Beckman Coulter UniCel DxC 600, Instructions For Use Manual, Page: 335 / 498

A13914AF
9-99
Maintenance
As-Needed/As-Required Maintenance
9
Replace the Sample and Reagent Probe
The Sample or Reagent Probe should be replaced when visual inspection or chemistry performance
indicates there is a compromised probe condition (scratches, pits or blockage). These instructions
cover installation of the replaceable style probe.
CAUTION
To prevent damage due to electrical static discharge (ESD), wear a wrist ground
strap when you perform this procedure. For further instructions, refer to
Basic
Laboratory Practice in the beginning of this chapter.
Replace the Old Probe
1
Press the
STOP
button on the instrument to stop all motors.
2
Using a 3/8 inch open end or adjustable wrench, loosen the nut (1) at top of probe.
Figure 9.74
3
Pull downward first on the probe, then up and to the side to remove the probe from the collar
wash.
4
Check to make sure the O-ring is on the nut. If the O-ring stayed inside the level sense bead,
bump it loose with a wooden applicator stick.
A007413P.EPS
1