CV-2 Electrical DiagramParts List Main Assembly Dia Part Description Quantity Mkgs Call Miller for your local Miller distributor Miller Electric Mfg. Co Owner’s Record