Olympus BH2 Series Повний демонтаж, очищення та повторний монтаж - Сторінка 23
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Carefully apply a ring of grease to the upper end of the
brass pinion mount, into the area between the
chamfered end of the brass pinion mount and the steel
pinion (see
Figure
65). If any grease gets on the threads
of the steel pinion, be sure to thoroughly remove it to
prevent the grease from interfering with the bonding of
the thread-locking adhesive which will be applied later
to secure the slotted brass retaining ring to the steel
pinion.
Figure 65 – Apply ring of grease to the retaining-ring end
Use a fine-point tweezers or a toothpick with a dab of
grease on the end to carefully place the remaining 30
steel balls into the upper ring of grease, using the same
method as described earlier (see
before, be careful to ensure that none of the grease
gets onto the threads of the steel pinion. If any grease
does get on these threads, be sure to thoroughly clean
it off before proceeding.
Figure 66 – Place bearing balls in the retaining-ring end
Reinstall the slotted brass retaining ring onto the steel
pinion and tighten it to the point where there is no
Complete Teardown, Cleaning, and Reassembly of the Olympus BH-2 Coaxial Focus Mechanism
Figure
66). As stated
noticeable end play of the steel pinion in the brass
pinion mount (see
Figure
Figure 67 – Reinstall the slotted brass retaining ring
Hold the brass pinion mount in one hand and rotate the
gear on the steel pinion with the other hand, noting
how the rotation feels.
retaining ring to the point where the rotation just
begins to feel rough, and then back it off a bit until it
again feels smooth. If the rotation cannot be made to
feel smooth by this method, disassemble the pinion
assembly to correct whatever is wrong and then
reassemble, per the above instructions.
adjustment and staking of the slotted brass retaining
ring will happen in a later assembly step.
Reinstall the Tension Knob and Washers
Clean the old grease from the tension-adjustment knob,
metal wave washer, and from the nylon washer. Apply
grease to both sides of the metal wave washer and seat
it into the tension-adjustment knob (see
Figure 68 – Reinstall the greased metal wave washer
Note: The nylon tension washer may have a smooth surface and a
grooved surface, or it may have two smooth surfaces.
Apply a coating of grease to one of the smooth faces of
the nylon tension washer (or to the single, non-grooved
face, as applicable) and place it on top of the metal
67).
Tighten the slotted brass
The final
Figure
68).
Revision 4
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