Gilson VERITY 1910 MS User Manual page 19

7. Use a Phillips screwdriver to partially unscrew the five vacuum screws in the following
pattern: 1, 4, 2, 5, 3 (Figure 6). Repeat until the screws are loose.
8. Gently lift the tube lens assembly away from the vac‑chip flange.
9. Use a pair of tweezers to remove the plastic insert pre‑installed in the vac‑chip assembly.
10. Place the new vac‑chip in the vac‑chip flange ensuring that the larger face of the chip is
facing downwards.
The user must ensure that the small O-rings are present on the vac-chip flange (under the
NOTICE
vac-chip) and the underside of the tube lens assembly. Also ensure that both O-rings are
properly seated.
11. lower the tube lens assembly onto the vac‑chip flange, it will locate with two dowels.
Ensure the assembly is lying parallel to the vac‑chip flange.
5
4
Figure 6
Tube Lens Assembly and Vacuum Screws
Figure 7
How to Handle the vac‑chip™
1
2
3
VERITY® 1910 MS DETEcToR
19
| USER'S GUIDE