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ASAHI PENTAX 6x7 Service Manual page 124

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TECHNICAL
INFORMATION
Covers
Employment
of the recovery
unit may
make
it difficult to remove
or to install the Front Cover Right (0-A96-1 ) separately
Frame
No.
Control Dial
Be careful about its installing direction to ensure a proper engage-
ment
of the dial to the stopper.
De-coupling
and coupling of the mirror
housing
to the body proper
On de-coupling
or coupling, push in 2nd Curtain Actuator
(0-D72-1)
slightly when
it passes
through the narrowest
section of the body pro-
per.
At the same
time, be careful not to deform
the actuator.
Shutter
Curtain Bounce
Prevention
System
(1)
Damper Gear Adjustment
When engaging the damper gears, the setting angles of the damp-
per arms
should be greater
than that of the old type.
When
the damper
disk hits the stopper,
the curtain positions
should be:
lst Curtain
Near
the scratched
line.
Over
traveling
may
be allowable
so long as the edger
does not contact the rollers.
2nd Curtain
About 2/3 overlapping of the edgers.
Scratched line
C1
.
:
1st
2nd
Rollers
about 2/3
of edgers
Setting angles
(2)
Bounce Prevention Adjustment
On the recent type with friction springs,
Damper Disk (0-E21-
1 ) do not stop contacting the stopper after the curtain travel-
ing: a clearance of about
3 mm
will remain even at optimum
adjusting
point, because
of the backward
movement
of the
spring.
This adjustment
can be settled by screwing
in of the adjusting
nut half-way, since the adjustment
domain
is now
considerably
larger than that of the old type.
i
Yl

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