Miller SUITCASE 12RC 소유자 매뉴얼 - 페이지 22

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4-10. Installing And Threading Welding Wire

WOOD

OM-1500-15 Page 18

6 in

(150 mm)

Pull and hold wire; cut off end.

Tighten

Clockwise

Installing Wire And Adjusting

Hub Tension:

Hold wire tightly

to keep it from

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:

Lay gun cable out straight.

Open pressure assembly, hold wire

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