8
World Precision Instruments
Filter Holder
Mounting Screws
SS
Fig. 9—The fi lters are located inside the fi lter holders.
2. Use a Hex key to remove the two mounting screws that secure the fi lter holder
to the face of the
SI-BF-100 (Fig. 10)
.
Fig. 10— (Left) Remove the two mounting screws.
Fig. 11— (Right) When viewed from the back side of the fi lter holder, you can see the fi lter.
3. Pull the fi lter holder straight off of the chassis (Fig. 11).
4. Use a small hex key to loosen the set screw holding the fi lter in place. (Fig. 12).
Fig. 12—(Left) Use a hex key to loosen the set screw holding the fi lter in place.
Fig. 13—(Right) The fi lter was removed from this fi lter holder.
5. Gently invert the fi lter holder onto a piece of paper so that the fi lter falls out.
6. Position the new fi lter in the fi lter holder, replace the cover and tighten the set
screw.
7. Line up the holes on the fi lter holder with the screw holes on the face of the
chassis. The indents on the bottom of the fi lter holder fi t over the screws heads
that protrude from the face of the chassis.