Miller XR Python 25 Ft. Manuel du propriétaire - Page 17
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WARNING:
Do not attempt to weld without the barrel being tightly
secured in the gun body, or damage to the barrel or body may result.
Barrel Liner
The standard Teflon liner in the XR™ Python
barrel is designed for
®
aluminum and other soft wire. A Steel liner is available for steel, cored and
other hard wires.
Liner Package, Teflon Standard - Aluminum (5 pcs.) ........................ 931-0137
Liner, Spiral Steel - Steel and Hard Wires. ........................................ 615-0338
Section 6
Maintenance
Periodic Maintenance
Your XR™ 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 build-up from inside of nozzles with a hardwood stick.
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.
Maintenance Tools
Tool
Part Number
Drive Roll Removal Tool
215676
Reference the table below for suggested Maintenance Tools used with the
XR™ Python
welding gun.
®
Testing The Gun
Reference the "X" clocked Amphenol diagram
on the XR™ Python
electrical diagram
®
for information about pin-outs and locations.
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.
XR™ Python
Owner's Manual - Page 5
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