Changing Gun Contact Tip; Removing Diffuser In Air And Water-Cooled Pistol-Grip Guns - Miller Electric XR A Owner's Manual

6-6. Changing Gun Contact Tip

6-7. Removing Diffuser In Air And Water-Cooled Pistol-Grip Guns

WARNING
WATER IN GUN PARTS can cause ELECTRIC SHOCK and can lower weld quality.
Turn Off welding power source and water supply before working on gun. Stop engine on welding generators.
Always point gun downward when removing water-cooled barrel to keep water out of gun parts.
Wipe gun dry before putting it back together.
1
Tools Needed:
2
1
2 3
Air Cooled Head Tube Assembly
3/8 in
Remove nozzle
1 Nozzle
2 FasTip
Unscrew FasTip.
Install new FasTip.
Ref. 150 437-A
Turn Off welding power source.
1 Nozzle
2 FasTip
To remove, see Section 6-6.
3 Diffuser
Remove diffuser and replace.
Ref. 803 348-G
OM-1581 Page 33