Teardown, Cleaning, and Reassembly of the Miscellaneous Parts of the Olympus BH-2 Microscope Frames Revision 1 Page 33 of 45
lens to fall out, being very careful so as to not scratch
the lens on the metal barrel in the process.
Figure 133 – Remove the glass collector lens
Use a suitable lens spanner tool (item 8 of Appendix 1)
to loosen and remove the lower retaining ring from
within the metal barrel (see Figure 134, Figure 135, and
Figure 136).
Figure 134 – The lower retaining ring in the barrel
Figure 135 – Loosen the lower retaining ring
Figure 136 – Remove the lower retaining ring
Use a suitable lens suction tool (item 9 of Appendix 1)
to carefully lift and remove the lower frosted glass disk
from within the metal barrel (see Figure 137).
Figure 137 – Carefully remove lower glass diffusion disk
Clean Components of Light Inlet Assembly (BHT/BHTU)
Use a suitable lens-cleaning solution (item 4 of
Appendix 1) and dust-free, non-abrasive optical wipes
(item 5 of Appendix 1) to clean the various optical
components of the Light Inlet Assembly.
Reassemble the Light Inlet Assembly (BHT/BHTU)
Use a suitable lens suction tool (item 9 of Appendix 1)
to carefully lift and place the lower glass diffusion disk
into the lower recess in the metal barrel (see Figure
138).
Figure 138 – Place lower diffuser in the recess in barrel
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