
7
General Maintenance
To Assemble the EI HES
178
7000/7010 Series TQ GC/MS Operating Manual
2
Insert the extractor ceramic insulator into the source body.
3
Insert the lens stack encased in the insulator into the source body. (See
on page 180.) The engraved numbers face the full opening
extending to the end of the source body. Verify that the ceramic is sitting
flush at the end of the source body.
4
Using the T6 Torx driver, install and secure the gold plated setscrew and lock
ring lens insulator that holds the lens assembly in place. (See
Figure 56.
Assembled EI HES lens stack
Grooves aligned
CAUTION
The ceramic insulator must be positioned flat against the source body when
inserting the lens stack in the next step.