Sequence Of Operation - Miller Spectrum 2050 Manuel Du Propriétaire

3-3. Sequence of Operation

Install &
Put On Personal
Connect
Equipment
Equipment
Begin
Cutting
EXAMPLE Of Cutting Operation
Place drag shield on edge of metal,
or allow correct standoff distance –
approximately 1/8 in (3 mm).
Adjust torch speed so
sparks go thru metal and
out bottom of cut.
Do not clean torch by hitting it against a
hard surface. Hitting hard surfaces can
damage torch parts and stop proper opera-
tion.
Check Torch Tip,
Safety Electrode, And
Retaining Cup
The pilot arc starts immediately when
trigger is pressed.
Lift trigger safety lock.
Press trigger. Pilot arc starts.
Pause briefly at end of
cut before releasing trigger.
Inspect shield cup, tip, and electrode for
wear before cutting or whenever cutting
speed has been significantly reduced (see
torch Owner's Manual). Do not operate
torch without a tip or electrode in place.
Check Gas/Air Set
Pressure Controls
start moving torch across metal.
Postflow continues for approx. 5 to
15 seconds after releasing trigger;
Turn On
Power Source
After cutting arc starts, slowly
cutting arc can be instantly
restarted during postflow by
pressing trigger.
ST-801 400-A
OM-2220 Page 17