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43
Leica CM1950 – Cryostat
8. Working with the Instrument
8.4.2 Trimming with Extraction – Anti-roll Guide Installed
• Remove the silicone stopper from the filter cover (and keep it in a safe
place).
• Insert the extraction hose with the black adapter.
• Fold the anti-roll guide to the side and fasten the suction nozzle to the
pressure plate – see mark Fig. 39a - (using 4 magnets on the rear side of
the nozzle).
• Fold the anti-roll guide back into position.
E
Ensure that the hose with the nozzle is
not installed against its "natural" cur-
vature on the pressure plate of the
blade holder.
The tension acting on the hose can be minimized
by turning the red ring (Fig. 39, top right) clock-
wise so that the suction nozzle presses against
the pressure plate (I, Fig. 39).
A
D
I
B
C
Fig. 40
K
• Check that the anti-roll guide is parallel and correctly adjusted.
Readjust if necessary (see page 58).
• Activate trimming mode.
• Select the trimming thickness.
• Switch on the VAC and select a low extraction level (between 1 and 2).
•
Start trimming by manually moving the handwheel or press the
RUN/STOP and ENABLE keys simultaneously to start motorized sectioning.
Fig. 38
Fig. 39a Fig. 39b Fig. 39c