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R-4104A
ADJUSTMENT
5. Centering
the
Tube
Attaching and Stage Attaching Parts
5. Centering
the
Tube
Attaching and Stage Attaching Parts
To
perform the centering,
use
the three
to
ois,
as
foilows:
5-1.
Using
the tube receptacle substage centering tool 125142.
1)
Place
the part ®
of
the tool,
as
shown
in
Fig.
2 (P. 3) on the tube receptacle 0·
Set
the part @ onto the stage attaching mrface
of the substage. (Fig.
45)
2)
Push
the part
@)
against the part @ from
above.
If
the former enters
the
latter,
it
proves correct centering.
3)
If
not, make adjustment,
using
the
two
upper screws
of
~
•4
behind the arm,
so
that the
part@
enters the part
@.
Thereafter, make parallelism adjustment,
using
the lower two screws.
Fig.
45
4) Smooth insertion
of
the part @ into the part @ ensures the parailelism within the
range
as
shown
in
Fig. 44(b ).
5-2.
Using
substage rightangle/centering too! 125145 and 125143,
to
check the parallelism
between the objective attaching and stage attaching surfaces.
1) Set tool 125145 onto the objective attach·
ing
surface to
be
checked.
Place
125143 on
the stage attaching surface.
2)
Raise
the substage to
see
that the clearance
of
125145
is
smaller than
1/1
OOmm
(in X
and
Y directions).
3)
If
it
is
found over l/IOOmm, make the
sarne adjustment
as
mentioned above
in
4.3)
(P.
39), until it comes within the specified
range.
-40-
Fig.
46