Operation; Maintenance - Hach SP-510 Basic User Manual

Operation

After the instrument power is set to on, the SOFT LED flashes until the first reading cycle is
completed. The cycle takes 2 minutes. Then, the SOFT LED shows a stable green light.
The instrument operates maintenance-free for a minimum of 2 months. Periodically, do a visual
check to see if bubbles are in the tubing. If there are bubbles, look for an air leak. Refer to
Maintenance schedule

Maintenance

Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Maintenance schedule
Table 4 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions can increase the frequency of some tasks.
Task
Replace the reagent on page 19
Replace the pump tubes
Replace the tubing on page 19
Clean the colorimeter on page 19
Replace the sample conditioning filter
Replace the fuse on page 20
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.
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.
3
Ambient operating temperatures more than 27 °C (80.6 °F)
4
Ambient operating temperatures less than 27 °C (80.6 °F)
18 English
on page 18 for maintenance tasks.
Table 4 Maintenance schedule
on page 19
on page 20
C A U T I O N
D A N G E R
2 months 3 months 6 months 1 year As necessary
x
3
x
4
x
x
x
x
x