Leica Biosystems CM1950 - Manual (Page 64)

64 Instructions for Use V 1.5 RevF - 08/2014
1
The large specimen disc (80x50 mm) should
preferably be used with knife holder CN and the
16 cm C-profile steel knife.
The clamping jaws are factory-installed in the
knife holder with a clearance of 64 mm. If neces-
sary, both clamping jaws can be offset with a
clearance of 84 mm.
Perform the following steps:
• Use a size 4 Allen key to loosen the screw
over the clearance angle adjustment (1) and
remove the segment arc (2) from the knife
holder base.
• Use a size 4 Allen key to loosen the screws (4)
on the underside of the segment arc.
• Carefully pull the clamping jaw (5) on the right
upward and insert it in the neighboring hole
(6). Tighten the screws from the underside of
the segment arc. Repeat on the left side.
• Insert the long knife support (3) on the side
over the knurled screw (3a) so that the
recess faces the user – turn the height ad-
justment knurled screws until the lower stop
is reached.
• The knife can now be inserted from the side
and its height adjusted via the knurled screws
(3a).
2
3a
4 4
5
6
3
Fig. 73
3a
not
visible
11. Optional Accessories
Never work with only one clamping jaw, as this does not ensure the stability required for the
sectioning process. Also, a long knife will not be sufficiently protected by the knife guard in this
instance.
The specimen disc 50x80 mm is suit-
able only for section thicknesses up to
approx. 5 µm (due to the large specimen
size).
Knife holder CN with anti-roll guide – Moving the clamping jaws and inserting the knife