Hach SP-510 Manuel D'utilisation page 19

Task
Replace the sample conditioning filter
Replace the fuse on page 21
9.2 Clean the instrument
Clean the exterior of the instrument with a moist cloth and a mild soap solution and then wipe the
instrument dry as necessary.
9.3 Clean the instrument interior
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.
Refer to the MSDS for instructions to safely clean reagent spills and leaks. Obey all local and federal
regulations to dispose of cleaning materials.
9.4 Clean spills
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
1. Obey all facility safety protocols for spill control.
2. Discard the waste according to applicable regulations.
9.5 Replace the reagent
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
Note: Do not pour the remaining reagent into new bottles.
One 500-mL bottle of each buffer and indicator solution can be used for approximately 2 months.
1. Discard the old containers with remaining contents in compliance with MSDS and regulatory
requirements.
2. Install the new bottles. Refer to
solution on page 15.
9.6 Change the alarm trip point
Install the applicable buffer and indicator solution to change the alarm trip point to a different
hardness level. Let the instrument operate for 2 hours to purge the used reagents. Calibrate the
instrument again. Refer to
Table 4 Maintenance schedule (continued)
2 months 3 months 6 months 1 year As necessary
on page 20
C A U T I O N
C A U T I O N
C A U T I O N
Install the buffer solution
Trip point specifications
on page 15 and
on page 4 and to Calibration
x
x
Install the indicator
on page 17.
English 19