Olympus BHTU Démontage, nettoyage et remontage complets - Page 7

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Également pour Olympus BHTU : Manuel d'instructions (22 pages)

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To remove the reverse nosepiece assembly, hold the

reverse nosepiece assembly in place with one hand and

use a suitable JIS screwdriver to remove the three

M2.6X14 pan-head screws securing it to the microscope

arm with the other hand (see

Figure 4 – Remove screws securing nosepiece assembly

Remove Corrective Optics and Wedge Mount

The wedge mount is attached to the stationary base of

the turret assembly with four M2.6X25 pan-head

screws, and by the corrective-optics assembly, whose

threaded end passes through the center bore of the

wedge mount and screws into the tapped center bore

of the stationary base (see

Figure 5 – Screws securing the wedge mount

Before attempting to loosen and remove the corrective-

optics assembly, use a suitable JIS screwdriver to

remove the four M2.6X25 pan-head screws securing the

wedge mount to the stationary base of the turret

assembly (see

Figure

6). It is important to remove these

four screws before attempting to remove the

corrective-optics assembly, to prevent the barrel of the

corrective-optics assembly from binding with the center

bore in the wedge mount (due to the very close

Complete Teardown, Cleaning, and Reassembly of the Olympus BHSU/BHTU Reverse Nosepiece Assembly

Figure

4).

Figure

5).

tolerances

involved)

assembly is loosened and removed.

Figure 6 – Remove screws securing the wedge mount

Once the four M2.6X25 pan-head screws securing the

wedge mount to the turret assembly have been

removed, use non-marring pliers or a suitable strap

wrench to grip the barrel of the corrective-optics

assembly and loosen the corrective-optics assembly by

rotating it counter-clockwise (see

Figure 7 – Loosen the corrective optics assembly

Unscrew and remove the corrective-optics assembly,

which at this point is all that is holding the wedge

mount onto the stationary base of the turret assembly

(see

Figure

8). Once the corrective-optics assembly has

been removed, place it someplace where it will be

protected from physical damage, dust, and debris.

Figure 8 – Remove the corrective-optics assembly

when

the

corrective-optics

Figure

7).

Revision 3

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