Chapter 4: Maintenance 119
Replacing the HTS Sheath Filter
The HTS sheath filter is integrated in the fluid line that supplies sheath fluid to
the HTS unit (Figure 4-9 on page 120). Replace the filter every 6 months.
1 Loosen the positioning screw holding the HTS to the cytometer support
bracket (Figure 4-8).
Figure 4-8 Loosening the positioning screw (example shown for BD LSR II)
2 Slide the HTS unit towards you by doing the following:
• Slightly lift the HTS unit to clear the screw.
• Being careful not to strain the sheath tubing, slide the unit towards you
until you can access the filter.
All cytometer surfaces that come in contact with biological specimens can
transmit potentially fatal disease. Use universal precautions when handling
cytometer components. Wear suitable protective clothing, eyewear, and
gloves.
support bracket
positioning screw
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