Olympus BHTU Komple Söküm, Temizlik ve Yeniden Montaj - Sayfa 11

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Place the turret assembly into a suitable work vise and

use a heat gun to thoroughly heat the turret assembly,

to soften the internal grease. Then use a center punch

or nailset tool to loosen the threaded retaining ring by

placing the tip of the tool into one of the four tooling

holes in the threaded retaining ring (see

driving the threaded retaining ring counter-clockwise by

carefully tapping the tool with a small hammer or mallet

(see

Figure

23). Be careful and do not accidentally put

the center punch or nailset tool into one of the five

detent notches in the revolving turret (instead of into

one of the four tooling holes in the threaded retaining

ring), or the revolving turret will be irreparably

damaged when the punch is struck by the mallet.

Figure 23 – Loosen the threaded retaining ring

Continue loosening the threaded retaining ring and

remove it, being careful that the perimeter bearing balls

beneath the threaded retaining ring do not fall out and

become lost in the process (see

Figure 24 – Remove the threaded retaining ring

Remove the Perimeter Bearing Balls

Carefully remove the 3/32" bearing balls (there are 80

of them) from the channel formed by the outer

perimeter of the stationary base and the inner

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

Figure

22) and

Figure

24).

perimeter of the revolving turret. A small magnet can

come in handy here (see

Figure 25 – Remove the perimeter bearing balls

Remove the Stationary Base from the Turret

Once the perimeter bearing balls have been removed

from the channel, lift the stationary base free of the

recess in the revolving turret and remove it (see

26).

Figure 26 – Lift and remove the stationary base

Thoroughly Clean the Various Components

Use a suitable solvent (e.g., acetone) to thoroughly

clean all the old grease from the stationary base,

revolving turret, threaded retaining ring, perimeter

bearing balls, center-pivot ball, mechanical detent stop,

pivot-adjustment screw, and the slotted lock ring, in

preparation for reassembly.

Reinstall Stationary Base into the Revolving Turret

Hold the stationary base such that the center pivot is

facing downwards, and then lower the stationary base

into the recess of the revolving turret (see

Figure

25).

Figure

Revision 3

Page 11 of 19

Figure

27).