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Liquid Cooled Millermatic Compatible™ Python
®
Owner's Manual - Page 2
Coolant Recommendations
Use Cobra Coolant (Aluminum Protection), P/N 931-0060. Cobra Coolant
does not contain reactive sulphur or chlorine and does not react with copper,
brass or aluminum.
The coolant ow rate should be a minimum of 15 GPH (1 qt/min) between
35 and 45psi. Contact the re-circulator manufacturer for specications on
pressure.
Section B Operation
General
The Millermatic Compatible™ 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 800 ipm (20.3 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 lever 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' satisfaction.
Drive Roll and Idler Rolls
The Millermatic Compatible™ Python
®
comes standard with a knurled drive
roll and a grooved idler roll, which will handle .030" to 1/16" aluminum and
.030" to .045" solid and hard wire.