Techne 3PrimeG - Manual (Page 19)

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6. With the 3 PrimeX and G, the heated lid has a
rotating knob to adjust the lid pressure on the
samples, allowing for a variety of consumables to
be used. To adjust the pressure:
a. Place the samples in the block and place the lid
in the down position.
b. Adjust the orange rotating knob anticlockwise
to give the least pressure then close the lid
fully.
c. Gently rotate the knob clockwise until you can
feel pressure beginning to be applied.
d. Rotate the knob a further quarter of a turn and
this will give the correct pressure. Do not over-
tighten.
7. Once the pressure has been set it does not need to be adjusted unless a different block or
consumable is used.