Failure Of The Y Handle Function - Nikon Optiphot Repair Manual

R-4108.A
REPAIR ANO ADJUSTMENT
7. Failure of the Y (to and fro) Handle Function
8. Slack of the Handle Ammbly
7. Failure of the Y (to and fro) Handle Function
(Improper torque to tum the Y knob due
to
inferior fitting of the bush
@).
Cause:
(1)
Looseness of the nuts
@ ,
@.
(2)
The weared Delrin washer
@
or
@ ,
or the wave washer
@.
<
Repair and Adjustment
>
(!) The loosened nuts
@.
@
are to be fastened firm.
Then, check the
Y
knob
@
torque (or tltting of the bush@ ).
(2) The weared Delrin washer
@ , @
or the wave washer
@
are to be replaced with
spares.
Procedure (For the Delrin washer
@,
wave washer
@)
i) Foilow the disassembling procedure
4) -
l
O) (P. 4 ).
ü) Exchange the weared Delrin washer
@
or the wave washer
@.
ili) Foilow the reassembling procedure (P. 8).
iv) Check the torque to tum the Y knob
@
(or fitting of the bush
@).
Procedure
(For the Delrin washer
@)
i) Follow the disassembling procedure of the stage
4)- 12) (P. 4).
ü)
Exchange the weared Delrin washer
@ .
iii) Foilow the reassembling procedure (P. 8).
iv)
Check the torque to tum the Y knob @Cor t1tting of the bush
@).
8. SIKk of the Handle Assembly
Cause: Looseness of the fixing screws
@
x 2
<
Repair and Adjustment
>
Fasten firm the screws@
x
2.
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