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R-4106.A
REPAIR ANO ADJUSTMENT
Di111>lacam111nt
ot
th11
C4ntllf
of
R
iljht
or
L11tt
ViGw1klld
8. Levai Oiffllmu:e
of
Pairad
Exit
Pupilt1
9.
Not
Smooth
Rotlltlon
of
tho Binocular
Body
(Only
in
ttut
Cai1111
of
F·tubel
Proc::edu
ra
Sarne
as
in
the
case
of
1.
Unclear
Shadows Appear
in
the
Viewfield
Ouring
Observation,
cause
(1)
(P.
35).
In
the
case
of (2) ......
Sarne
as
mentioned
above
in
( 1
),
or
remove
dust
using
a blower.
Proc::edure
l)
Disassemble
the
binocular body of B-tube.
2)
Clean
prisms
@
and
@ or
@.
3)
Make
assembly,
foilowing
Reassembly Procedure.
4)
See
that
no
dirt
is
observa
te
d
in
the optical system.
7.
Displacement
of
the Cantar
of
Right
or
Left Viewfield.
Refer to Centering
of
Viewfield
(Adjustment
2-3.
P.
45).
For
UW-tube,
refer to Centering of Viewfield (Adjustment
2-5.
P.
45)
8.
Levei Differance
of
Paired
Exit Pupils
Refer to
Levei
Difference (Adjustment
2-6.
P.47).
9.
Not
Smooth Rotation
of
the Binocular Body (Only in the
Case
of
F-tube).
Cause: (
l)
Breakage,
deformation or slack of
pia
te spring @ .
(2) Breakage, deformation or
oil
shortage of celluloid
washer
@ or
@.
< Repair and Adjustment >
In the
case
of
(1) ......
lf
plate spring @
is
found broken
or
deformed,
make
replacement.
lf
slag
takes place, fasten
up
screws
@ x
2,
tightly.
Proc::edure
l)
Disassemble the depression prism unit
of
F ·tube.
2)
Make
Repair
and
adjustment, mentioned above.
3)
Make
assembly, referring
to
Assembly Procedure.
4) Finally, check
for
smooth rotation of the binocular body.
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