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SECTION
5- OPERATOR
CONTROLS
Output
Control
Switch
Circuit Breaker CB1
Positive
(+)
Weld
Output
Terminal
Negative ()
Weld
Output
Terminal
Power
Switch
ON
Push Button
TC-131
955
Figure
5-1. Front Panel View
POWER
-e
5-2.
PILOT LIGHT
(Figure
5.1)
ON
Q
OFF
CV/CC Switch
Output
Control
Power Switch OFF
Pilot
Ught
Push Button
5-1.
POWER SWITCH
(Figure 5-1)
Depressing
the
POWER switch ON
push
button
ener
gizes
the
welding
power
source.
Depressing
the POW
ER switch OFF
push
button shuts down the
welding
power
source.
IMPORTANT: After any
interruption
of
input
power. the
POWER switch ON
push
button
must
be
depressed
to
reenergize
the
welding
power
source.
5-3
OUTPUT CONTROL
(FIgure
5-1)
The OUTPUT control
provides
a means
of
selecting
the
desired
output
within the entire range of the
welding
power
source.
The control
adjusts
the
voltage level(V)
in
the CV mode and the
amperage
level
(A)
in the
CC mode
from minimum
to
maximum of power
source
capability.
Rotating
the control clockwise increases weld
output,
and
rotating
the control counterclockwise decreases
weld
output.
IMPORTANT:
The OUTPUT control may be
adjusted
while
welding.
5-4.
ARC
CONTROL/INDUCTANCE
CONTROL
(FIgure
5.1)
The ARC CONTROL/INDUCTANCE
control functions
as an arc
control in the constant
current
(CC)
mode and
as an
inductance control
in the
constant
voltage (CV)
mode.
IMPORTANT:
The ARC
CONTROL/INDUCTANCE
control
may be
adjusted
while
welding.
The control
should be
set at
0
(zero)
for
Gas
Tungsten
Arc
Welding
(GTAVV9.
The
pilot light
comes on
when the POWER switch
ON
button is
depressed
and indicates that the unit is
ener
gized.
OM-126
853
Page
12
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