Replace The Lamp - HACH LANGE QuikChem 8500 2 Serie Wartung Und Fehlerbehebung

5. Operate the system with the caustic solution for five minutes.
6. Put all the reagent tubing in deionized water to flush out the sodium hydroxide. Operate the
system with the deionized water for at least 10 minutes.
Figure 4 Flow cell connections
1 Flow cell
2 Flare
3 O-rings (3x)

Replace the lamp

Electrocution hazard. Remove power from the instrument before doing maintenance or service
activities.
Burn hazard. Turn off power and allow the instrument to cool before this procedure.
Do not touch the lamp bulb when the lamp is installed.
Refer to the specifications in the installation manual for the lamp specifications and refer to
for the lamp replacement.
4 Flow cell connector (tubing goes to waste)
5 Flow cell connector (tubing comes from manifold)
D A N G E R
C A U T I O N
N O T I C E
Figure 5
English 11