ASAHI PENTAX S3, Руководство по обслуживанию

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DEFECTS CAUSES SERVICING
Film counter dial does
not move.
1. The gap between the extreme point of
the counter advance lug (C06) and the
tooth of the transport gear (C28) is wider
than the specified 1/3 pitch.
2. Damaged (C06).
1. Adjust the engaging position of (C28).
(Refer to Chapter II, 3.)
2. (0C07) is to be replaced.
Film counter dial
indicator jumps 2
notches with single
cocking:
This happens especially when the wind-up
lever is returned too rapidly.
1. The gap between the extreme point of
the counter advance lug (C06) and the
tooth of the transport gear (C28) is wider
than the specified 1/3
pitch.
2. The tension of the retainer lug spring
(C09) is weak.
1. Adjust the engaging position of (C28).
(Refer to Chapter 11, 3.)
2. Bend inward (C09) to strengthen its
tension.
Under-exposure at the
latter part of the picture
format at high shutter
speed.
The travel speed of the 1st curtain is slow.
1. Dust or oil collected on the surface of
the contact of the top idling gear (C17)
with the spill receptacle plate (E09),
and of (E17) with the idling gear collar
(E19).
2. Lack of lubrication on the curtain roller
bearing (E37).
3. Dust or lack of oil between the high-
speed cam (E85), cam shaft nut (E76) and
cam shaft (E69).
1. Wash the parts involved.
2. Lubricate with L-4, or replace (E37)
with a new (E37) plastic roller bearing.
3. Disassemble the parts and apply L-l
slightly.
NOTE
:
In case the curtain speed is still found slow
after servicing as described in the foregoing
1, 2 and 3, strengthen the tension of the
curtain spring.
Over-exposure at the
latter part of the picture
format at high shutter
speed.
The travel speed of the 2nd curtain is slow.
Lack of lubrication on the pinion shaft
(E32), coupler gear (E18) and curtain
roller (E34).
Apply L-l.
NOTE : In case the curtain speed is still
found slow after oiling with L-l, strength-en
the tension of the curtain spring.
Shutter curtains travel
without slit
1. When the shutter is wound, the 1
st
curtain checker arm (E07) does not slip
behind the stud of the top selector gear
(E15).
2. The 1st curtain checker arm (E07) does
not function be-cause of the damaged 1st
curtain checker arm spring (E61).
1. Adjust properly either the stopper
(C11) or the lever stopper (E10)
(Refer to Chapter II, 1 d.)
2. Replace (E61).
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