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ASAHI PENTAX 6x7 Service Manual page 109

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Super-Takumar
6x7
1:2.4
f=105 mm
Prod.
No.
46000
1
SPECIFICATIONS
Mount
type
Inside bayonet with lock pin.
Diaphragm
Full automatic
Dia.
closing force
Max. 100g
(at actuator pin)
Actuator
pin escaping force
Max.
350g
(The force
required to push down the pin full stroke
at full opening)
Closing down time lag
Max.
60 msec.
2
ASSEMBLING
For assembling, refer to Fig.9.
Parts are classified into as follows:
1
Optical parts
2
Diaphragm
blade unit
3
Rings
4
Helicoid
Parts
which require gluing
are identified by '*'' mark.
A
HELICOID
Helicoid must
be assembled
as follows:
Refer
to Fig. 1 and Fig. 2.
In Fig.l,
when the shown measurements
are read,
(00017) must
stop at the position
shown.in Fig. 2.
Fig. 1 shows
approximate
"eo
" position of (00017).
00017
'
VIEW FROM "A"
Pig.1
Pig.2
3
ADJUSTMENT
Following adjustments are required.
A
F22, F16
Adjustment
Intermediate lever(00052)must be retained so that the proper diame-
ter of diaphragm
openings at F22 and F16 are obtained.
The pin po-
sitions
against Cam(00053)at F22 and F16 are shown in Fig. 4.

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