Reassemble the Pre-Focus Stop Mechanism
Note: It is important that the sliding surfaces within the
pre-focus stop mechanism be kept extremely clean (i.e.,
free of any grease, fingerprints, debris, etc.) to prevent
binding and sluggishness of this mechanism when
reassembled.
Clean the old grease from the threaded lock ring. Be
sure to thoroughly clean the polished, inside surface of
any grease or contamination.
screwdriver to reinstall the three M3X6 flat-head screws
to secure the threaded lock ring onto the pillar arm
3
casting
(see
Figure
79).
Figure 79 – Reinstall the threaded lock ring
Thoroughly clean both sides of the rotating lock ring
and the outside surface of the brass pinion mount that
protrudes from the left-hand side of the pillar arm
casting of any grease or contamination.
rotating lock ring over the brass pinion mount and into
the recess of the threaded lock ring, with the stop screw
facing outward (see
Figure
Figure 80 – Reinstall the rotating lock ring
3
This step only applies if the threaded lock ring was removed during
disassembly.
Complete Teardown, Cleaning, and Reassembly of the Olympus BH-2 Coaxial Focus Mechanism
Use a suitable JIS
Place the
80).
Lightly apply a coating of grease to the threads around
the outer perimeter of the threaded lock ring, being
very careful to not get any grease anywhere else on the
threaded lock ring, or on any of the other pre-focus lock
components (see
Figure
Figure 81 – Lightly grease threads of threaded lock ring
Being careful to not damage the plastic pre-focus lock
collar with the cleaning solvent, remove the old grease
from the inner threads and thoroughly clean the inside
brass bearing surface of any grease or contamination.
Screw the pre-focus lock collar onto the threaded lock
ring, making sure that none of the grease on the
threads gets onto the rotating lock ring, the flat surface
of the threaded lock ring, or the inside brass bearing
surface of the pre-focus lock collar (see
Figure 82 – Reinstall the pre-focus lock collar
Clean the old grease from the nylon thrust washer that
was removed from the end of the brass pinion mount.
Lightly coat both sides of this washer with fresh grease
81).
Figure
82).
Revision 4
Page 26 of 40
Halaman Cetak