Miller Electric 255 warranty Threading Welding Wire, Scale

Page 15

2-13. Threading Welding Wire

 

 

 

 

 

 

 

 

 

 

1

Wire Spool

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Welding Wire

 

 

 

 

 

 

 

 

 

 

3

Inlet Wire Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Pressure Adjustment Knob

 

 

 

 

 

 

 

 

 

 

5

Drive Roll

4

 

6

Outlet Wire Guide

 

 

 

 

 

 

 

 

 

 

7

Gun Conduit Cable

 

 

 

 

 

 

 

 

 

7

Lay gun cable out straight.

 

 

 

 

 

 

 

 

 

 

 

Tools Needed:

1

2

3

5

6

 

 

 

 

 

Open pressure assembly.

Tighten

6 in (150 mm)

Pull and hold wire; cut off end.

.Use pressure indicator scale to set a desired drive roll pressure.

4 in (102 mm)

Push wire thru guides into gun;

continue to hold wire.

1

Pressure

2

Indicator

3

Scale

4

 

Close and tighten pressure assembly, and let go of wire.

Press gun trigger until wire comes out of gun. Reinstall contact tip and nozzle.

Remove gun nozzle and contact tip.

Turn On.

Tighten

 

1

 

2

 

3

WOOD

4

 

Feed wire to check drive roll pressure.

Cut off wire. Close

Tighten knob enough to prevent slipping.

and latch door.

Ref. ST-148 261-D / ST-159 218-C / ST-801 083 / S-0627-A

OM-157 066 Page 11

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Contents Auto ArcR M-25 Gun Page Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards 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 F2Cleaning Or Replacing Gun Liner Disconnect gun firstTo Reassemble Gun 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