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B. Making Connections In The Contactor Control Box
1
1/2 in.
Model
SGA 100 w/3035 spool
gun on Millermatic 135
SGA 100 w/3035 spool
gun on Millermatic 135
SGA 100 w/3035 spool
gun on Millermatic 175
SGA 100 w/3035 spool
gun on Millermatic 175
.
These values are starting parameters only. When welding aluminum use 100% argon shielding gas, maintain a 1/2 to 3/4 in. tip to work distance,
and a 10 to 15 degree push angle with the spool gun.
3
5
4
Wire Size / Type
14 ga aluminum
1/8 in. aluminum
.030 / 4043
3/16 in. aluminum
1/4 in. aluminum
14 ga aluminum
1/8 in. aluminum
.035 / 4043
3/16 in. aluminum
1/4 in. aluminum
14 ga aluminum
1/8 in. aluminum
.030 / 4043
3/16 in. aluminum
1/4 in. aluminum
14 ga aluminum
1/8 in. aluminum
.035 / 4043
3/16 in. aluminum
1/4 in. aluminum
Tools Needed:
3/8 in.
6
1/2 in.
2
Metal Size
Wire Feed Speed Setting
.
The SGA 100C can be used
with
MIG
welding
sources by simply following the
hookup procedure for an SGA
100.
1
SGA 100C Control Box
2
Contactor Box
Remove contactor box
3
Contactor Control Leads
4
Spoolgun Weld Cable Ring
Terminal
Cut off ring terminal and strip
insulation back 1/2 in. (13 mm).
5
Terminals
Slide spoolgun weld cable into
terminal 1/2 in. (13 mm). Tighten
set-screw.
6
Weld Cable
Strip insulation back 1/2 in.
(13 mm).
Slide weld cable into terminal 1/2 in.
(13 mm). Tighten set-screw.
Install contactor box back onto
SGA 100C control box.
Go back to Section 4A, Item 6 to
complete this installation.
Ref. 802 189-A
Voltage %
25 − 30
65 − 85
25 − 30
100
—
—
25 − 30
80 − 100
25 − 30
100
—
—
35 − 40
35 − 40
45 − 50
45 − 50
50 − 55
80 − 100
50 − 55
80 − 100
28 − 32
35 − 40
38 − 42
45 − 50
40 − 45
100
40 − 45
100
OM-190 753 Page 5
power
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