Removal Of The Microtome - Leica CM1100 Instructions For Use Manual

If increased frost buildup occurs on the evapo-
rator, start a manual defrost cycle.
If increased frost buildup occurs on the mi-
crotome, the microtome should be removed
and thoroughly dried.
• Place an appropriate vessel under the drain tube
at the rear of the housing.
• Collect any defrost water and waste or cleaning liq-
uid, and dispose of according to the local waste dis-
posal regulations.
All components removed from the cold envi-
ronment will collect condensation. Therefore
all components should be dried thoroughly
before placing them back into the
cryochamber.
Do not use external heaters for drying the
cryochamber. This can cause damage to the
slot cover!
Leica CM1100 – Cryostat
10. Cleaning and disinfection

10.3 Removal of the microtome

For extensive cleaning and disinfection, or for
thorough drying of the microtome after a long
mains power failure, it may be necessary to
remove the microtome from the cryochamber.
Before removing the microtome, turn the in-
strument off with the mains switch!
• Take out the specimen discs, knife holder, waste
trays and quick-freeze shelf.
1
2
3
Fig. 29
• Place the handle of the handwheel in the lowest
position so that the specimen clamping head is at
its lowest position.
• Loosen the screw (1) by means of an Allen key
size 4.
• Pull the shaft (2) of the coarse feed wheel out of the
coupling on the microtome.
• Loosen the two screws (3) by means of an Allen key
size 4.
Wear appropriate protective gloves to remove
the cold microtome from the cryochamber!
Risk of frost bite!
Or wait until the microtome has reached room
temperature.
• Pull the microtome to the front to disengage it from
the plastic coupling (4) connecting the two shafts,
and take it out of the cryochamber.
3
29