Miller Electric CV-2 owner manual Shutting Down

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5.If high frequency is desired, install and connect the high frequency unit according the the equip- ment Owner’s Manual.

6.Select and obtain proper tungsten electrode (see Table 6-2).

7.Prepare tungsten electrode according to Section 6-4, and insert into torch.

8.Wear dry insulating gloves and clothing.

9.Connect work clamp to clean, bare metal at work- piece.

10.Rotate the AMPERE RANGES switch and AM- PERAGE AND VOLTAGE ADJUSTMENT con- trol to the desired position (see welding generator Owner’s Manual).

11.Place the CV-2 CV/CC switch in the CC mode (see Section 4-1).

12.Connect a Remote Contactor Control to the ap- propriate CV-2 REMOTE-5 or REMOTE-14 re- ceptacle, and place the OUTPUT/CONTACTOR switch in the REMOTE position (see Sections 3-2, 3-3, and 4-3).

13.If remote amperage control is not used, place the CV-2 CURRENT CONTROL switch in the PANEL position. If remote amperage control is to be used, place the CURRENT CONTROL switch in the REMOTE position (see Section 4-2).

14.Place the AC/DC Selector switch in the desired position (see Section 4-4).

WARNING: ELECTRIC SHOCK can kill.

Do not use AC output in damp areas, if movement is confined, or if there is a danger of falling.

Use AC output ONLY if required for the weld- ing process.

If AC output is required, use remote output control.

Read and follow Safety Precautions at be- ginning of welding generator Owner’s Manu- al.

15.Turn on the high frequency equipment, if applica- ble.

16.Turn on shielding gas supply and water (if appli- cable) at the source.

17.Start the engine as instructed in the welding gen- erator Owners Manual.

18.Place the AUTO IDLE control switch in the OFF position or the Engine Control switch in the RUN position (see welding generator Owner’s Man- ual).

IMPORTANT: Power requirements by CV-2 compo- nents will cause the welding generator engine to operate at weld rpm continuously in the CV mode if the AUTO IDLE control switch is placed in the ON position or the Engine Control switch is placed in the AUTO IDLE posi- tion. Placing the AUTO IDLE control switch in the OFF position or the Engine Control switch in the RUN posi- tion will prevent mistaking unit operation as a malfunc- tion in the Auto Idle circuitry.

19.Wear welding helmet with proper filter lens ac- cording to ANSI Z49.1.

20.Begin welding.

5-4. SHUTTING DOWN

1.Stop welding.

2.Turn off or disconnect all auxiliary equipment.

3.Remove all weld and power loads from the unit.

4.Allow the engine to idle for a few minutes to per- mit the internal engine temperature to equalize. Increase the idling time if the engine has been op- erating for an extended period or at full load.

5.Stop the engine.

6.Turn off the shielding gas and water/coolant sup- ply if applicable.

WARNING: HIGH CONCENTRATION OF SHIELDING GAS can harm health or kill.

Shut off gas supply when not in use.

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Contents OWNER’S Manual From Miller to You Table of Contents Page Specifications Safety Precautions and Signal WordsGeneral Information and Safety Safety Alert Symbol and Signal WordsBIG 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 CC Switch Figure Current Control Switch FigureOperator Controls Current Control RemoteOutput 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