Hach-Lange DR 2800 eco - Manual (Page 114)

112
Maintenance
CAUTION
Wait until the lamp cools down. Contact with the hot lamp can
cause burns.
9. Lift the lamp fitting carefully.
10. Carefully remove both knurled screws and put them to one
side.
11. Remove the halogen lamp, complete with the plug panel.
12. Carefully unplug the halogen lamp from the plug panel.
Important Note: Hold the lamp by the fitting only. Avoid touching
the glass, as substances on the skin can bake onto the lamp bulb
and thus accelerate the ageing process of the lamp.
13. Plug new halogen lamp (order number LZV565) to the panel
again.
14. Insert the halogen lamp again with the rounded part pointing
down.
15. Secure firmly with the two knurled screws.
16. Carefully insert the lamp fitting again.
17. Use a screwdriver (slotted or cross-headed) to replace the
screws securing the lamp fitting.
18. Put the battery back in place, see 7.2 Inserting or changing the
battery (DR 2800 only) on page 107 .
19. Use a screwdriver or a coin to replace the screw securing the
cover.
20. Carefully stand the instrument upright.
21. Plug in power supply again – the Instrument is now ready for
use.
22. Reset the Lamp History, see 6.6.5 Lamp History on page 102 .