Hoefer SE250 - Manual (Page 15)

3.3 Place the gel sandwich
1
Rinse away the overlay with distilled water and drain
any excess water.
2
If installing a self-cast or precast 10 × 8 cm gel
sandwich, orient the sandwich so that the notched
plate faces the gasket, notches at the top. Set the
bottom of the sandwich on the supporting ledges in
the bottom of the lower chamber and center the plate
so that the gasket seals both sides (Fig 3).
•
p7
Fig 3. Gel sandwich installation.
A 10 × 8 cm gel sandwich fits
flush with the bottom of the upper
buffer chamber core.