Miller Millermatic 252 Owner's Manual page 31

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.
.
A complete Parts List is available at www.MillerWelds.com
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
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
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
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 change the Run−in value,
release the trigger and turn the wire feed
control knob (or the wire feed adjustment
knob located on the bottom handle of the
888
, then
spool gun) to the desired setting for the
selected gun. To return to weld mode after
the Run−in speed change, pull the trigger
momentarily (one second).
trigger again
888
, then
OM-230 693 Page 27