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Millermatic Python
®
Owner's Manual - Page 2
Section B Operation
General
The Python
®
maintains a constant, steady, uniform wire feed speed,
regardless of curved or looped wire conduit. The constant push exerted
by the slave motor in the cabinet, combined with the pull of the gun motor,
causes the wire to literally oat friction-free through the wire conduit. The
24VDC gun motor is controlled by a three and three-quarter (3 3/4) turn
potentiometer in the gun handle.
Controls and Settings
Potentiometer
The laterally-positioned potentiometer is located in the lower end of the
handle, providing up to 875 ipm (22.2 mpm) with 3 3/4 turns.
Micro Switch
The micro switch assembly consists of a normally open micro switch and
solder-attached leads.
Trigger Sensitivity
The amount of trigger level travel can be
shortened for a quicker or more responsive
action.
A more sensitive trigger lever is produced by
reducing the gap between the trigger lever and
the micro switch lever. By turning-in the trigger
sensitivity adjustment screw, it closed the gap
between the trigger lever and the micro switch
lever.
This will enable the operator to increase the
sensitivity of the trigger lever.
Sensitivity Adjustment
With the wire feeder turned on (with or without
welding wire loaded), turn the screw in until
the micro-switch is activated. Once activated,
the gun and wire feeder motors will begin feeding wire. Retract the screw
accordingly until the system is deactivated and adjusted to the operators'
liking.
Drive Roll and Idler Rolls
The Millermatic Compatible™ Python
®
comes standard with a knurled drive
roll and a grooved idler roll, which will handle both steel and aluminum wire
with diameters from .030-1/16 inch aluminum and .030-.045 solid and hard
wire. Optional insulated V-groove drive rolls are also available for aluminum
wire if desired (see optional kits).
Drive roll tension is accomplished with a unique spring-loaded pressure
screw. The Python
®
comes from the factory with the pressure adjustment
screw preset.