Miller Electric OM-234 016D - Manual (Page 23)

OM-234 016 Page 14
3-4. Connecting Spool Gun To Millermatic Passport Plus
805 095-A / Ref. 801 987
1 Drive Assembly
2 Spool Gun
3 Gun Securing Knob
4 Gun End
Loosen thumbscrew. Insert end
through opening until it bottoms
against drive assembly. Tighten
gun securing knob.
Spool gun must be inserted
completely to prevent leakage of
shielding gas.
5
Gun Trigger Plug
Insert plug into receptacle, and
tighten threaded collar.
6
Internal/External Transfer
Switch
Place switch in the External Gas
Supply position.
7
Polarity Changeover Terminal
Block
To make proper polarity connection,
see welding power source Owner’s
Manual.
Close door.
Incorrect
Gun Fully Seated Gun Not Seated
Correct
.
Be sure that gun end is tight against drive assembly.
Exposed O-rings
will cause shielding
gas leakage.
4 4
6
5
7 3 1
2
4