OM-249 498 Page 15
SECTION 5
−
INSTALLATION
5-1. Installing Nozzle, Contact Tip, And Adapter
Ref. 243 839-A
!
Turn off welding power
source.
1
Nozzle
2
Contact Tip
3
Tip Adapter
.
Wire size stamped on tip
−
check
and match wire size.
Tools Needed:
8 mm
Head
Tube
8 mm
1
3
2
5-2. Installing Welding Gun
804 695-A
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.
Correct
Incorrect
.
Be sure that gun end is tight against drive assembly.
3
Gun Fully Seated
3
Gun Not Seated
Exposed O-rings
will cause shielding
gas leakage.
Spool Gun
MIG Gun
6
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5
1
3
2
4