Service
12 311209W
Electrical Schematic
Use an ohmmeter to check:
• Heater pins 1 to 2, 445 +/- 35 .
• RTD sensor pin 3 to 4, 108 +/-1 at 70°F (21°C).
• Continuity to gun body from pin 8.
• No continuity from pins 1-7 to gun body or connector shell, or ground pin 8.
All
Models
All models except
249514 and
249515
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