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TABLE
OF CONTENTS
Title
Page
Section I .
Introduction
. . , . .
I
Section
II
. Princip'es of
Operation.
2
The
Film
P(lCk
, . , 2
-
The Spread System . . .
3
The Focusing System . . 4
-
-
Lenses,
. . . . . . . . 4
RangefioderslViewfinders
5
Image
Sizer . . . . .
5
Potaroid Rangefinder/Viewfinder
6
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Zeiss
Ikon Rangefinder/Viewfinder
7
Timers • • , . . ,
8
Mechanical T
im.r.
, . ,
8
Electronic Timer . . • .
9
Flashgun . . . . . . . .
10
Section
III
" Camera Checkout
13
Vjsual Inspection . . . . . . • .
13
Checking Shutter Battery Voltage • 15
-
Checking
the
Shutter
Interlock . . ,
15
Checking
the
Shutter
Release
Burton.
15
-
Measuring Timer Acturacy , • , . . , . •
15
Measuring Timer Battery Voltage and Current Drain 16
Tjmer Switch Continuity
Check,
• . . . . , , . . . . ,
16
Checking
the
Lens and Rangefinder/Viewfinder (Collimation) 16
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Rangefinder/Viewfinder Parallax Check.
18
Image Sfzer Parallax
Check,
. . 19
Bellows Light
leak
Test . . . .
19
Flashgun Testing ,
..
,
•..
19
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Section
IV
- Troubleshooting ChartS 21
Problems Evidenced in Pictures
21
Electronic
Timers,
. , "
25
Mechanical Timers
27
Spread
System
. . . , .
29
Rangefinder/Viewfinders .
31
Miscellaneous . , . . .
33
Model
268
Flashgun.
. .
35
Section V . Repairs and
Adjustments.
. , , . . . , ,
,.
.,.
37
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Conversion
of
Pack Cameras with Serial Numbers starting with
"AA"
37
Serial
Number
Transfer. . , . . . .
38
Rear
Door
{Back
Cover) Replacement
38
Exit
Door
Replacement , . . ,
38
Slide Block
Replacement.
. . ,
39
Spread Roll Spring Replacement
40
Shutter
Housing Replacement
42
Bellows.
Replacement . . . • 44
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Front
Lens
Reptacement,
. . .
46
Rear
lens
Replacement . . . .
48
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Lens Bezel Replacement . . . .
50
Flash Filter
and
Cell
Wedge
Replacement.
50