Hach 5500sc Maintenance Et Dépannage page 3

Table of contents
Maintenance schedule on page 3
Put the analyzer in shutdown mode
Clean the instrument on page 4
Safety information
Refer to the installation user manual for general safety information, hazard descriptions and
precautionary labels descriptions.
Maintenance
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Maintenance schedule
Table 1 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks.
Task
Clean external surfaces
on page 4).
Clean the sample cell (Clean the sample cell
on page 5).
Replace the reagents (Replace the analyzer bottles
on page 7).
Replace the standards (Replace the analyzer bottles
on page 7).
Clean or replace the sample (y-strainer) filter
Replace the fan filter
Replace the reagent air filter
Replace the tubing
Replace the stir bar
Replace the sample cell
1
With 10 minute cycles
2
With 15 minute cycles
3
With one calibration per week
on page 4
Table 1 Maintenance schedule
(Clean the instrument
Replace the analyzer bottles
Troubleshooting on page 10
Replacement parts and accessories
D A N G E R
30 days 60 days
X
on page 7
on page 15
90 days
X
X or as needed
1 2
X
3
X
X or as needed
X or as needed
365 days
X
X
X
X
English 3