Teardown, Cleaning, and Reassembly of the Miscellaneous Parts of the Olympus BH-2 Microscope Frames Revision 1 Page 26 of 45
Figure 96 – First seven field diaphragm leaves installed
At this point, you will have to change the way you
reinstall the remaining three leaves, since the pivot
holes for these last three leaves are now covered by
other leaves. To proceed from here, place your index
finger on the leaves as shown in Figure 97.
Figure 97 – Use index finger to hold the leaves down
While holding the leaves down with your index finger,
lift the free ends of the leaves up with your thumb, to
allow room to slip the next leaf into place. See Figure
98.
Figure 98 – Lift free end of leaves to slip the next one in
Carefully slip the end of the eighth leaf (the end with
the relief notch, if applicable) under the lifted ends of
the existing leaves and place the pivot pin into the
appropriate hole beneath the lifted leaves. Use the
pencil markings on the wall of the diaphragm stator to
aid in finding the obscured pivot hole. See Figure 99.
Figure 99 – Slip seventh leaf under the lifted leaves
In a similar manner, proceed to reinstall the remaining
two leaves. Once all of the leaves are in place, carefully
position the diaphragm leaves up against the side wall
of the metal diaphragm stator. See Figure 100.
Figure 100 – Position leaves against the stator side wall
Align the hole for the stop-pin in the diaphragm rotor
with the right/front tapped hole in the metal diaphragm
stator (see Figure 101) and carefully reinstall the
diaphragm rotor over the installed leaves, making sure
the radial notches in the rotor drop down over the
upward-pointing pivot pins on the leaves (see Figure
102).
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