Fig.21 Removing Blower Wheel And Cover - Thermo Scientific BB 150 User Manual

9. Cleaning and disinfection
Predisinfection:
1. Remove all samples from the work space and store them
in 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 the manufac-
turer.
NOTE – CO
Do not spray disinfectant onto the CO
in the baseplate of the measuring cell.
Removing accessories and shelf system:
1. Remove all shelves, then remove the entire shelf system
from the work space.
For removal and installation of the shelf system, please refer
to Section 5.3.
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. 21: 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 clean
water.
3. Remove cleaning liquid from water tray and wipe all sur-
faces of the work space thoroughly dry.
4. Wipe accessories thoroughly dry.
sensor
2
sensor
2
CO Incubator BB 150 Operating Instructions
2
Fig. 21
Removing blower wheel
and cover
49