Source maintenance 7-71
5. Wrap the heater lead, fitted with the insulating ceramic, around the
shaped ceramic spacer.
6. Fit the 2-mm ceramic spacer over the shaped ceramic spacer, ensuring
that the heater lead is trapped between the spacer and the heater
terminal.
7. Fit and tighten the screw and washer.
Tip: Use the “clutch pencil” tool (provided in the tool-kit) to handle the
screw.
8. Repeat steps 1 to 7 for the second source heater.
Heater leadHeater terminal
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