Preparing The Tray And Mounting The Assemblies; Preparing The Tray; Mounting The Required Tray - Sartorius Stedim Biotech CERTOMAT S-II Mode D'emploi

3.2

Preparing the Tray and Mounting the Assemblies

3.2.1 Preparing the Tray

1. Trays can be delivered finally equipped with sets of
clamps for Erlenmeyer flasks of different size, or
without assemblies. If you are going to use a tray which
is finally equipped with clamps, test tube racks or the
universal mounting set, for instance, continue with
step 3.
2. For replacement of existing mountings, unscrew the
locating screws of the parts. Place and screw tight the
new mountings required. In order to avoid unbalances
when loading the tray lateron, the mountings should be
fitted in that way, that the loads can be evenly
distributed.
•
Clamps for Erlenmeyer flasks of different size can be
individually combined, depending on the type of tray
and the integrated borings. For other vessels (such as
beakers, bottles, separation funnels, for instance)
special mountings, such as test tube racks or universal
mounting sets are available. For details see the extra
documentation about the range of mounting systems
and accessories for CERTOMAT ® - shakers.
3. Place the shaking containers into their corresponding
clamps, holders or mountings, respectively. We
recommend to place single vessels, etc., in the centre of
the tray. Place other vessels evenly around from the
center outwards to avoid unbalances.
•
Since the mountings must properly locate the intended
vessels at any time during operation under any of the
intended operating conditions, they should be well
suited to the vessels (i.e. they should offer the necessary
dimensions).
The shaking containers must not hit against each other
or against any assemblies at the tray. They must not
get loose unintentionally, even at long-term operation
under high shaking frequencies.

3.2.2 Mounting the Required Tray

3a
3c
Fig. 1: Mounting of the tray on the agitation table (tray
shown without mounting systems and
containers)
1. Place the tray onto the agitation table. Push it with the
indents (1a/1b) against the rear knurled screws (1c/1d)
and the clamp (2a) of the agitation table.
Please observe the weight of the tray if you have already
loaded it with shaking basins.
2. Push down (2b) the front edge of the tray so that it
properly fits into the front clamp (2c).
3. The borings (3a/3b) will precisely fit onto the locating
pins of the tray support (3c/3d) and locate the tray.
Please take care that the locating pins are placed evenly
in the tray. Only then the tray is situated correctly on
the agitation table.
If necessary you can adjust the locating pins as
follows:
Release the screws of the locating pins (3c/3d) with the
hexagon socket screw key.
Eventually agitate the tray slightly. The locating pins
(3c/3d) position themselves in the centre of the borings
(3a/3b) of the tray.
Screw down the screws of the locating pins (3c/3d)
carefully again after the tolerance balancing.
In order to improve the safe position of the tray –
especially at high loadings in connection with high
speed – the provided flat headed screws M5 x 8 must be
screwed in the prepared borings.
1b
1 a
2 b
3b
1 c
2 a
1d
4
2 c
3d
7