Olympus VMF Repair Manual

11-3
In
case
of
unadjustable heaviness
of
the focusing tension due
to
worn-out
Washer
AA921500.
a)
Disengage
Pillar
AA949400
and Mounting Bracket
ZJ853800.
b) Remove
right
side Focusing
Knob
AA073500.
c)
Remove
worn-out
washer
AA921500.
d)
Put replacement
washer in position.
Apply
a small
amount
of
fast
drying
adhesive
into
recess
of
knob,
insert new washer
with
wooden
peg.
e)
Screw
right
side Focusing
knob
onto
pinion
shaft and check tension
of
rotation.
12.
ADJUSTMENT
OF
PINION
AA949800
&
RACK
AA
949600
AA949600
Tin
Foil
AA949500
Tin
Foil
Fig. 86
AA949600
Fig. 87
Insert Dovetail
AA949500
of
Mounting
Bracket
into
the
pillar
AA949400.
12-1
How
to
check play:
Holding
pillar
AA949400
firmly
in
your
hand,
rotate one
of
the Focusing
Knob
AA073500
then
reverse
the
direction
of
the Focusing
Knob
to
feel play
between Rack and
Pinion.
12-2
If
rack and
pinion
have
play:
According
to
degree
of
play, insert
tin
foil
in
a range
of
thickness
from
0.01
mm
to
0.05
mm
between rack and
dovetail
AA949500
until
there
is
no more
play.
(See
Fig. 86.)
12-3
If
rack and
pinion
mesh
too
tightly:
-45-
Slightly
file
back surface
of
rack
with
emery
cloth.
*
Emery
cloth
should
be
placed
on a
flat
surface upon which you press rack
with
even
force.
(See
Fig. 87.)

Olympus VMF Specifications

General

Brand	Olympus
Model	VMF
Category	Microscope
Language	English