Adjust wire feed
speed ( ) and
voltage ( )
Flux-
cored
* Face the appropriate groove
towards the inside of machine
Set drive roll
Solid
wire
• Generator OK with continuous output >
4,000 W
• Extension cord: #12 AWG or larger;
25’ (8m) or shorter
120VAC, 20A
outlet,
30A breaker
recommended
Connect to Input Power
With contact tip
1/4” from metal,
depress trigger
completely to
initiate arc
Install wire spool
0.023” (0.6mm) - 0.030” (0.8mm) diameter
8” (200mm)
wire spool
4” (100mm)
wire spool
Feed wire and set pressure
Knob set ~2-3
marks
Remove
consumables
and depress
trigger until
wire comes out.
Replace
consumables.
See chart on welder
for correct settings
FIND MIG WELDING TIPS AT WWW.ASKFORNEY.COM
4.
5.
6.
7.
9.
10.
11.
8.
Connect MIG gun and ground clamp
QUESTIONS OR TROUBLE? Contact Forney Industries at 1-800-521-6038
[email protected] • askforney.com • forneyind.com
MIG QUICK START GUIDE
140 MP WELDER
(NOT RECOMMENDED FOR ALUMINUM)
CAT# 271
Set polarity for MIG (Solid wire)
or Flux-cored
Solid wire
Flux-cored
Read user manual
2.
3.
1.
Select process
Pressure knob
EN_v1-4
NOTE: If using gas:
2. Attach hose to
regulator and
regulator to
gas bottle.
1. Attach gas hose
to machine.
MIG Gun
Ground
Clamp
