5-30 Maintenance Procedures
4. Close the source isolation valve (see “Operating the source isolation
valve” on page 5-7).
5. Disconnect the PTFE tube from the cone gas assembly connection tube.
6. Use the 6-mm Allen wrench to unscrew and remove the 2 ion block
assembly securing screws and associated washers.
7. Remove the ion block assembly from the PEEK ion block support.
Ion block securing screws
Washers
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