AquaLab 6 CLEANING AND MAINTENANCE
6.2 Cleaning a Series 4TEV
If cleaning an AquaLab Series 4TEV, follow the cleaning procedures
listed below being careful not to get cleaning solution on the capaci-
tance sensor filter (see illustration on previous page). If you run out
of Decagon Cleaning Solution, you can use isopropyl alcohol (IPA)
instead. Repeated exposure of cleaning materials or contaminants to
the filter may cause inaccurate readings. If the filter appears to be
contaminated, it may need to be replaced. (To replace the capaci-
tance sensor filter, use a tweezer or small knife blade to pry up the
edge of the filter, being careful not to disturb the sensor beneath.
Discard the soiled filter, then with clean hands, press a new filter
into place.)
6.3 Cleaning Procedure:
Cleaning your AquaLab is a multi-step procedure which involves
washing, rinsing, and drying for each specific area as outlined be-
low. (Refer to Figure 2 at the beginning of this chapter to identify
component locations for cleaning. )
1. Cleaning the Sample Chamber
Note: Be extremely careful not to damage the fan blades (see
illustration) when cleaning the chamber.
(a) Remove any debris that may have collected within or
around the sample chamber.
(b) Wrap a NEW Kimwipe around the end of the spatula
(thin plastic rod) and moisten it with Decagon Cleaning
Solution.
Note: Do NOT dip a used Kimwipe into your cleaning
solution (the cleaning solution will become contaminated).
(c) WASH — Clean upper chamber, o-ring, and all surfaces
of the block within the o-ring. You may need to replace
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