Miller Electric 255 warranty Installing Work Clamp, Installing Gas Supply

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2-5. Installing Work Clamp

4

1 Work Cable

2 Boot

Slide boot onto work cable. Route cable out front panel opening from inside.

5

3 Negative (–) Output Terminal

Connect cable to terminal and cover connection with boot.

4 Hardware

5 Work Clamp

Route cable through clamp handle

 

1

and secure as shown.

2

 

 

Close door.

 

 

3

Tools Needed:

1/2, 3/4 in

ST-800 918-C

2-6. Installing Gas Supply

7

6

5

4

1

2

3

Tools Needed:

5/8, 1-1/8 in

1Cylinder Rack

2Chain

Obtain gas cylinder and chain cylinder to rack.

3Gas Hose Fitting

4CO2 Washer

5Regulator

Install washer and regulator onto cylinder.

6 Gas Hose Connection

Obtain gas hose with fittings and install between regulator and welding power source.

7 Flow Adjust

Typical flow rate is 20 cfh (cubic feet per hour).

ST-154 623-A / Ref. ST-109 492

OM-157 066 Page 7

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Contents Auto ArcR M-25 Gun Page Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message ARC Rays can burn eyes and skin Fire or Explosion hazard Principal Safety StandardsAbout Pacemakers EMF InformationStainless Steel SpecificationsWeight Volt-Ampere CurveOverheating Welding Power Source Duty Cycle And OverheatingExceeding duty cycle can damage unit and void warranty Welding Gun Duty Cycle And OverheatingInstalling Gas Supply Installing Work ClampRef. ST-800 921-C Positioning Jumper Links Setting Gun PolaritySelecting a Location And Connecting Input Power Electrical Service GuideScale Threading Welding WireControls For Standard Units Front Panel ControlsCenter Baffle Controls Do not Switch Under LoadWeld Parameter Chart OM-157 066 Circuit Breaker CB1 Routine MaintenanceDisconnect power MonthsReplacing Gun Contact Tip Changing Drive Roll And Wire Inlet GuideTurn Off unit, and disconnect input power Fuses F1 And F2To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun first Remove handle locking nut Slide handle Replacing Switch And/Or Head TubeWelding Trouble Remedy TroubleshootingElectrical Diagram OM-157 066 Parts List 089 Baffle, Center w/Components Baffle, Center w/Components -1 Item Wire Drive And Gears Drive Roll And Wire Guide Kits Wire Drive And Gears -2 Item Panel, Rear w/Components Panel, Front w/Components Exploded View Of Gun Exploded View Of Gun Item Page Page Warranty Owner’s Record