MAGNAWELD RS 350 M, User Manual, Page: 47 / 68

Ÿ
Before plugging your machine to the
electrical line check with a voltmeter the correct
voltages indicated at the plate of the machine and
then insert the plug into the socket.
Ÿ
SWITCH ON the machine via power switch (1) .
Ÿ
Observe the fan noise and illumination of the V/A
digital meters
(6-7) .
While inserting the plug
into the socket, pay
attention that main
switch is positioned to
“0”.
Figure 12: Mains Connection
3.2 CHOOSING AND CHANGING THE LINER
3.3 CONNECTING THE TORCH
Ÿ
Insert the torch into the torch connector (9) and
screw its nut (T1) tightly.
Ÿ
If your machine has water cooling unit and you will
use water-cooled torch, connect the cold water
connector
(blue-T2) of the torch to the cold water
supply outlet (26) on the wire feeding unit and
connect the hot water connector (red-T1) of the
torch to the hot water return inlet (27) on the wire
feeding unit (Figure 16).
Figure 16: Connecting the Torch
Nozzle
Contact Tip
Adapter
RS 350 M / RS 400 M / RS 500 M / RS 400 MW / RS 500 MW 45
Figure 13: Removing the Nozzle, the Contact Tip and the Adapter
Nut of Liner
Liner
Liner
Stickout
Figure 14: Removing the Liner and Installing the New Liner
Figure 15: Cutting off the Liner Stick Out and Reassembling the Torch
Ÿ
Check if the liner and the contact tip is matching
with the diameter of the welding wire. If it is
needed, change the liner and the contact tip.
Ÿ
To change the liner; remove the nozzle, the
contact tip and the adaptor respectively
(Figure 13).
Ÿ
Unscrew the liner's nut which is on torch connector
side and remove the liner existing in torch. After
inserting the new liner into the torch, screw its nut
tightly (Figure 14).
Ÿ
Cut off the stick out of the liner with a side cutter. Be
sure that head of the liner is smooth.
Ÿ
Reassemble the adaptor, the contact tip and the
nozzle respectively with help of an appropriate
hand tool (Figure 15).
3. OPERATION
OPERATION
3.1 CONNECTING TO THE MAINS
0
1
2
3
4
WF 4-500
m/min
18
20
V
A
1 1 1
5 6 4
6,8 8,8
4,8
60 70 36
19 20 18
1 1 1 2
4 6 3 1
7,5 10,3 4,8
14,5
60 70 30 100
18 19 17 22
Ø : 0,6 mm
V
A
2 3 1 mm
1 2 1
7 1 5
6,1 7,5 4,2
80 100 60
20 22 19
2 3 1 5
1 1 1 2
6 7 3 5
6,8 7,5 4,8 17,8
80 100 70 190
19 20 17 26
Ø : 0,8 mm
V
A
3 5 2 mm
2 2 1
1 3 7
5,6 7,5 4,8
120 150 100
22 24 20
3 5 2 5 10
1 2 1 2 2
7 4 5 7 7
6,1 10,3 4,8 13,113,1
140 200 100 250 250
20 24 19 30 30
Ø : 1,0 mm
10
2
6
11,2
200
29
9
27
26
1 2 0,5 mm
CO2 Ar/CO (80/20)
2
1 2 0,5 3
T1
T2
T3