Olympus VMF Repair Manual

14. PLAY IN SLIDING
SURFACE
OF FOCUSING MECHANISM
Causes:
Warn-out surfaces after
prolonged
use.
AA949500
Emery
Cloth
Fig.
90
Fig. 91
14-1
Disengage
Pillar
AA449400
and Mounting
Bracket
ZJ853800.
14-2 Detach rack
AA949600.
14-3 Detach
dovetail
AA949500
from
Mounting
Bracket.
14-4
File the back
of
dovetail
with
emery
cloth
that
is
flattened
on
an
even
surface.
To
file
evenly, slide dovetail
in one direction
several
times on emery
cloth,
and then
reverse
sliding
direction
with
even
force
with
which you
depress
dovetail
on emery
cloth,
in order
to
avoid tapering
of
surfaces.
(See
Fig.
90.)
14-5 Keep
lapping
of
dovetail
to
such
a degree
that
dovetail
and
Pillar should
be
a
little
tight
when
assembled.
NOTE:
If
dovetai
I
is
filed
excessively,
si
ightly
loosen
screws
HK3x4SA,
3 pieces
that
fasten
dovetail
to
Mounting Bracket, and
lap dovetail while
fastening screws
gradually.
14-6 When entire surfaces are
lapped correctly
which means
that
its movement
is
neither
too
tight
nor
too
loose,
stop
lapping, clean
off
abrasive and check
play,
if
any.
Holding block
firmly
in
your
hand, swing
it
to
the right and
left
alternately
as
shown
by
arrows in sketch,
left,
with
dovetail
in position
"AA"
and then
position
"BB".
If
you
feel
a very
faint
play
be-
tween dovetail
and
Pillar
as
you swing
it,
it
is
all
right.
14-7
Grease
sliding surface and
slide
it
repeatedly
until
grease
is
spread. When you do
not
feel
play
as
you swing dovetail in position
"AA"
and
"BB",
dovetail
is
lapped correctly.
If
not,
disassemble
unit
again
for
re-lapping.
(See
Fig. 91.)
14-8
Assemble
rack.
14-9
Assemble Pillar
AA949400
to
Base
AA920500.
-47-

Olympus VMF Specifications

General

Brand	Olympus
Model	VMF
Category	Microscope
Language	English