Miller Electric OM-227 398D manual Gun Drive Assembly Maintenance For An XR-Aluma-Pro Gun

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5-5. Gun Drive Assembly Maintenance For An XR-Aluma-Pro Gun

 

 

 

 

 

1

Lever Arm

 

 

 

 

 

Using lever arm open pressure roll

 

 

 

 

 

with bearing as shown.

 

 

 

 

 

 

 

 

 

 

Retract wire onto spool.

 

 

 

 

 

2

Drive Roll

 

 

 

 

 

Use wire brush to clean drive roll.

 

 

 

 

 

Install drive roll with hex opening

 

 

 

 

 

down toward shaft hex, and secure

 

 

 

 

 

with screw.

2

3

Pressure Roll

Thread welding wire through gun.

 

 

 

 

 

Close pressure roll assembly and idler roll (located in XR control box). Press jog switch until wire is stick- ing out end of contact tip.

. When changing wire size and using an XR control box you should change the control box drive roll and idler. See XR owners manual for details.

Close top cover.

1

3

Tools Needed:

5/16 in

Ref. 804 544-B

OM-227 398 Page 15

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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 Torch Only Specifications− Introduction Duty Cycle And OverheatingDo 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 GunsGun End Power Pin EndTurn Off welding power source and wire feeder Replacing The Gun Liner On XR-Aluma-Pro GunsRoutine 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