Cebora POWER TIG 1640 DC HF Manual De Instrucciones página 8

G
F
E
D
A
P
sten electrode to the workpiece, then lift it. This move must
be quick and decisive.
After starting, the current reaches the value set using knob
H.When the trigger is released, the current begins to drop
over the "slope down" time previously set using knob M,
until it returns to zero.
In this position, you may connect the pedal control acces-
sory ART. 193,
TIG
D - LED. 4-stage TIG welding (automatic). Start
without high frequency.
This program differs from the previous one in that the arc is both
started and shut off by pressing and releasing the torch trigger
TIG
C - LED. 2-stage TIG welding (manual). Start
with high frequency.
To light the arc, press the torch trigger: a high voltage/fre-
quency pilot spark will light the arc.
The operating logic is the same as described for the LED E.
In this position, you may connect the pedal control acces-
sory ART. 193,
TIG
B - LED. 4- stage TIG welding (automatic). Start
8
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H
I
C
L
M
B
O
Q
with high frequency.
This program differs from the previous one in that the arc is both
started and shut off by pressing and releasing the torch trigger
percentage intermittence admissible for the machine, and
simultaneously blocks the current output.
NOTE: In this condition the fan continues cooling the
power source.
25
3
2
0
G - LED - THERMAL PROTECTION
Lights when the operator exceeds the duty cycle or
H - KNOB
75 95
70 90
Adjusts the welding current.
50
115
50
115
130
25
135
140
10
MMA
5 A 150
TIG
M - KNOB
5 6
4
7
8 Slope down. This is the time in which the current
9
reaches the minimum value and the arc shuts off.
10
(0-10 sec.)
S
G
R