Miller ICE-55CM Manual del usuario - Página 12

Navegue en línea o descargue pdf Manual del usuario para Linterna Miller ICE-55CM. Miller ICE-55CM 38 páginas. Air-cooled torches for plasma arc cutting

Miller ICE-55CM Manual del usuario
13. Sequence Of Operation For 25, 40, 50, 55, 80, And 100 Ampere Torches
!
Inspect shield cup, tip, and electrode for wear be-
fore cutting or whenever cutting speed has been
significantly reduced (see Section 17). Do not op-
erate torch without a tip or electrode in place.
NOTICE − Do not clean torch by hitting it against a hard
surface. Hitting hard surfaces can damage torch parts
and stop proper operation.
Install &
Put On Personal
Connect
Equipment
Begin
Cutting
EXAMPLE Of Cutting Operation
For 25 ampere torch, place tip on
edge of metal.
For 40, 50, 80 and 100 ampere
hand-held torches, place drag
shield on edge of metal, or allow
correct standoff distance −
approximately
1/8 in (3.2 mm).
Adjust torch speed so
sparks go thru metal and
out bottom of cut.
OM-1593 Page 12
Check Torch Tip,
Safety
Electrode, And
Equipment
Retaining Cup
!
The pilot arc starts immediately when trigger is pressed.
Press trigger. Pilot arc starts.
Pause briefly at end of
cut before releasing trigger.
NOTICE − Having pilot arc turn On and Off repeatedly,
such as during the cutting of chain fence, will shorten tip,
electrode and torch life. Put a continuous piece of sheet
metal under the fence to prevent pilot arc from cycling On
and Off. Avoid constant starting and restarting of arc.
Check Gas/Air
Set
Pressure
Controls
Postflow continues for approx. 20 to
30 seconds after releasing trigger;
started during postflow by pressing
Turn On
Power Source
After cutting arc starts, slowly
start moving torch across metal.
cutting arc can be instantly re-
trigger.
161 698-A