Graflex K-20 aircraft camera Service manual

www.butkus.us

K-20
Aarcrafé Camera
IS-U-174

Instructions for

Operation and Overhaul

*

The Folmer Graflex Corporation
Rochester, New York, U.S. A,

Restricted

TABLE OF CONTENTS

Section Page
1 Introduction .....-...-2.55 5

1 General Description... 5
It Detailed Description. 5
1. General... 5

2, Camera Body. 7

3. Lens and Shutter.
4, Film-Transport
Mechanism .
5. Vacuum Back .
6. Operating Handle
7. Exposure Counter
8. Recorder .
9. Viewfinder -
10, Accessories... :
4. Film-Loading ‘Guide
b. K-20 Film Spools
¢. Lens Cap...
d, Filters ..
e, Wall Bracket.
f. Carrying Case.
11, Exposure Counter,

1V_ Preparation for Use
1. General ;

2. Opening and Closing the
Camera

3. Loading the Camera...

4. Inserting the Recorder. .

5. Opening and Closing the

Viewfinder ..... uM
V Operation ARC)
1, General . is

2. Setting Lens and Shutter, .15
3. Checking the Exposure
Counter ...
4. Holding the Camera
5. Making Pictures .
+ 6. Unloading
7. Storage

+16

Section Page
VI Inspection, Maintenance and
Lubrication ...- 7
1. Inspection and

Maintenance ...-... 7

a. General. 7

6, Cleani 17

d. Removing the Shutter. .17

e. Replacing the Shutter. .19

f. Timing the Shutter... 19
2. Lubrication 20
a. General. 20
b, Shutter so... + 20
c. Camera Body 21

VII Disassembly, Inspection, Repair,
Reassembly and Final Test.22

1. Disassembly ..,.........22

2. Inspection ........-.-.-.22

3. Repair ...

4. Reassembly .
a. General <
b. Mech Assembly

(K20D-H2)
(1) Side Plate Assembly

(K20D-H3) ....25

(2) Operating Handle As-

sembly (K20C-
Hi0)isnees + 26
(3) Take-Up Spool Rat-
chet Assembly
(K20B-H6) ....27
(A) Mechanism Rear Place
Assembly

(K20G-H16) ...27
(5) Vacuum Back Assem-
bly (K20C-H22) 28
(6) Cone Assembly
(K20D-H25) 30
¢. Shutter Assembly

(K20E-Fi) ........30

5. Final Test «0.00... 33

VII Replacement Parts List a
Restricted

ou=butkus.
           manuals,
        camerac=US
  Butkuso=Butkus       -04'00'  Mike by                17:15:19          Butkus,
  signed          cn=Mikeemail=mike@butkus.org,2024.03.14
    DigitallyDN:org,Date:
Butkus
Mike