MAC TOOLS M-25 Owner's Manual page 27

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Select Voltage and Wire
Speed Based on Thickness
of Metal Being Welded
3/8"
1/4"
3/16"
(9.5 mm)
(6.4 mm)
(4.8 mm)
5/85
6/100
5/66
4/58
4/50
5/50
7/70
5/56
4/36
5/40
7/60
4/85
5/100
4/70
5/76
7/100
7/82
4/60
4/55
7/60
4/50
4/45
4/50
5/58
6/50
4/38
3/30
4/30
3/20
5/46
5/100
6/90
5/72
7/75
5/70
4/64
6/50
5/42
5/38
6/45
5/36
4/28
5/16
4/12
6/18
6/64
5/56
4/54
4/50
6/60
5/54
read settings:
To
Number on left of slash
is
voltage, number
right of
is
slash
wire−
speed.
Means not
"—"
recommended.
1/8"
14 ga.
16 ga.
(3.2 mm)
(2.0 mm)
(1.6 mm)
4/75
3/60
3/50
3/45
3/36
2/22
4/44
3/30
3/20
4/34
3/30
3/25
3/75
3/70
2/50
3/60
2/46
2/36
3/48
2/40
2/26
3/46
3/40
2/30
2/30
2/20
1/10
2/20
2/10
1/0
2/0
2/0
4/80
3/60
3/52
4/60
3/38
3/30
4/62
3/35
2/20
4/34
3/32
4/28
3/20
4/12
4/54
3/52
4/50
3/40
2/40
=
Example:
50
4
40
5
3
on
30
2
6
20
7
1
10
VO L T A
G E
WIRE SPEED
18 ga.
20 ga.
(1.2 mm)
(0.9 mm)
2/36
2/30
2/16
2/8
2/10
2/0
_
2/20
2/40
1/28
1/22
1/10
1/10
1/0
2/22
1/0
1/0
2/22
2/18
2/14
60
70
80
90
22 ga.
(0.8 mm)
1/15
1/0
1/0
1/22
1/8
1/0
200 785
OM-219 806 Page 23

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