Miller Electric Bobcat 250 manual Self-Shielded Flux Core Wire Applications

Models: Bobcat 250

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. A complete Parts List is available at www.MillerWelds.com

B. Self-Shielded Flux Core Wire Applications

Typical Control Settings For .045 (71T-11) Self-Shielded Flux Core Wire

Note Coarse Range,

Fine Control, and

Weld Process switch

settings.

! 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.

1Work Clamp

2Wire Feeder

3MIG Gun

4Gun Trigger Plug

5Voltage 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 5-7).

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)

Quick connector

position.

 

 

> Set Fine Control near minimum

2

setting.

 

> Set wire feed speed between

3

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.

 

5

 

4

 

Work

 

1

Tools Needed:

 

3/4 in

803 750-B / 802 766 / 228 201-B

 

OM-4419 Page 27

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Miller Electric Bobcat 250 manual Self-Shielded Flux Core Wire Applications, Fine Control, Weld Process switch Settings