Typical Mig Connections And Settings Using Weld Control And Spoolgun - Miller Bobcat 250 Diesel Owner's Manual

6-5. Typical MIG Connections And Settings Using Weld Control And Spoolgun

Tools Needed:
3/4 in.
9
Work
2
!
Stop engine.
.
This section provides general guide-
lines and may not suit all applications.
Typical Settings For 4043 (.035)
Aluminum On 1/8 in. Material:
>
Set Weld Process Selector switch to
Wire + (DCEP) position.
>
Set Coarse Range switch to
Wire/17-22 Range position.
>
Set Fine Control to desired voltage
(arc length). Start with a low voltage
setting (about 4) to prevent burnback.
OM-258413 Page 32
.
Complete Parts List is available at www.MillerWelds.com
8
6
1
11
4
>
Set wire feed speed between 240-270
ipm. For 1/4 in. (6 mm) and thicker
materials, set Coarse Range switch to
Wire/20−28 and Fine Control to 6. In-
crease/decrease Fine Control setting
to increase/decrease arc length.
1 Weld Control
2 Spoolgun
3 Optional Contactor (Recommended)
4 Reed Switch
5 Weld Cable (Customer-Supplied)
6 Weld Control Weld Terminal
7 Weld Power Cable From Spoolgun
10
12
Not Used
To Work
Left Side View
3
6
5 7
8
9
10 100% Argon Cylinder
11 Trigger Control Cord
12 Input Power Cord
Route weld cable from welder/generator
Electrode terminal through reed switch to
unused contactor terminal. Connect weld
cable from spoolgun to weld control weld
terminal (item 6).
Connect work cable to welder/generator
Work terminal.
.
5
259 707 / Ref. 258 070-A / Ref. 802 750-A
Work Clamp
Gas Hose
Miller recommends Hobart filler metals.