Section D
Maintenance
Disconnect Power
Before Maintaining.
Periodic Maintenance
Maintenance Tools
Tool | Part No. |
Drive Roll Removal Tool |
Your Millermatic Compatible™ Python® is designed to provide years of reliable service. Maintenance of the gun will normally consist of a general cleaning of the wire guide system, including barrels, drive rolls, and conduits at regular intervals.
Remove spatter
The only parts that are subject to normal wear are the conduit, contact tips, nozzles, barrel liners, wire guides, drive and idler rolls. A supply of these parts should be maintained on hand.
The number of units in operation and the importance of minimal down time will determine to what extent spare parts should be stocked on hand. See the recommended spare parts list for the most commonly replaced parts.
If repairs do become necessary, qualified shop maintenance personnel can easily replace any part.
Reference the table below for suggested Maintenance Tools used with the Millermatic Compatible™ Python® welding gun.
Testing The Gun
Reference the "X" clocked Amphenol diagram
on the Millermatic Compatible™ Python® electrical diagram
for information about
Motor Check
Remove the connector from the cabinet.
Using the Amphenol connector, check the resistance across pins “C” and “B” (motor leads). The resistance across the motor should be between 5
-10 ohms as the potentiometer is turned.
If an open circuit or short exist, check the motor leads and motor independently.
Testing the Gun Potentiometer
Using the amphenol connector, check the resistance across pin “F” (wiper) and pin “E”. The resistance should vary from 0 - 5K ohms as the potentiometer is turned.
Check the resistance across pin “F” (wiper) and pin “H”. The resistance should vary from 5K - 0 ohms as the potentiometer is turned.
Testing the Micro Switch
Using the amphenol connector, check for continuity across pins “D” and “G” when the trigger is pressed.
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