PerkinElmer Frontier IR, User Manual

Page: 88 / 104

88 . Frontier IR Dual-Range Systems User's Guide
3. Install the standard sample holder baseplate, but remove the sample holder itself by
unscrewing the knurled screw (Figure 52).
Figure 52 Knurled screw
4. To remove the filter wheel, loosen the set screw that secures it to its shaft using a
1.5 mm Allen key (Figure 53) and then gently ease the filter wheel off the shaft,
rotating the filter wheel as required to clear the filter wheel from the other instrument
components.
Take care not to remove the spacer ring from the spindle, as this may be lost.
NOTE: If the set screw is not accessible, you may not have moved the filter wheel to
Position 1 as described in Step 1.
Figure 53 Filter wheel securing screw
CAUTION
Avoid touching the filters.
Some of the filters are quite difficult to see.
Screw
Knurled screw