140 | Chapter 5: Preventive Maintenance
BioTek Instruments, Inc.
Cleaning the Internal Tubes and Injector Heads
As discussed on page 124,
some reagents can crystallize
and clog the tubing and
injector heads.
Daily flushing and purging
can help to prevent this, but
more rigorous cleaning may
be necessary if reagent has
been allowed to dry in the
tubing and/or injectors.
To clean the tubes:
1. Soak the internal tubes in hot soapy water to soften and dissolve any
hardened particles.
2. Flush each tube by holding it vertically under a stream of water from a
faucet.
To clean the injector heads:
Do not remove the o-ring from the injector head (see photos below).
1. Gently insert the stylus (PN 2872304) into each injector head pipe to clear
any blockages. (The stylus should be stored in a plastic cylinder affixed to
the rear of the dispense module or reader.)
2. Stream water from a faucet through the pipe to be sure it is clean. If the
water does not stream out, try soaking the heads in hot soapy water and
then reinserting the stylus.
O-ring; do
not remove
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