Bio-Rad PROTEAN II XL Cell - Manual (Page 21)

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Section 5
Assembling the Upper Buffer Chamber
5.1 Assembly
1. Lay the central cooling core down flat on a lab bench. Make sure the core caps are in place on the
cooling core ports.
2. Seat the white U-shaped gasket onto the core with the flat (non-stepped) side down.
Note: To help insure a good upper buffer seal with your gaskets for the PROTEAN ® II xi cell, lubricate
the entire front of the gaskets (the shaded portion) with water or upper buffer prior to attaching the gel
sandwich to the central cooling core. This will allow the glass plate sandwich to slide onto the gasket
properly.
3. After the gel is cast and the comb is removed (if applicable), release the gel sandwich from the casting
stand by turning the cams to the “up” position and pulling them outward. Pull the gel sandwich straight
out of the stand.