AquaLab 6 CLEANING AND MAINTENANCE
6.2 Cleaning a Series 4TEV
When cleaning an AquaLab Series 4TEV, follow the cleaning proce-
dures listed below being careful not to get cleaning solution on the
capacitance 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 contami-
nants to the filter may cause inaccurate readings. If the filter appears
to be contaminated, it may need to be replaced. (To replace the ca-
pacitance 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, gently 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 section 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
R
around the end of the spatula
(thin plastic rod) and moisten it with Decagon Cleaning
Solution.
Note: Do NOT dip a used Kimwipe
R
into your cleaning
solution (the cleaning solution becomes 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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