Hach-Lange LZY367 cleaning set for filtration probe sc - Manual (Page 6)

4
Cleaning set LZY367
Cleaning the analyser
1. Place the analysis instrument in the service state.
a. For this purpose open the main menu on the analysis instrument.
b. Select the menu MAINTENANCE>TEST/MAINT>SERVICE MODE and choose
START.
2. Assemble the cleaning set as shown in the drawing Figure 6 Cleaning set assembled
on page 7 .
3. Remove the tube connection on the overflow vessel at the bottom right and fit the
blind plug (see Figure 7 Fitting the blind plug and the cleaning set on page 8 ).
4. Fill the syringe with cleaning solution.
5. Remove the sample feed tube for the FILTRATION PROBE sc on the bottom of the
overflow vessel and fit the tube connection for the cleaning set (see Figure 7 Fitting
the blind plug and the cleaning set on page 8 ).
6. Inject cleaning solution into the overflow vessel until it is completely full.
Note: Do not fill the overflow vessel with too much cleaning solution, as the cleaning solution can
leak through the outlet in an uncontrolled manner.
7. After 5 minutes draw off the cleaning solution and dispose of the cleaning solution
with due attention for the protection of the environment.
8. Rinse the syringe and the overflow vessel with clean water.
9. Re-fit all tubes and tube connections as before.
10. Open the MAINTENANCE menu level by pressing the back arrow.
Note: The following question appears on the display: SERV. HOLD MODE?
11. Choose the answer: NO / MEASURE START.