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Fig.15
position. The pulse current I
MAX by means of the dial
. The corres-ponding pulse current time t
be preselected (from 0,1 to 2 seconds) using the control dial situated
immediately above this
. The LED control lamp
the presence of pulse current I
. The dial
1
current I
(basic current) as an absolute value from MIN to MAX. The
2
necessary pulse current time t
2
background current is indicated by the LED control lamp
Description - standard operating mode
For this operating mode the tumbler switch
to the
position. The pulse function is thus deactivated and the remote
control unit operates using continuous current. The LED control lamp
lights up and remains ON. The welding current may be steplessly adjusted
from MIN to MAX using the regulator dial
Connection of remote control unit: see FR1-1 remote control unit
must be switched to the
can be steplessly adjusted from MIN to
1
lights up to indicate
is used for adjusting the pulse
is fixed by means of the dial
.
must be shifted
.
WELDING START-UP
Fig. 16
Procedure for initial adjustments
- Plug in mains plug.
- Shift the mains switch
- The control lamp
- The air fan should be operational: (check that air is being emitted at the
rear of the machine).
- If necessary, connect a remote control unit
- Plug the welding cables (the type depends on the type of electrode used
- take care to act in accordance with the manufacturer's instructions)
into sockets
and
(recommended Ø: 35mm
- Preselect welding current
- Set arc force control dial
- Welding may now be started
WELDING
Settings
Table 2 gives the ampacity limits for the most important electrode diame-
ters, as well as rules of thumb for calculating them. The values given are
only valid for unalloyed and low-alloy core rods and for the stated electrode
lengths. For root-welding, vertical-up and overhead welding the welder
should use the lower limit. For fillet-welding in horizontal and flat positions
can
1
and also for vertical-down welding, the amperage is set near to the upper
limit.
d
Diameter
mm
. The
I
Length
250/300
mm
I
Amperage
40-80
A
Rule-of-
min.
thumb for
max.
amperage
Table 2
Amperages, as dictated by electrode diameter
7
from "0" to "1"
indicates that the machine is operational.
and secure by turning in a clockwise direction.
).
2
2.0
2.5
3.25
4.0
350
350/450
350/450
50-100
90-150
120-200
20 x d
30 x d
40 x d
50 x d
air outlet
5.0
6.0
450
450
180-270
220-360
35 x d
60 x d
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