84 . Spectrum 100 Series User’s Guide
Opening the Main Cover
To perform most maintenance tasks, you have to open the main cover of the
spectrometer.
WARNING
Switch off the mains power supply to the spectrometer, wait 60
seconds and disconnect the power cable before you open the cover of
the spectrometer. This makes sure that you are safe from electrical
shock and laser radiation.
CAUTION
Do not open the main cover if the humidity is:
>75% relative humidity for an instrument fitted with KBr optics.
>45% relative humidity for an instrument fitted with CsI optics.
The humidity sensitive optics will be damaged if subjected to a relative
humidity in excess of the specified levels.
The main cover is hinged at the back of the instrument and opens from the front. Figure
29 identifies the locking bolts, which are on the front of the instrument.
Figure 29 Main cover locking bolts
1. Switch off the power supply to the spectrometer.
2. Wait for 60 seconds.
3. Disconnect the power cable.
4. Remove the sample area cover, if fitted; open the cover, press on the cover
retaining clip and pull the cover vertically to remove it (Figure 30).
Lockin
Bol
Lockin
Bol