The VENT and LEAK valves are delicate. Gently turn clockwise until you feel slight resistance, then stop. Check that VENT and LEAK valves are closed.
Twist gently clockwise.
Turn on cooling water to specimen stage. B. Load your samples. Carefully close the top and make certain it is centered on the glass cylinder. Adjust height of the targe to that the shield is the same height as the sample. C. Flushing chamber.