Knife Holders - Leica RM2145 Instruction Manual

Rotary microtome
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12.
Optional accessories
1
2
Fig. 48.1
Fig. 48.2
48
1
4
6
3

12.3 Knife holders

12.3.1 Knife holder N
This knife holder is designed for standard steel and
tungsten carbide knives, profile c and d, up to 16 cm
long. In addition, it is appropriate for various blade rails
for disposable blades, which are inserted in the holder
like a knife.
The knife can be repositioned in height. This enables
the use even of frequently resharpened knives.
Mounting the knife support bar
• Push the knife guard (1) to the middle.
• Place the knife support bar (3) as shown on the
height adjustment screws (not visible), ensuring that
the flat top ends of the height adjustment screws
are seated in the slots at both ends of the knife sup-
port bar.
Inserting the knife
• Turn the knurled wheels (6) on the right and left of
the knife holder in opposite directions to the front
to move the knife support bar via the height adjust-
ment screws to the lowest position, to prevent dam-
age to the cutting edge while inserting the knife.
• Unscrew the knife clamping screws (2) counter-
clockwise as far out as possible.
• Hold the knife (4) at the knife back and carefully in-
sert it in the holder from the side as shown with the
cutting edge facing upward.
Adjusting the knife height
When adjusting the clearance angle, the cutting edge
of the knife should be positioned in the center of rota-
tion of the knife holder. The knife is correctly positioned
in height when the cutting edge is at the level of the
locating edge of the rear clamping jaws. The knife edge
should be parallel with the locating edges.
• Turn the knurled wheels (6) in opposite directions
to the rear to position the knife edge parallel and at
the level der of the locating edge (Fig. 48.2) of the
rear clamping jaws.
• To clamp the knife (4), tighten the two clamping
screws (2) uniformly by turning them clockwise.
Inserting blade rails
The blade rails are inserted in the knife holder and
clamped like a knife.
Instruction manual V3.2 – 02/2002

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