Olympus BH2 Series Teardown, Cleaning And Reassembly - Page 18

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Olympus BH2 Series Teardown, Cleaning And Reassembly
Compare the nosepiece locking thumbscrew to those
shown in
Figure
51, to determine whether your scope
has the old-style or new-style nosepiece slide mount.
Note that the old-style thumbscrew has a plastic tip,
whereas the new style does not.
Figure 51 – Nosepiece locking thumbscrews

Remove the Nosepiece Slide Mount (BHS/BHT)

Note: if your scope has the old-style slide mount, there is no real
reason to remove it from the pillar arm, since it can be easily
cleaned in place. This procedure shows removal of the old-style
mount, for the sake of completeness.
Using a suitable JIS screwdriver, loosen and remove the
three m2.6x4 screws securing the nosepiece slide
mount to the BHS/BHT pillar arm (see
Figure 52 – Remove screws securing the slide mount
Remove the nosepiece slide mount from the BHS/BHT
pillar arm (see
Figure
53).
Figure 53 – Remove the slide mount from the pillar arm
Teardown, Cleaning, and Reassembly of the Miscellaneous Parts of the Olympus BH-2 Microscope Frames
Figure
52).

Clean Threads for the Locking Thumbscrew (BHS/BHT)

Using a pipe cleaner and a suitable solvent (e.g.,
acetone), clean the inner threads of the tapped
nosepiece lock screw in the BHS/BHT pillar arm (see
Figure
54).
Figure 54 – Clean tapped hole for the locking thumbscrew

Servicing the Old-Style Slide Mount (BHS/BHT)

This section applies only to the older style slide mount
(see
Figure
48). The newer style slide mount is covered
later in this document.

Clean Components of Old-Style Slide Mount (BHS/BHT)

Use a suitable plastic-safe solvent (e.g., alcohol) to clean
any grease or contaminants from the threads of the
nosepiece locking thumbscrew (see
use acetone on this piece, as this may attack the plastic.
If you do not have a suitable plastic-safe solvent
available, you can remove the plastic end-piece from
the thumbscrew, clean it with acetone or another
solvent, then replace the tip after it has been cleaned.
Figure 55 – Clean threads of locking thumbscrew (old style)
Use a suitable solvent (acetone) to clean any grease or
contaminants from the slide-mount base (see
56).
Figure
55). Do not
Figure
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