Chapter 18: Maintenance
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Although it is possible to manually move the actuator assembly, you should use the software to
safely move the actuator into position to remove or install the head.
WARNING! PINCH HAZARD.
The actuator assembly has moving parts that can
cause pinch injuries if it is moved manually. To prevent pinch injuries, use the software
Change Head process to safely move the actuator.
Before storing the head, or whenever it needs cleaning, wipe the exterior of the head with a
cloth using 70% ethanol. To store the head, slide it into its metal cover with the pins facing
inward and then secure it in place with the thumbscrew and washer.
For further decontamination, soak the head in 100% ethanol. Before reassembly, make sure that
all parts are thoroughly dry.
CAUTION! Molecular Devices recommends that you spray ethanol on a cloth for
cleaning the instrument. Autoclaving is not compatible with anodized parts. Do not use
the ethanol on acrylic parts. Use water and then turn on the UV lamp.
Automated cleaning with a Sanitise profile does not replace sonicating the pins. See
the Pins and Springs on page 230
Cleaning the Wash Baths and Bristle Insert
The plastic ethanol wash bath and nylon bristle insert is filled with 70% ethanol in normal use. It
can additionally be treated by filling it with sterilizing agent for 10 minutes before flushing
through with 70% ethanol.
CAUTION! Never autoclave the wash bath.
If contamination is suspected, the nylon bristle insert can occasionally be autoclaved using
standard conditions: 121°C (249.8°F) at 15 psi (103 kPa) for 20 minutes.
CAUTION! Slight distortion of the nylon block after autoclaving is normal, and this can be
forced back to straightness; however, a severely warped insert must not be used
because it can cause pin and instrument damage.
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