Maintenance
46
The measuring chamber can be cleaned with a cleaning agent
suitable for decalcification and rust removal. Flush the measuring
chamber thoroughly after cleaning.
After cleaning, re-insert the sight-glass windows and secure them
with the sight-glass window holders (Do not forget the flat seals
and ensure correct fitting in the groove).
Re-insert the measuring chamber and secure it using the toggle
type fastener.
Cleaning the controller/filter housing
Close the manually-operated valve of the branch line to Testomat
2000
®
THCL.
Depressurise the lines of Testomat 2000
®
THCL via the function:
SERVICE
MANUAL OPERATION
Flush cham
ber
Switch off the instrument and loosen the hose connections at the
filter housing.
Unscrew the inlet connection using an open ended spanner (size
22) and remove the seal, spring and filter.
Remove the retaining pin and extract the flow controller,
subsequently remove the flow controller valve body.
Clean the filter housing with water or alcohol; then reassemble the
unit.
If required, replace the seals.
Insert the filter strainer with the cone facing downwards!
Re-attach the hose connections at the filter housing.
Important maintenance information
Water leakage at sealed points can damage parts of the
instrument!
Please check the instrument for leaks prior to the first analysis.
Switch the instrument to "STANDBY"
Manually fill the measuring chamber
Manually dose the indicator ("Manual" key)
Check the connections and seals for leaks.
Service instructions
The surface of the instrument has not been treated. Therefore, avoid
any soiling caused by indicators, oil or grease. However, if the
housing becomes soiled, please clean the surface with isopropanol
(never use other solvents).
Zulaufanschluß
Inlet connector
Regler-/Filteraufnahme
Regulator/filter
CAUTION
!
