134
Thermo Fisher Scientific
Operation Manual HM550
• Bring the hand wheel handle into its lower position, i.e. the speci-
men clamping is also in its lower position.
• Slightly lift the heated window on the handle and pull it forwards
over the front arm rest.
• en swivel the window upwards and slightly move it backwards.
en insert it into the anchorage of the guide rails (fig. 130).
• Unscrew the Allan screw (fig. 128.1) in the middle of the front part
of the microtome base plate via an Allan screwdriver size 5 mm.
c
aution
It is recommended for all further work to wear isolating gloves because
of the danger of freezer burns on the frozen microtome.
• Move the microtome to the left side until the stop. is way, the
clutch on the right side of the microtome becomes free.
• For the option O pull off the quick coupling. For this, touch the
connectors on the ring sleeve and pull them towards the operator to
the front and pull the connector off.
• Insert the left connector into park position 11 (fig. 129.11) and
the right one into park position 12 (fig. 129.12) of the fast freezing
station. (If the positions are mixed up, this will have no influence on
the function.)
Note:
e described electrical/cool-technical order as well as the corresponding
insertion of the connectors must be
strictly observed
for the option O.
[2]
[1]
[3]
[4]
Figure 128.
Removing the microtome.
Maintenance and care of the cryostat
Removing the microtome
