10 Perform a Digestion
6.1. Assemble the control cover.
6.1.1. Insert the open end of the thermowell into the underside of the control plug.
CAUTION
Do not force thermowell into control plug as it is fragile and may break.
6.1.2. Place the cap on the plug.
6.1.3. Slide the nut onto the thermowell and tighten the nut until nger tight.
6.2. Place the cap on the liner and tighten until nger tight. Ensure that the thermowell nut is nger tight.
7. Assemble the remaining vessels.
7.1. Place the plug on the liner. If a control vessel is required, use the liner containing the highest amount
of weighed sample as the control vessel.
7.2. Place the cap on the liner and tighten until nger tight.
CAUTION
Keep the vent hole facing away from the user at all times. Never look directly at the vent hole once it has
been placed on the liner.