OM-272384 Page 13
4-3. Connecting Spool Gun To Millermatic 211 Auto-Set
Ref. 804 984-A / Ref. 805 390-A / Ref. 801 987
6
7
1
3
2
4
8
Correct: Gun Fully Seated
Incorrect: Gun Not Seated
1 Drive Assembly
2 Spool Gun
3 Gun Securing Knob
4 Gun End
5 Exposed O-Rings
Loosen thumbscrew. Insert end through
opening until it bottoms against drive assem-
bly. Tighten gun securing knob.
Spool gun must be inserted completely to
prevent leakage of shielding gas.
F
Exposed O-rings will cause shielding
gas leakage.
F
Be sure that the gun end is tight against
drive assembly.
6 Gun Trigger Plug
Insert plug into receptacle, and tighten
threaded collar.
7 Polarity Changeover Terminal Block
To make proper polarity connection, see
welding power source Owner’s Manual.
8 MIG Gun/Spool Gun Switch
Place switch in Spool Gun position.
Close door.