Hach QP 1680-TOC/TNb Basis-Benutzerhandbuch Seite 18

Table Table 2 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks.
Task
Examine for leaks and spills. Clean as necessary.
Make sure that the tubing in the reagent
containers touches the bottom of the container.
Make sure that the waste container has sufficient
capacity. Discard waste as necessary.
Examine the level in the humidifier. Fill as
necessary.
Examine the injection needle for damage. Replace
if damaged.
Examine the movement of the sampler
Clean the furnace injection port.
Replace all UPW in the UPW reagent container.
Replace the particle filter.
Examine all tubing from the reagent containers for
damage.
Examine for dust at the air intake points of the
analyzer. Replace the fan filter if necessary.
Examine for leaks at the reagent containers.
Replace the containers as necessary.
Examine the O-ring of the furnace tube (red, top of
the furnace tube)
Examine the O-ring of the furnace injection port
(black)
Examine the halogen scrubber. Replace as
necessary.
Replace the catalyst.
Annual maintenance
4
An annual maintenance inspection by a factory-trained and certified service engineer is
recommended. The annual maintenance includes important checks and part replacements to
keep the analyzer in good condition.
18 English
Table 2 Maintenance schedule
4
1 day 1 week 30 days 90 days 365 days
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X