Leica Biosystems CM1100 - Manual (Page 5)

5 Leica CM1100 – Cryostat
3. Safety instructions for handling the instrument
3.1 Safety features
The instrument design incorporates the following
safety features: handwheel lock, glass anti-roll guide
of the knife holder CE that has the protective function
of a knife guard.
3.1.1 Locking the handwheel
Prior to manipulating the knife holder and
specimen, or changing the specimen or knife,
and during breaks, always lock the
handwheel!
The handwheel can be locked in the upper turning
point.
Fig. 5.1
1
2
3.1.2 Knife guard
Prior to manipulating the knife holder and
specimen, or changing the specimen or knife,
and during breaks, always cover the cutting
edge with the anti-roll guide!
The knife holder CE for disposable blades has a glass
anti-roll guide which is positioned over the knife edge
while sectioning to prevent injury thus acting as a knife
guard.
3.2 General hazards
Despite the safety features provided for operator
safety, the use of the instrument and the applications
for which is designed involve certain risks that cannot
be totally eliminated:
• The handling of disposable blades involves a con-
siderable risk of injury.
• Extended skin contact with cold parts of the instru-
ment can cause frostbite!
• Sectioning infectious and/or radioactive materials
constitutes a hazard.
• Rotate the handwheel until the handle (1) is posi-
tioned in the upper turning point.
• To lock, push the lever (2) towards the housing.
• To unlock, pull the lever (2) away from the housing.