Leica Biosystems SM2500 - Manual (Page 57)

57 Leica SM2500
• Turn the knife holder (3) upwards/backwards
until the clamping slot is in the position shown
in Fig. 70 and the 6 knife clamping screws (8)
are easily accessible.
• Tighten one Allen screw (6, Fig. 69) (Allen key
size 8) to secure the knife holder in that position.
Prior to inserting the knife, always
tighten one of the two Allen screws (6,
Fig. 69) to secure the knife holder in
position!
Put on cut-resistant gloves (see also
chapter. 8.1 ‘Additional accessories’).
• Insert the knife into the knife holder from
above, with the writing pointing upwards (i.e.
pointing backwards when being inserted).
The knife back (base of the knife) must fit
against the bearing surface inside the knife
holder.
• Tighten the clamping screws (8) with an Allen
key size 8, starting with the center screws and
working your way outwards from side to side.
Only tighten as many screws as the knife is
actually wide.
Do not to misalign the knife when
tightening knife clamping screws (8)!
• Loosen Allen screw (6).
• Select the desired clearance angle (7) turn-
ing the knife holder (to turn, hold the knife
holder by the cylindrical pins, not by the knife
edge!)
• Hold the knife holder in that position and
tighten both Allen screws (6).
5. Operation
Fig. 70
8