36 -
OPERATION
Bowie Dick testing
The purpose of the Bowie Dick test is to reveal deficiencies in the abil-
ity of the sterilizer to expel air and reveal leaks or an excessive content
of non-condensable gases in the steam. In testing in accordance with EN
285, (or applicable national standard) an indicator paper is placed in the
centre of a test pack. The pack, which must be 220 - 300 mm square and
approx. 250 mm high, must consist of folded cloths of 100% cotton. The
pre-treatment of the test programme must be identical to the pre-treat-
ment for the processes used for routine sterilization, while the steriliza-
The sterilizer should have cooled down before cleaning.
When the key switch cannot be constantly observed, the
person doing the cleaning must always take the key with
them. This is to ensure that no-one mistakenly resets the
key switch.
•
Clean the strainer in the chamber floor drain.
•
Remove any shelves, guides, and bottom plates and
clean the inside of the sterilizer chamber.
Use a general-purpose chlorine-free cleaner. Scouring
powder may be used occasionally on stubborn stains.
Never use steel wool.
Sterilizers that are often used to sterilize products
containing salt require especially thorough cleaning,
since residual deposits may even have a corrosive
affect on stainless steel. An acidic cleaning agent
followed by careful rinsing is most suitable for the
purpose.
•
After cleaning, insert the key in the key switch and turn
it to the initial position.
•
Then close the door by pressing the
Close
button.
•
On double-ended sterilizers, the unloading door can be
opened for cleaning by repeating steps in the points
above.
Note! Note that there may be restrictions on door
opening on SPF sterilizers and sterilizers with
controlled work flow.
•
When cleaning is complete, both doors must be closed
and the key must be left in the key switch.
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