Miller Millermatic 252 Owner's Manual download pdf (Page 27)

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

OM-230 693 Page 23

JOG Mode

If the trigger on either gun is held for more

than 3 seconds without striking an arc, the

unit will automatically shut off weld power

(and shielding gas output on MIG gun

only), but will feed wire continuously at the

preset wire feed speed (which may be

faster or slower than Run−in Speed) until

trigger is released.

Run−in Wire Feed Speed Settings

Run−in settings for the MIG and Spool

Guns are independently set and stored in

unit memory. The settings are in percent of

the welding wire feed speed preset. Both

settings are adjustable from 25 to 150

percent.

MIG Gun Run−in is factory set at 100%

which is recommended for most wire sizes

and types.

Spool Gun Run−in is factory set at 50%

which is recommended for .030 & .035

wire. A Run−in setting of 25% is

recommended for .047 wire.

To check Run−in settings, start with the

power switch OFF. Press and hold the MIG

or Spool Gun Trigger while turning the

power switch ON. The unit will power up

with both the displays reading 888 , then

the voltage display will read run and the

wire feed display will read the preset

Run−in percentage from memory for the

gun selected. To return to the weld mode

without making a change, simply release

trigger and pull the trigger again

momentarily (one second).

To change Run−in settings, start with the

power switch OFF. Press and hold the MIG

or Spool Gun Trigger while turning the

power switch ON. The unit will power up

with both the displays reading 888 , then

the voltage display will read run and the

wire feed display will read the preset Run−

in percentage from memory for the gun se-

lected. To change the Run−in value, re-

lease the trigger and turn the wire feed con-

trol knob (or the wire feed adjustment knob

located on the bottom handle of the spool

gun) to the desired setting for the selected

gun. To return to weld mode after the Run−

in speed change, pull the trigger momen-

tarily (one second).

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