Installing Welding Gun; Connecting A Spoolmatic 30A Gun; Setting Gun Polarity For Wire Type - Miller Electric Millermatic 250X Owner's Manual

2-5. Installing Welding Gun

2-6. Connecting A Spoolmatic
The Spoomatic 30A welding gun connects directly to the 10-pin receptacle on the front of the welding power source –
no adapter required. NOTE: Two welding guns may be connected to the welding power source at the same time, but
only one welding gun may be in use at any one time. If the triggers of both welding guns are pulled at the same time, the
weld output and wirefeed motor are disabled.

2-7. Setting Gun Polarity For Wire Type

3/4, 11/16 in
1
3
4
2
R
30A Gun
1 Drive Assembly
2 Gun Securing Knob
3 Gun End
Loosen securing knob. Insert gun
end through opening until it bottoms
against drive assembly (make sure
gun end does not touch drive rolls).
Tighten knob.
4 Gun Trigger Plug
Insert plug into receptacle, and
tighten threaded collar.
Close door.
1 Polarity Changeover Label
Always read and follow manufac-
ture's recommended polarity.
1
Ref. 190 821-A
OM-1319 Page 11
Ref. 802 553