12. Inspect the new filament assembly for deformation, damage and flaking of the coating
prior to installation. Do not install if damaged.
13. Insert new filament assembly into the coupler.
14. Guide the ceramic against the bottom and side surfaces of the ion chamber (Figure B-84
and Figure B-85). Correct positioning of filament is critical for proper spectrometer
operation.
Filament Assembly
B-56
VS Series Component Leak Detector
Figure B-84 Coupler and Filament Assembly
Filament Alignment
Surfaces
Coupler