Thermo Scientific Thermo Scientific Vanquish VC-D40, Operating Manual

Page: 109 / 174

7 • Maintenance and Service
Variable Wavelength Detectors (VC-D40, VF-D40)
Operating Manual Page 109
Figure 23: Screws on the lamp house cover
3. Remove the lamp house cover.
CAUTION—Hot surface
The lamp may become hot. Touching a hot lamp might cause burns.
• Touch the lamp briefly and carefully to find out if it is hot before you
remove the lamp.
• If it is hot, wait until the lamp has cooled down.
4. Push the clip on the lamp connector and disconnect the connector
from the lamp socket on the device.
5. With your hands, loosen the two screws that attach the lamp to the
lamp house.
6. Pull out the UV lamp.
7. Inspect the new UV lamp for signs of fingerprints and dust.
If necessary, clean the UV lamp with isopropanol and a lint-free
tissue before you install it.
8. Align the new lamp with the locating pin.
When the lamp is in the correct position, push the lamp gently into
the lamp house. The lamp socket must be in a level position with the
lamp house.
9. When the lamp is properly seated, tighten the two screws to attach
the lamp to the lamp house.
10. Reconnect the lamp connector.