Centurion Scientific C2006 Manuel d'instruction - Page 4
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The centrifuge functions in the most efficient manner when unbalance of the rotor is minimised. The prevents undue
vibration perturbing the separation zones of the substance being centrifuged. It is therefore important that unbalance
due to loading unequal loading of the sample tubes is minimised as far as possible.
The maximum permissible imbalance of the rotor is 1g.
Imbalance may be minimised by following a few simple and quick procedures as described in the following paragraphs.
• The sample tubes should be filled as evenly as possible. Where practical, tubes containing the same substance should
be placed opposite each other.
• The rotor should be loaded symmetrically, this being best achieved by using all of the bores . When only partially
loading the rotor it must be ensured that opposite bores always receive tubes of the same weight.
The following pictures provide examples of correct and incorrect loading of the rotor.
EMERGENCY lid release in case of lid lock failure
In the unlikely event of the lid lock failing and the user being unable to remove their samples, an emergency lid release tool
is provided.
WARNING:
OPERATION OF THE EMERGENCY LID RELEASE MSUT ONLY BE UNDERTAKEN BY QUALIFIED AND
APPROVED PERSONNEL.
UNDER NO CIRCUMSTANCES MAY THE CENTRIFUGE BE OPERATED IN THE CONDITION.
Wait until the rotor has stopped turning (view through the lid port) and switch off the power to the centrifuge.
Remove the black plastic seals to front underside of centrifuge and PULL BOTH CORDS DOWN.
WARNING:
UNDER NO CIRCUMSTANCES MUST THE EMERGENCY LID RELEASE BE USED WHILE THE
CENTRIFUGE IS
RUNNING.
Cleaning, Disinfecting and Maintenance
WARNING:
ISOLATE AND DISCONNECT THE POWER SUPPLY BEFORE CARRYING OUT CLEANING OR
MAINTENANCE.
CENTRIFUGE BODY
• Regularly wipe down the external surfaces with a mild detergent.
• Mop up any spillage with an absorbent cloth. Check to ensure that the liquid has not entered the main body of the
centrifuge.
WARNING :
If any liquid has entered the main body of the centrifuge it MUST NOT be used. Contact the
supplier or Centurion Scientific Ltd immediately for advice.
ROTOR
• Remove the locking screw with the key provided.
• Remove the flat washer
• Pull the rotor off the shaft by applying equal force of both sides.
NOTE: If any stiffness or difficulty is experienced when attempting to remove the rotor this may be overcome by applying a
sharp
tap to the rotor shaft. A non-metallic object (eg plastic mallet) must be used to prevent damage to the shaft.
• Clean the rotor using a suitable detergent and hot water. Alternatively the rotor may be cleaning in an autoclave at a
maximum temperature of 120oC