5. The Method of the welding same as 1.1
2.Hand welding with electrode
①
.selector "9" onto the position " DC+ " or "DC-"
②
. select right welding current
select empiric formula:I=40d, d is dia. of the electrode.
③
.Notice positive and negative connection during welding.
④
.Connecting input power for the welder, then switch on the power and current indicating
light "2" is on .
⑤
.Pay attention to rated welding current and rated duty cycle of the welder. Overload is not
allowed.
⑥
.After the welding operation is finished, let the welder be ventilated for a few minutes and
then cut off the power switch.
3.Cutting with compressed air
Put switch"26" (CUT Slector) onto the position "CUT"
ELECTRODE
HOLDER
WORKPIECE
WELDER
ELECTRODE
HOLDER
WORKPIECE
WELDER
torch
workpiece
oo
1
3
4
5
6
7
8
9 10 11
12
13
14
15
16
17
18
19
20
26
27
air compressor
1
3
4
5
6
7
8
9 10 11
12
13
14
15
16
17
18
19
20
26
27
7
8
4
9
10
11
13
3
5
6
15
14
16
17
18
20
1
12
19
26
14
Digi-Multi250 ACDC