Miller SUITCASE 12RC Manual do Proprietário - Página 22
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4-10. Installing And Threading Welding Wire
1
WOOD
OM-1500-15 Page 18
2
6 in
(150 mm)
Pull and hold wire; cut off end.
Tighten
Clockwise
Installing Wire And Adjusting
Hub Tension:
.
Hold wire tightly
1
to keep it from
2
unraveling.
Remove retaining ring, and install
spool so hub pin fits spool hole. Re-
install retaining nut.
Adjust tension knob so only a slight
force is needed to turn spool.
.
Threading Welding Wire:
3
Lay gun cable out straight.
Open pressure assembly, hold wire
3
tightly, and cut off end. Push wire
through guides into gun.
Close and tighten pressure assem-
bly. Press Jog switch until wire
comes out gun.
To set the proper drive roll tension,
release the tension on the drive
rolls. Position gun at about a 45 de-
gree angle, with nozzle about two
inches from a wooden surface. In-
crease the tension while feeding
the wire against the wooden sur-
face to one half turn past the point
where the wire stops slipping. If the
wire slips at maximum hand tight
tension there may be other prob-
lems. Check the gun liner, spool
tension, contact tips, drive roll wear,
drive roll alignment and inlet guide
as all these can cause feeding
problems.
Cut off wire, and close door.
Retaining Nut
Hub Tension Adjustment
Screw
Do not over tighten tension
knob. It is not necessary to use
any tools to tighten the knob.
Pressure Assembly
Adjustment Knob
804 212-B