Endress+Hauser Stamolys CA71CL, Operating Instructions Manual

Page: 32 / 56

Maintenance StamoLys CA 71 SI
32 Hauser
7 Maintenance
"
Caution!
You must not carry out any procedures
not listed in the following chapters, yourself.
This work must only be carried out by the E+H Service.
!
Note!
Please, find accessories and wear parts in chapter "Accessories".
7.1 Maintenance schedule
All maintenance duties that have to be carried out during normal operation of the
analyzer are explained below.
If you are using a sample conditioning unit, e.g. CAT 430, coordinate the maintenance
work required for it with that of the analyzer. For this, read the maintenance chapter in
the respective operating instructions.
!
Note!
Whenever working on the reagent hoses, the hoses must be disconnected from the
canisters, in order to prevent contamination of the reagents.
Period of time Duty Note
weekly – Check and note calibration factor
(for service purposes)
– Move valve hoses into their position
and spray with silicone (extends the
service life).
CONFIGURATION
every 2 weeks – Check concentration of the calibration
standard in the laboratory
– Adjust if necessary (PARAMETER
ENTRY) or new standard
– Remove the cassette of the
sample pump when doing this.
monthly – Flush sample line hose system with
pressurized water (disposable syringe),
check and replace
reagents if necessary
– Flush the sample tubing system with
12.5% bleaching lye (sodium
hypochloride) and reflush thoroughly
with water
#
Warning!
Corrosive. Wear protective gloves and
goggles. Beware of reagent splashing.
– Spray pump hoses with silicone spray
– Check sample collector for fouling and
clean it if necessary
– Rotate pump hoses
– see chapter "Replacing reagents"
– SERVICE:
V1: S, P1: g, P2: s, V2: S
Add solution to sampling connection
every 3 months – Cleaning drain lines
every 6 months – Replace pump hoses
– Replace valve hoses – see chapter "Replacing pump hoses"