OM-174 470 Page 5
SECTION 3 – OPERATION
MOVING PARTS can cause injury.
•
Keep away from pinch points such as drive rolls.
•
Keep all doors, panels, covers, and guards closed
and securely in place.
ARCING can damage switch.
•
Do not change Voltage switch position while
welding.
Arcing inside switch can damage contacts, causing
switch to fail.
READ SAFETY BLOCKS at beginning
of manual before proceeding.
WARNING
1
Insulating Gloves
2
Safety Glasses With Side
Shields
3
Welding Helmet
Wear dry insulating gloves, safety
glasses with side shields, and a
welding helmet with a correct shade
of filter (see ANSI Z49.1).
sb3.1 10/91
1
2
3
Figure 3-1. Safety Equipment
1
Power Switch
Use switch to turn unit On and Off.
2
Wire Speed Control
Use control to select a wire feed
speed. As Voltage switch setting
increases, wire speed range also
increases. The numbers around
the control are not a wire feed
speed (see last page of Parts List).
3
Voltage Switch
Use switch to select an arc voltage.
The higher the selected number,
the thicker the material that can be
welded (see last page of Parts List).
4
Work Clamp
Connect work clamp to clean,
paint-free location on workpiece, as
close as possible to weld area.
Use wire brush or sandpaper to
clean metal at weld joint area.
Ref. ST-155 508-A / Ref. ST-182 488
Tools Needed:
1
2
3
4
Figure 3-2. Controls
