Miller Electric M-25 Maintenance & Troubleshooting, Turn off welding power source/wire feeder

Page 10

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

5-1. Removing Nozzle, Contact Tip, And Adapter, Changing Liner, And Cleaning Gun Casing

2

3

4

 

 

 

 

 

Head

1

 

Tube

 

 

7/16 in

5/8 in

Remove nozzle, contact tip, and adapter.

Blow out gun casing.

3/4 in

(20 mm)

Liner

Stickout

Tools Needed:

YTurn off welding power source/wire feeder.

1Nozzle

2Contact Tip

3Tip Adapter

4Nozzle Adapter

.Wire size stamped on tip − check and match wire size.

Cut off wire and disconnect gun from feeder.

Unscrew and remove liner.

Lay gun cable out straight before installing new liner.

Reassemble gun in reverse order from taking it apart.

Install

Liner

.Thread wire according to

welding power source/wire feeder manual.

5/8, 7/16 in

804 466-A

OM-227 796 Page 6

Image 10 Contents
2006−05 From Miller to You Table of Contents Page Marks a special safety message Symbol UsageGmaw Gun Hazards California Proposition 65 Warnings EMF Information About Pacemakers − Installation − Safety InformationSpecifications Installing Gun Duty Cycle And Overheating− Operation Operating The Gun− Maintenance & Troubleshooting Turn off welding power source/wire feederReplacing Switch And/Or Head Tube Troubleshooting Routine MaintenanceEach Spool Of Wire Gized wire feeds unevenly− Parts List M-25 Gun+OPTIONAL Service SupportOwner’s Record