The assemblies look similar. To tell the difference, note the air injection tee in the
discharge tubing assembly has a larger diameter barb than the reagent injection tee
in the suction tubing assembly.
7. Install replacement sample inlet and drain tubing.
The sample inlet tubing is longer than the drain tubing.
10.3.4 Peristaltic pump tubing
The expected life of the peristaltic pump tubing is one year.
To replace pump tubing:
Procedure
1. Turn off the sample and reagent pumps.
2. The reagent and sample tubing is connected to the pump tubing with luer fittings.
Disconnect the fittings from the pump by turning the fitting in the direction of the
arrow.
See Figure 10-5.
Luer FittingsFigure 10-5:
3. Using your thumb and forefinger, gently pinch the sides of the pump cover. Slide the
cover upwards to remove it.
See Figure 10-6.
Maintenance
Instruction Manual 77