Hach NT3100sc User Manual page 18

Do not disassemble the instrument for maintenance. If the internal components must be cleaned or repaired,
contact the manufacturer.
6.1 Maintenance schedule
Table 3 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks.
life of wearing parts for standard operating conditions and default (factory) settings.
Task
Visual inspection
Clean the measuring path
Validate the probe calibration
Replace the wiper blade
Manufacturer service inspection
Wearing part
Wiper blades (set of 5 pieces)
Wiper motor
Wiper shaft with seals
13
Housing seals
Flashlamp
Measuring window
Filter set
6.2 Clean the measuring path
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
10
Based on non-abrasive water conditions
11
Based on the default settings
12
A minimum of one inspection per year is required. For the best performance and uptime, the
manufacturer recommends 2 inspections per year.
13
Replace each time the probe is opened.
18 English
N O T I C E
Table 3 Maintenance schedule
on page 18
on page 21
on page 19
Table 4 Wearing parts consumption
Table 4
1 week 3 months
X
10,11
X
Quantity
1
1
1
1
1
2
1
C A U T I O N
C A U T I O N
shows the average service
6 months 1 year As necessary
10
X
12
X
Average service life
10,11
> 1 year
11
7 years
11
2 years
2 years
10 years
10
5 years
5 years
X