Bio-Rad Model 491 Prep Cell and Mini Prep Cell - Manual (Page 13)

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Section 3
Assembly and Operation
3.1 Casting the Preparative Gel
1. Place the gel tube assembly on the casting stand, aligning the four screws on the acrylic plate with the
holes in the casting stand. Secure the gel tube assembly with the four screws; hand tightening is
sufficient. Level the casting stand with the aid of the leveling bubble using the leveling legs.
2. Insert the cooling core so that the two placement guides slide through the grooves of the cooling core
collar in the gel tube assembly and the center pin on the casting stand is inserted in the elution tube of
the cooling core. Turn the core 90° until it locks into place. This will prevent any vertical or lateral
movement of the cooling core.
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