AquaLab
6. Cleaning and Maintenance
34
sample chamber and sensors. e sample chamber consists of all
surfaces inside the red o-ring when the lid is closed.
Cleaning a Series 4TEV:
If cleaning an AquaLab Series 4TEV, follow the cleaning procedures
listed below being careful not to get cleaning solution or alcohol on
the capacitance sensor lter (see illustration on previous page). Re-
peated exposure of cleaning materials or contaminants to the lter
may cause inaccurate readings. If the lter appears to be contami-
nated, it may need to be replaced. (To replace the capacitance sensor
lter, use a tweezer or small knife blade to pry up the edge of the
lter, being careful not to disturb the sensor beneath. Discard the
soiled lter, then with clean hands, press a new lter into place.)
Cleaning Procedure:
Cleaning your AquaLab is a multi-step procedure which in-
volves washing, rinsing, and drying for each speci c area as out-
lined below (refer to illustration at the beginning of this chap-
ter to identify the location of the components to be cleaned):
1. Cleaning the Sample Chamber
Note: Be extremely careful not to damage the fan blades (see illustra-
tion) when cleaning the chamber.
a. Remove any debris that may have collected within or around
the sample chanber.
b. Wrap a NEW Kimwipe around the end of the thin plastic
rod (spatula) and moisten it with isopropyl alcohol or Deca-
gon Cleaning Solution. Note: Do NOT dip a used Kimwipe
into your container of IPA or cleaning solution (the IPA or
cleaning solution will become contaminated).
c. WASHClean upper chamber, o-ring, and all surfaces of the
block within the o-ring. You may need to replace the Kim-
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