Nikon Labophot - Page 98

REASSEMBL. Y PROCEDURE
2. F·tube
2-1. Depression prism unit (Refer to Fig. 5 and 6)
l) Attach lens charnber G) (with @ and @ inside, to be positioned as
to prism holder@. using washer @ and screw @ x 2.
2) lnsert tenses @ and @
(positioned as fb.±. thicker)
o~T
into prism holder ~ and nx
them with retaining ring @.
3) Place cylindrical rollers @ x4
and parallel pin 56C on the
fiducial roiler
race @)
attached to binocular body
attaching
plateeij) through
@x2 (Fig. 23). Apply oil
G7920 to @ and ~
Fig. 22
R-4106.A
2. F·tube
Up j_
~Tthicker)
Down
4) Place the lower side of roller
race (V onto cylindrical rollers
@ of the above cited fiducial
roilers
race @, and @ x 4
and @ onto the upper sur·
face of roller race @. through
@x2.
5) Apply adhesive No. 616 to the
contact
surface @ (at three
points), and attach
9 to
@ withscrews ~x2
transitorily.
~
~--
57' ~~
A
6) Make positional adjustment of
(V on the upper surface of Fig. 23
e@, so that@ operates smoothly witltout any slack in respect to roller race @i.2 of
~ Fix it with screw ~ x 2.
Operating torque of@ is to be SOg - 60g, measured with a tension gauge.
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