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ADJUSTMENT
2. Smooth
ADJUSTMENT
1.
Torque
of
Coarse Focus Knob
1)
Referring to Reassembly Procedure
(P.
32), insert
wave
washer e@ and adjusting washer e@
in
sequence,
as
shown
in
Fig.
42, into coarse focus shaft
(@.
After screwing coarse focus knob @ and bush
@ into
@,
make
adjustment of the torque
to
400g -
SOOg,
by
means of washers @ , @ .
2)
When
a correct torque
is
obtained, disassemble coarse
focus knob
(®
and bush e@.
R-4104.A
1.
Torque
of
Coane Focus
Knob
of
the
Left
Fine Focus Knob
iº.
01121
Fig.
42
Applying adhesive
No.
410
to
the thread, tlx @ and @
in
position.
Be
careful not
to let the adhesive enter
the
internal surface of @ .
2.
Smooth Turning of
the
Laft Fine Focus Knob
1)
Referring to Reassembly Procedure
(P.
32), attach G7920 onto both sides
of
washer
@,
and insert the washer into
fine
focus shaft e@. Then, insert left
fme
focus knob @
into
e@
(beforehand, place set screw
~
into
@
),
and set it with @ in such a position
that the thrust slack
of
the knob
is
not felt by
touching with the
fmger.
li
2)
Make
sure
of
seizurc between coarse focus knobs
C@1)
and @ , and their smooth tuming.
- 38 -
Fig.
43