Source maintenance 7-61
To remove the source heaters
1. Remove the screw, washer, and 2-mm ceramic spacer, securing the first
lead (with small insulating ceramic) of one of the source heaters to the
ion block insulated heater terminal.
2. Remove the heater lead, terminal, and shaped spacer from the ion block.
3. Remove the screw and washer securing the second source heater lead to
the ion block.
4. Slide the source heater out of the ion block.
Caution: To avoid damage, handle the source heaters with great care;
they are very fragile.
Insulated heater terminal
Insulating ceramic
Source heater
Accelerating voltage lead
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