4-11. Installing And Threading Welding Wire

Tools Needed:

3/16, 5/64 in

3/8, 15/16 in

Pressure

Adjust

Install drive rolls.

Install wire spool. Ad- just tension nut so wire is taut when wire feed stops.

Pressure

Indicator

Scale

Install wire guide.

Pressure

Adjust

Drive Rolls

Gun Cable

End Of Liner

 

NONCONDUCTIVE

 

NONCONDUCTIVE

 

 

SURFACE

 

SURFACE

 

 

No Wire Slip

 

Wire Slips

 

. Be sure that outlet cable has proper

. For soft wire or small diameter stainless

. To adjust drive roll pressure, hold nozzle

size liner for the welding wire size.

 

steel wire, reduce drive roll pressure on

about 2 in (51 mm) from nonconductive

When installing gun, position liner

 

the rear roll to half that of the front rolls.

surface and press gun trigger to feed wire

extending from outlet wire guide as

 

 

against surface. Tighten knob so wire

close as possible to drive rolls with-

 

 

does not slip. Do not overtighten. If con-

out touching.

 

 

tact tip is completely blocked, wire should

Install gun. Lay gun cable out straight. Cut off

 

 

slip at the feeder (see pressure adjust-

 

 

ment above). Cut wire off. Close cover.

end of wire. Push wire through guides up to

 

 

 

drive rolls; continue to hold wire. Press Jog

 

 

 

button to feed wire out gun.

 

803 186 / 152 648-A / 803 020 / 802 966 / Ref. 137 391-A / 802 954 / Ref. S-0627-A

OM-1500-13 Page 15

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Miller Electric and DS-74D16, DS-74S12, DS-74S16, DS-74D12 manual Installing And Threading Welding Wire, Out touching

DS-74D12, DS-74S12, and DS-74D16, DS-74S16 specifications

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