HACH LANGE AMTAX inter2 Bedienungsanleitung Seite 102

page 108[+SERVICE] pre-pumping and
page 119).
Purge process
1. Call up [+SERVICE] menu
2. Unscrew screw caps from the reagent canisters A and B, from the
null and standard solution complete with the suction pipes (please
unscrew ORIGINAL CAP) and place in a beaker with distilled water
3. Pull out the hose from the standard solution, remove screw cap,
unscrew ORIGINAL CAP, remove bottle
4. Select menu item [PRE PUMPING]
5. After the purge process, take the suction pipes out of the beaker
again
6. Select menu item [PRE PUMPING] again
7. To finish, release the pump cassettes and remove the hoses from
the three hose pinch valves
Analysis section
N O T I C E
For all work on the dosing and valve hoses, always remove the dosing hoses from
the respective canisters first. (Return flow hazard). Please observe during the
handling of the reagents the safety notes under
Dosing hoses are hoses that are routed via the sample and reagent
pumps. Each dosing hose may only be used on the corresponding
sample pump or reagent pump.
Note: After three months, replace the sample dosing hose, the drain
hose and the hose for the standard. Coat the pump rollers of the sample
pump with silicone paste.
After six months, replace the dosing hoses for the reagents.
English 102
section General maintenance,
section Exchange of the reagents.
Figure 6 Hose plan for one-channel operation
(Continuous sample feed, for example FILTRAX)
Annual hose set LZV 277
1 Sample feed to the overflow vessel
2 Sample overflow from the overflow
vessel
3 Drain hose from the cuvette
4 Reagent A and B dosing hoses
5 Valve hose set
Sample, null, standard, cleaning
6 Outlet, stirrer vessel to the cuvette
V Valve hose, connects only the pinch valves (without marking)
D Sample dosing hose
(without marking)
N Null solution
S Standard solution
A Reagent A
B Reagent B
R Cleaning solution