Installing Welding Gun - Hobart Handler 190 Technical Manual

3-2. Installing Welding Gun

Spool Gun
É É É
É É É
É É É
6
MIG Gun
.
Be sure that gun end is tight against drive assembly.
Incorrect
Gun Not Seated
Handler 190
1
3
4
4
Exposed O-rings
will cause shielding
gas leakage.
5
2
4
Correct
Gun Fully Seated
1 Drive Assembly
2 MIG Gun
3 Gun Securing Thumbscrew
4 Gun End
Loosen thumbscrew. Insert end
through opening until it bottoms
against drive assembly. Tighten
thumbscrew.
Welding gun must be inserted
completely to prevent leakage of
shielding gas.
5 Gun Trigger Plug
Insert plug into receptacle, and
tighten threaded collar.
6 Spool Gun/MIG Gun Switch
Place switch in MIG Gun position.
Close door.
260 458-A
TM-260 273 Page 5