Hach-Lange DR 6000 User Manual - Manual (Page 136)

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Maintenance
7.1.3 Cuvettes/cells
1. After use, clean the glass cells with cleaning agents.
2. Afterwards, rinse the cuvettes/sample cells several times
with tap water and then thoroughly with deionized water.
Note: Glass cuvettes/sample cells that have been used for organic
solvents (such as chloroform, benzene, toluene, etc.) must be rinsed
with acetone before being treated with cleaning agents. In addition,
another rinse with acetone is necessary as a final treatment step before
the cuvettes/sample cells are dried.
7.2 Lamp replacement
7.2.1 Open the lamp compartment
1. Switch off instrument.
2. Remove the power cable from the instrument.
3. Remove all other devices (keyboard, USB etc.).
4. Turn the instrument around to allow for lamp access.
5. Use a cross-head screwdriver to undo the screws on the
lamp compartment cover ( Figure 6 step 1).
6. Remove the cover ( Figure 6 step 2).
Figure 6 Open the lamp compartment
C A U T I O N
Potential Chemical/ Biological Exposure Hazards.
User correct laboratory practices if a risk of chemical exposure exists.
D A N G E R
Risk of electric shock
Disconnect the instrument from the power source before the lamp
replacement procedure is commenced and until the lamp replacement
procedure is complete.