Leica CM1950 Manuel D’Utilisation
13
Leica CM1950 Cryostat
2.
Safety and Design
2.7
Removal of the Microtome
•
The microtome is encapsulated and therefore does not require removal
by the user.
by the user.
2.8
Maintenance
Replacing the fuses
•
Turn the instrument off and disconnect the power plug before replacing
the fuses.
the fuses.
•
Use only the fuse types specified in chapter 3, "Technical Data." Failure
to comply with this can cause severe damage to the instrument!
to comply with this can cause severe damage to the instrument!
Replacing the fluorescent lamp/UVC lamp
•
Turn the instrument off and disconnect the power plug before replacing
the lamps.
the lamps.
It is possible to break the UVC lamp during replacement. If this
happens, the lamp change must be completed by Technical Ser-
vice. If any metallic mercury is released, handle it carefully and
dispose of it properly.
happens, the lamp change must be completed by Technical Ser-
vice. If any metallic mercury is released, handle it carefully and
dispose of it properly.
If both disinfection indicator lights are blinking alternately, the
UV tube must be replaced!
UV tube must be replaced!
2.6
Handling Specimens – Defrosting
•
When working with contaminated or infected material, the general safety
guidelines for laboratories must be applied.
guidelines for laboratories must be applied.
•
Before defrosting the cryochamber remove all samples!
•
Before defrosting the specimen head, remove all samples!
Never leave samples in the cryochamber! - The instrument is not
suitable for storing frozen specimens, as the refrigeration dehy-
drates the specimens!
suitable for storing frozen specimens, as the refrigeration dehy-
drates the specimens!
The quick freeze shelf can become very hot during the defrosting
process. Do not touch it during defrosting.
process. Do not touch it during defrosting.