Section 3 - Operation; Controls - Miller Electric Weld Oscillator Owner's Manual

3-1. Controls

1 Power Switch And Pilot Light
Use Power switch to turn unit and pilot light
On and Off.
2 Mode Switch
Set-Up position allows adjustment of the
Center Position control to position the weld-
ing gun over the weld joint before the welding
operation.
Y LEAVING UNIT IDLE IN STAND BY
can cause equipment damage. Shut
down unit when not being used in
Stand By mode.
Stand By position automatically centers and
locks the welding gun in place. The Center
Position control is the only functional control
in this mode. The Center Position control will
SECTION 3 – OPERATION
6
5
4
3
cause the gun to move in one direction only
without return capability.
Run position is used during welding. All front
panel controls are adjustable in Run mode.
3 Dwell Controls
Dwell On Left and Dwell On Right controls
set time that welding gun remains at either
end of its set travel width before reversing
direction. Control calibration is in percent
and provides 0.1 to 2 seconds of adjustment.
4 Travel Width Control
This control sets width of welding gun os-
cillation. Control calibration is in percent and
factory set width is 1/8 to 1-1/2 in (3 to 38
mm). Internal adjustment is provided ac-
cording to Section 2-8.
1
2
5 Center Position Control
.
Center Position control is fully opera-
tional in Set-Up and Run modes.
This control adjusts the center of oscillation
to the right or left. Control adjustment pro-
vides a maximum of 1-1/2 in (38 mm) setting
from actual center of the slide.
6 Speed Controls
.
If erratic motor operation occurs at mini-
mum speed setting, slightly increase the
speed setting.
Speed To Left and Speed To Right controls
set speed that welding gun travels from one
end of the set travel width to the other. Con-
trol calibration is in percent and provides 16
to 130 ipm of adjustment.
ST-052 315-A
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