32 (107) BRUKER CryoProbe User Manual
Standard procedures
m.12 Push the CryoProbe up gently by turning the screw below its center
until the CryoProbe body almost touches the shim system (gap ≈
0.5 mm). Feel for the end position, but upon reaching it, do not use
great force to tighten the screw (Figure 4.6.
).
m.13 Turn the other four screws on the support plate in an alternate fashion
such that they support the CryoProbe gently. Take care not to tilt its
body by forcing one screw more that the other screws.
m.14 Lift the magnet.
CAUTION: If the CryoProbe is not correctly aligned, its body might
touch the optional horizontal pillar braces when the magnet is lifted by
about 10 mm onto its anti-vibration stand. The forces involved can eas-
ily break the CryoProbe! Before the magnet is lifted, there should be a
symmetric horizontal clearance of ≥ 5mm between the CryoProbe
and any fixed obstruction above its body (see Figure 4.5.
).
Switch on the air suspension of the magnet and watch the CryoProbe
body rise. If it is about to be jammed against any fixed part, re-align the
CryoProbe or lower the magnet immediately!
CryoProbe front
upper pillar brace
same horizontal
clearances (≥ 5mm)
Figure 4.5. CryoProbe and optional cranked pillar braces
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