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6-6 Operator’s Manual – OPTI CCA-TS
6 MAINTENANCE
6.4 Annual Maintenance
Once a year, the peristaltic pump cartridge and gas I/O port must be replaced to assure that your
analyzer operates at peak performance.
6.4.1 Replacing Peri Pump Cartridge
To change the cartridge:
1. Open the printer cover door. The peri pump is
located to the right of the printer. Remove the
pump by firmly grasping the ends of the housing
and pulling upward (Fig. 6-12).
2. Replace the pump seals only as needed.
Remove the old pump seals with a pair of
hemostats or tweezers (Fig. 6-13). Carefully
grasp the seal and pull it out.
CAUTION: When removing the seals, take extra
care to avoid damaging the nipples
located at the bottom of the seal
recess.
3. Press the new pump seals into the seal recess
with the large side facing up.
4. Install the new pump cartridge by first rotating
the flat surface on the pump motor shaft to align
with the flat surface of hole (keyway) in the
pump cartridge roller. Press the cartridge firmly
down until it is fully seated on the housing of the
instrument (Fig. 6-14).
Fig. 6-12 Remove Pump Cartridge
Fig. 6-14 Install New Cartridge
Fig. 6-13 Pump Seals