Nikon Optiphot - Reassembly Procedures; Coaxial Focus Knob Unit Reassembly

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R-4104.A
REASSEMBL Y PROCEDURE
1. Coaxial Coarse and Fine Focus Knob Unit
REASSEMBLY PROCEDURE
1. Coaxial Coarse and Fine Focus Knob Unit
1) Beforehand, clean@, e@) , @, @ - @, @. @ usmg tridane.
2) Applying No. 616 to the thread of pinion shaft@, screw it into spur gear@.
3) Apply G7920 to @ at the position indicated in Fig. 16, and insert the subassembly
consisting
of@ and @ into pinion case @. Furthermore, attach pinion thrust
receptacle
e@ to @. [n this case, make sure of smooth rotation of @ and
@.
4) Clean the thread of pinion case @, using gasoline.
After drying, apply
No. 350, and screw in coarse focus beanng @.(Fig. 36).
616
) Lubricant
(G7920)
--------'""--'-~~
1
~
Fig. 36
5) Insert the above subassembly into the arm. (Fig. 37).
6) Inserting
rack (V from undemeath the arm, attach it to the bali race by means of PM
screw @ and CM screw @>.(Fig. 38). After attaching, fi.x pinion case @ to the
arm by means of screws ~ xJ. (Fig. 37).
~ote: e@ might be scratched or deformed by the use of a wrench, when detached, in this
case, replace it.
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