Haemonetics PCS 2, Руководство пользователя

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2-16 PCS2 Service Manual
8. Thread the large knurled centrifuge knob (flat side up) onto the lock
shaft.
9. Install the o-ring into the channel of the centrifuge knob cap. Apply a
light coating of vacuum grease or o-ring lubricant.
10. Apply a small amount of purple loctite onto the top of the lock shaft
and thread the knob cap onto the shaft. Tighten the cap down using a
small set of needle-nose or snap-ring pliers.
11. Close centrifuge cover halves to check the general operation of the
assembly.
12. Apply a small amount of green loctite to the underside edge of the
knob disk and set it onto the knob cap. Wipe off any excess loctite.
13. Install the cover switch assembly and calibrate the switch position.
14. Install the centrifuge into the cabinet.
Fluid Sensor Assembly
1. Remove the (1) center Phillips head screw from the fluid sensor
assembly pcb.
2. Gently twist the fluid sensor assembly out of the centrifuge well.
3. When reinstalling, place a bead of rtv around sensor housing to seal.
Note: Ensure that the rtv does not cover the face of the detector.
Bowl Optics Assembly
Note: Do not perform this procedure unless you have the necessary test
fixtures to realign after reassembly. (This includes the optical alignment
fixture and photographic gray card. See Chapter 4, Calibration.)
1. Remove the (1) Phillips head screw securing the ground to the optics
assembly.
2. Using a 1/4" wrench (or equivalent), remove the (4) #4-40 hex nuts
securing the optics assembly to the centrifuge well and pull off the (2)
wedge-shaped spacers.
3. Gently push the top of the optics assembly into the centrifuge well,
and guide the optics pipe through the cavity.
4. To remove the optics cable, firmly hold the optics assembly and, using
a locking plier, grip the brass threaded coupler and unscrew the optics
cable from the optics assembly.
5. Very carefully, remove any debris in the optics assembly (cable)
threaded hole. Any dried primer/Loctite could interfere with the
transmission of light.