Hach-Lange DR 2800 eco - Manual (Page 113)

111
Maintenance
7.3 Changing of lamp
1. Remove the cuvette from the cell compartment.
2. Switch the instrument off.
3. Unplug the power cord.
CAUTION
If the instrument has been in use, wait until the lamp cools
down. Contact with the hot lamp can cause burns.
4. Turn the instrument over carefully and place it on a soft surface.
5. Use a screwdriver or a coin to remove the screw from the
cover.
6. Remove the cover and place it to one side.
7. If there is a battery in the instrument, push it out and put it to
one side too.
8. Use a screwdriver (slotted or cross-headed) to remove the
screws from the lamp fitting.