Miller Bobcat 250 NT, Руководство пользователя

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OM-4403 Page 22
B. Self-Shielded Flux Core Wire Applications
802 766 / 200 017
Stop engine.
This section provides general
guidelines and may not suit all
applications.
The control panel shows the typi-
cal settings for welding with .045
(71T-11) self-shielded flux core
wire.
1 Work Clamp
2 Wire Feeder
3 MIG Gun
4 Gun Trigger Plug
5 Voltage Sensing Clamp
Connect work cable to welding gen-
erator Work terminal. Connect cable
from wire feeder to cable from weld-
ing generator Electrode terminal.
Be sure to use the correct size
weld cables (see Section 4-8).
Loosen MIG gun securing knob. In-
sert gun end through opening in feed-
er and position as close as possible
to drive rolls without touching. Tight-
en knob.
See wire feeder manual for wire
threading procedure.
Insert gun trigger plug (item 4) into
matching receptacle and tighten
threaded collar.
Typical Control Settings Using
.045 (71T-11) Self-Shielded Flux
Core Wire :
>
Set Weld Process Selector
switch to Wire – position
(DCEN).
>
Set Coarse Range switch to
Wire/Low Range (17-22 volts)
position.
>
Set Fine Control near minimum
setting.
>
Set wire feed speed between
125-200 ipm.
>
Do a test weld. To increase arc
length, increase Fine Control
setting. To shorten arc length,
reduce fine control setting or in-
crease wire feed speed.
Quick connector
Work
3
2
5
1
4
Tools Needed:
Typical Control Settings For .045 (71T-11) Self-Shielded Flux Core Wire
3/4 in
Note Coarse Range,
Fine Control, and
Weld Process switch
settings.