Chapter 6: Shutdown and Maintenance 215
Use the magnifying glass in the accessory kit to make sure the O-ring is
installed in the groove at the end of the new nozzle. Insert the nozzle and
push it gently all the way forward until it stops.
4 Turn the nozzle-locking lever clockwise to the 12:00 position.
5 Turn on the stream and make sure it flows smoothly from the nozzle into
the center of the waste aspirator.
If the stream is flowing but the breakoff is too long or the gap is unsteady,
this could indicate that there are bubbles in the flow cell. If these conditions
occur, turn off the stream, wait for 10 seconds, and turn on the stream
again.
If you see any dripping or spraying, or the stream image appears abnormal,
turn off the stream and see Troubleshooting the Stream on page 234.
NOTE After changing the nozzle, you might need to adjust the angle of the sort
block to re-center the stream in the aspirator. To do so, loosen the adjustment
screws on both sides of the deflection plates and rotate the sort block (see
Figure 1-12 on page 29). Tighten the screws when the stream is centered in the
aspirator. For further assistance, see Troubleshooting the Stream on page 234.
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