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2.
Safety
2.3
Safety devices
The instrument is equipped with the following safety devices: Handwheel lock and knife guard
on the knife holder.
The consistent use of these safety features and strict observation of the warnings and cautions
in these Instructions for Use will safeguard the operator from accidents and/or personal injury
to a great extent.
Personal safety precautions
When working with cryostats, personal safety precautions must always be taken. It is
mandatory to wear work safety shoes, safety gloves, a mask and safety goggles.
2.3.1 Locking/unlocking the handwheel
12 o'clock
position
6 o'clock
position
Fig. 2
1
2
Fig. 3
2.3.2 Knife guard
10
Rotate the handwheel only if the refrigeration system is on and the
cryochamber is cold.
Always lock the handwheel prior to making modifications to the
knife or specimen, changing the specimen, or taking a break.
To lock the handwheel, move its handle to the 12 or 6 o'clock position. Press
the lever (1) fully outward; gently rock the handwheel back and forth until
the locking mechanism clicks into place noticeably.
To release the handwheel, press the lever (2) on the handwheel toward the
cryostat housing.
Prior to manipulating the knife and specimen, changing the speci-
men or knife, or taking a break, always lock the handwheel and
cover the cutting edge with the knife guard!
The CN and CN-Z knife holders feature knife guards; the glass anti-roll plate
of the CE and CE-TC blade holders also serves as a knife guard.
Instructions for Use V 1.2 – 09/2012
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