Olympus BH2 Series Zerlegung, Reinigung und Wiederzusammenbau - Seite 27

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Figure 101 – Proper orientation of field diaphragm rotor

Figure 102 – Carefully reinstall the field diaphragm rotor

Carefully rotate the diaphragm rotor, making sure the

leaves move smoothly without interference or binding.

See

Figure

103.

Figure 103 – Verify smooth operation of field diaphragm

Carefully rotate the diaphragm rotor until the

diaphragm closes down to a pinhole aperture, being

careful not to go beyond this point. See

Teardown, Cleaning, and Reassembly of the Miscellaneous Parts of the Olympus BH-2 Microscope Frames

Figure

104.

Figure 104 – Close field diaphragm to a pinhole aperture

Observe the orientation of the diaphragm rotor relative

to the metal diaphragm stator. The two orthogonally

located holes for the screws should be in the position

shown in

Figure

105.

Figure 105 – Orientation of the screw holes in the rotor

If the two orthogonal screw holes are not in the proper

position as shown in

Figure

diaphragm rotor until the aperture diaphragm is once

again wide open, then lift and remove the diaphragm

rotor and reinstall it in such an orientation that the

locations of the two orthogonal screw holes will match

those shown in

Figure 105

closed down to a pinhole aperture.

With the slotted stop pin on the brass retaining plate

facing upwards, place the retaining plate into position

on the metal diaphragm stator, aligning the shape of

the plate with that of the stator, and aligning the four

holes in the plate with the four tapped holes in the

stator. See

Figure

106.

105, carefully rotate the

when the diaphragm is

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