Kendro HERAcell 150, Operating Instructions Manual

Page: 61 / 251

CO
2
Incubator HERAcell ® 150 Operating Instructions
61
Fig. 26
Blower wheel/cover removal
9. Cleaning and disinfection
Predisinfection:
1. Remove all samples from the work space and store them
at a safe place.
2. Spray disinfectant onto the surfaces of the work space and
of the accessories or wipe the surfaces clean using
disinfectant.
3. Allow disinfectant to react as speciefied by manufacturer.
NOTE – CO
2
and O
2
sensors
Do not spray disinfectant onto the CO
2
sensor
in the baseplate of the measuring cell and onto
the O
2
sensor.
Removing accessories and shelf system:
1. Remove gas humidification and shelves, then remove the
entire shelf system from the work space.
For removal and installation of the shelf system, please refer
to Section 5.2.
2. If required, remove the blower wheel and its cover from the
baseplate of the measuring cell. The wheel and the cover
can be autoclaved.
Removing blower wheel and cover:
1. Fig. 26: Remove the two retaining screws [3] of the cover
using the supplied Allen wrench (3 mm) and remove the
cover.
2. The blower wheel [1] is secured to the axle by a set screw
[2]. Remove set screw using the Allen wrench (2 mm) and
pull blower wheel off.
NOTE – Functional check
After the installation, check to see if the blo-
wer wheel is securely attached to the axle and
if it can rotate freely, then secure cover using
the screws.
Cleaning the work space and accessories:
1. Thoroughly remove dirt residues and deposits using a so-
lution of tepid water and dishwashing agent.
2. Wipe surfaces clean using a clean cloth and plenty of clear
water.
3. Remove cleaning liquid from water tray and wipe all sur-
faces of the work space thoroughly dry.
4. Wipe accessories thoroughly dry.