The screws on the manipulator head (left photo) can be tightened to provide a better thermal contact while cooling for the samples that require lowest possible temperatures. Vacuum screwdriver is located in the Preparation Chamber, close to the heater (right photo).
To tighten the screws:
Move manipulator to preparation chamber;
Close the valve between the chambers;
Go to a saved position "fix screws" or rotate manually tilt and polar angles;
Do not apply force! Just screw until you feel some resistance without making it too tight;
Return to "Transfer_PREP" position.
To take your sample later out you will need to loosen the screws by ~1 full turn.
There are black marks on the screws to help count the turns, in the fixed position they are diagonal.
