To clean the ion exit plate:
1.
Using 1200-grade wet/dry paper, rub all the ion exit plate surfaces,
including the ion exit slit edges, until they are free of visible ion burn.
2.
Using 9-micron lapping paper, polish all the ion exit plate surfaces,
including the ion exit slit edges.
3.
Ultrasonically clean the plate in a suitable solvent to remove any
remaining grease.
See also:
page
10-21.
To fit the ion exit plate:
Reassemble the ion exit plate in the reverse order to which it was
disassembled.
Cleaning the trap and repeller
Tip:
The trap and the repeller are present only on the EI source; the CI source
is not fitted with a trap or repeller.
To remove the trap and repeller:
1.
Remove the ion exit plate.
2.
Use a hex (Allen) key to remove the grub screw at the base of the inner
source assembly.
Caution:
from the source handle; it is spring-loaded.
3.
Remove the inner source assembly from the source handle.
Ion exit slit
Ultrasonically cleaning the inner source components on
Take care when removing the inner source assembly
EI/CI inner source maintenance 10-23