![](/images/new-backgrounds/1151248/15124849x1.webp)
.A complete Parts List is available
4-14. Connecting Spool Gun To Millermatic 140/180
6 7
5
1 | 3 | 4 | 2 |
1Drive Assembly
2Spool Gun
3Gun Securing Knob
4Gun 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 Spool Gun/MIG Gun Switch
Place switch in Spool Gun position.
7Polarity Changeover Terminal Block
To make proper polarity connection, see welding power source Owner’s Manual.
. Be sure that gun end is tight against drive assembly. | Close door. |
| |
4 | 4 |
Incorrect | Exposed | Correct |
Gun Not Seated | will cause shielding | Gun Fully Seated |
| gas leakage. |
|
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