Nikon Optiphot Repair Manual page 95

)
REASSEMBL Y PROCEDURE
Fig. 17
1
i
i
@8
8
R-4106.A
1. B·tube
5)
Fit left hand prisrn box
(@
to the central axle
C@D
(Apply oil
G7920
to the fit and
thrust surfaces ).
Note: Do not apply so much oil as to enter the prism box. Over-full oil should be wiped off.
6)
Insert rotation lirnit screw
~
into the groove on
CíQ!)
from the outside of
(@.
Check the full range of operation from limit to lirnit.
7) Insert washers
CW.
wave-formed washer
e@
and washer
@
into
cIQD
(Apply oil
G7920
to
@)
8) Screwing in rotation·tightness adjusting knob
e@
into
c@D,
make the torque 1.5 Kg -
2 ~. To measure the torque, use a tension
gauge in the d.irection of the arrow in Fig.
18.
- 25 -
Fig.
18