Table Of Contents; Reagent - Hach APA 6000 Maintenance And Troubleshooting Manual

This symbol indicates the need for protective eye wear.
This symbol indicates that the marked item requires a protective earth
connection. If the instrument is not supplied with a ground plug on a
cord, make the protective earth connection to the protective
conductor terminal.
This symbol, when noted on the product, identifies the location of a
fuse or current limiting device.
Maintenance
C A U T I O N
Multiple hazards. Only qualified personnel must conduct the tasks
described in this section of the document.
C A U T I O N
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.
C A U T I O N
Chemical exposure hazard. Dispose of chemicals and wastes in
accordance with local, regional and national regulations.
Maintenance schedule
N O T I C E
Failure to complete the 3-month scheduled maintenance tasks on time will result
in operational problems and pump leaks.
4 English
N O T I C E
Maintenance tasks that are not shown in
authorized service personnel.
Table 1 shows the recommended schedule of maintenance tasks.
Facility requirements and operating conditions may increase the
frequency of some tasks.
Table 1 Maintenance schedule
Task 1 month 3 months 6 months As necessary
Replace the reagents and
1
standards on page 5
Examine the pump, valve
and mixer modules
on page 6
Examine the sample
conditioning block filter
2
on page 6
Examine the backpressure at
the drain block on page 7
Replace the pump piston
seals on page 7
Lubricate the pump module
on page 9
Replace the valve rotor
on page 10
Examine the tubing and
fittings on page 12
Clean the mixing chamber
on page 12
Replace the sample
conditioning block filter
on page 13
Replace a tube on page 14
Table 1 must only be done by
X
X
X
X
X
X
X
X
X
X
X