Miller Electric OM-227 398D manual For Aluminum Push−Pull welding

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4-4. Threading Welding Wire For Aluma-Pro Gun And Millermatic 350P

1 Wire Spool

2 Welding Wire

3 Inlet Wire Guide

4 Drive Roll

5 Intermediate Wire Guide

6 Outlet Wire Guide

77 Pressure Adjustment Knob

8 Gun Conduit Cable Lay gun cable out straight.

8

1

2

3

4

5

6

Tools Needed:

IMPORTANT!

For Aluminum Push−Pull welding.

Thread hub tension nut loosely

218243−A

3/4 in

Open pressure assembly.

Tighten to 1/2 lb.

1 2 3 4

Push wire thru guides into gun;

continue to hold wire.

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

. Set pressure indicator scale to 1/2 lb.

.Hold wire tightly to keep it from unraveling.

6 in (150 mm)

Pull and hold wire; cut off end.

IMPORTANT!

For Aluminum

Push−Pull welding.

Pressure4321

Indicator

Scale

218244−A

See Section 4-9for threading welding wire through Aluma-Pro guns.

Ref. 803 544-A / 218 243-A / 218 244-A / S-0627-A

OM-227 398 Page 9

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Contents XR Aluma-Pro From Miller to You Table of Contents Declaration of Conformity for European Community CE Products Arc Welding Hazards Symbol UsageAbout Implanted Medical Devices EMF Information− Definitions + +Manufacturer’s Rating Label For CE Products Only Symbols And DefinitionsWeee Label For Products Sold Within The EU − Introduction SpecificationsDuty Cycle And Overheating Torch OnlyDo not use gas pressure above 50 psi 345 kPa − InstallationXR Control Millermatic 350P XR-Water-Cooled Gun Connections Millermatic 350P Water Cooled Gun Connections For Aluminum Push−Pull welding Adjusting Tension At Feeder Threading Welding Wire Through XR-Control FeederOpening Top Cover Of XR-Aluma-Pro Gun Pin Plug InformationFor XR-Aluma-Pro Gun Threading Welding Wire Through Gun− Operation Gun Pressure Roll Tension SettingGun Controls Shielding Gas Coolant Supply For Water-Cooled Models Only Gun Drive Assembly Maintenance For An XR-Aluma-Pro Gun Changing Gun Contact Tip Replacing Head Tube Liner In XR-Aluma-Pro GunsTurn Off welding power source and wire feeder Power Pin EndReplacing The Gun Liner On XR-Aluma-Pro Guns Gun EndRoutine Maintenance For Aluminum Push/Pull Guns − Maintenance & TroubleshootingGun End Turn Off welding power source and wire feeder Cleaning The Gun Liner On XR-Aluma-Pro GunsDisconnect power before troubleshooting Troubleshooting TableTrouble Remedy Circuit Diagram For XR-Aluma-Pro Gun − Electrical DiagramsExploded View Of XR-A Aluma-Pro Gun − Parts ListPart Description Quantity 229 Water Head Tube Assembly Of Aluma-Pro Gun Air Head Tube Assembly Of Aluma-Pro Gun Number − Parts List Including ConsumablesHeavy Duty FasTiptContact Tips SOCKET/WRENCH Selection Table Standard Metric Material Thickness Reference Chart Support ServiceOwner’s Record