Forney SPOOL PRO HORNET SG 250 User manual

3A. 3B.
3C.
SPOOL GUN QUICK START GUIDE
SPOOL PRO
™
HORNET SG 250
™
ITEM# 85620
Read user manual
2.
3.
1.
Install the welding wire
2A. 2B. 2C.
Machine setup
If using a Forney multi-process
(MP) machine, ensure process
selector is set to “MIG”
MIG welding aluminum is a
DCEP+ process
Forney®220 MP:
3D.
Forney®190 MP:
4.
The 0.035” groove can also be
used with 0.030” wire
Top feed wire

SPOOL GUN TROUBLESHOOTING TIPS
FIND MORE INFORMATION AT FORNEYIND.COM
QUESTIONS OR TROUBLE? Contact Forney Industries at 1-800-521-6038 [email protected]
forneyind.com
To prevent burn-back issues, always use contact tips that are one size larger
than the selected welding wire. For example, if using 0.030” wire, use an
0.035” contact tip
TIP #1
When welding aluminum, ALWAYS use 100% pure Argon shielding gas
TIP #2
Use a slight push angle when using a spool gun
TIP #3
ITEM
1
2
2
2
3
Description
Gas Nozzle
0.030” Contact Tip
0.035” Contact Tip
0.045” Contact Tip
Gas Diffuser
Industry Standard #
TWECO 23-50
TWECO 14H-30
TWECO 14H-35
TWECO 14H-45
TWECO 52FN
Always use 100% Pure Argon when welding aluminum
Basic MIG Settings for 4XXX Series Aluminum
Material Thickness Material ThicknessWire Diameter Voltage (V) Wire Feed Speed (IPM) Wire Diameter Voltage (V) Wire Feed Speed (IPM)
22 GA
20 GA
18 GA
16 GA
14 GA
12 GA
1/8”
3/16”
1/4”
3/8”
1/2”
3/4”
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
0.030
0.035
0.047
13.5
13.5
N/A
13.5
13.5
N/A
14.5
14
N/A
15.5
15
N/A
16.5
15
N/A
17.5
17
N/A
200
150
N/A
240
220
N/A
290
220
N/A
340
250
N/A
370
270
N/A
425
325
N/A
25
25
20.5
25
25
20.5
28.5
27
27.5
29
28
27.5
N/A
29
28
N/A
N/A
30
450
410
200
500
450
220
550
525
250
600
550
260
N/A
600
280
N/A
N/A
290