Olympus X-Tr Manuale di riparazione - Pagina 29
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4)
Disassemble helicoid unit.
Unscrew helicoid ring A
from B.
Make it practice to put
a mark on ring A in
corresponding position
to index line on ring B,
immediately before ring
A departs from ring B.
Use this mark to identi-
fy
connecting position
of ring A to ring B.
5)
Clean off grease deposited on rings.
6)
Apply new grease (EP grease) to threads.
7)
Aligning positioning marks on rings A and B, screw them, and
rotate them repeatedly until grease is spread all over the
threads.
8)
Attach scale ring.
9)
Attach setscrews.
10) Confirm position of helicoid ring.
Minimum eyepiece
tube length
(Setscrew is aligned
to index line.)
Middle length
("0" is aligned
to index line.)
- 27 -
Maximtun length
(Setscrew is aligned
to index line.)