Appendix B: Depot Repair Procedures 159
Removing the HTS Unit
Follow this procedure to detach your HTS unit from the cytometer to perform
maintenance specified in this user’s guide, or before sending it in to
BD Biosciences for depot repair.
NOTICE If you are able to run the system, decontaminate the HTS before you
remove it by performing a monthly cleaning procedure. See Monthly
Maintenance on page 111. If you cannot run the system, decontaminate it after
removal as described in Cleaning the HTS Unit on page 162.
1 [BD LSR II and BD FACSCanto] Switch off the HTS power.
2 Shut down the cytometer.
3 Remove or open the HTS safety cover.
4 Detach the sample coupler from the cytometer SIT.
• Unscrew the top nut.
• Pull the sample coupler down and away from the SIT, leaving the nut
attached to the sample coupler.
5 Locate and loosen the positioning screw that secures the HTS unit to the
base plate.
See Figure B-1 on page 160.
All cytometer surfaces that come in contact with biological specimens can
transmit potentially fatal disease. Use universal precautions when handling
cytometer parts. Wear suitable protective clothing, eyewear, and gloves.
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