Endress+Hauser StamoLys CA 71 HY, Руководство по эксплуатации

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Maintenance Stamolys CA71HY
36 Hauser
3. Tighten the screw another complete rotation.
"
Caution!
Adjust the contact pressure of the reagent hoses so that no sample is pumped into the reagent.
Otherwise the reagent becomes immediately unusable.
For this reason, only perform tests with distilled water.
7.4 Replacing valve hoses
To replace the hoses, proceed as follows:
1. Flush the old hoses with water first and then with air to empty them (see SERVICE).
2. Remove the hoses from the valves:
a. You can disconnect the front hoses directly because the valves are open when de-energized
b. To remove the back hoses, press the black button on the valve and disconnect the hoses.
3. Spray the new hoses and valves with silicone spray before inserting them.
4. Reverse the sequence of operations to install the new hoses.
Ensure that the hoses are connected correctly (
→
å
23).
5. After installation, refill the hoses with sample, standard or cleaning agent (SERVICE).
6. Determine the frequency offset (CONFIGURATION) and carry out calibration ("Calibration").
a0001730
Fig. 23: Valves and valve hoses
V1-4 Valves 1, 2 and 4 (if present)
V3
Channel switching
1 Sample
2 To the pump
3 Y-piece, hose connection to valve 1, at rear
4 Outlet hose
5 Hose valve 2 at front, standard
6 Hose valve 2 at rear, cleaner
7 Hose valve 1 at front, sample
a0001651
Fig. 22: Sample pump
3 Adjuster screw for the contact pressure
3
2 3
5 6 7
V1 V2 V4
1
4
V3