Chapter 4: Maintenance 61
3. Invert the outer droplet sleeve and allow the O-ring to fall
onto the benchtop.
If the O-ring does not fall out initially, hold the O-ring with
your free hand and slide the outer sleeve to remove the O-ring.
4. Place the new O-ring into the retainer. Make sure the O-ring is
seated properly in the bottom of the retainer.
5. Replace the outer sleeve in the retainer.
6. Re-install the retainer and the outer sleeve.
7. Install a sample tube on the SIP to ensure that the outer sleeve
has been properly installed.
If the sleeve hits the bottom of the tube, loosen the retainer
slightly and push the sleeve up as far as it will go. Tighten the
retainer.
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