18
EXA II Repair Manual.
Basic Remarks:
The camera under repair is placed with the lens mount 300.21 U 6 to the front, i.e. in the photograph
taking direction.
Right: Side with wind-lever 370.01 U11.
Left: Side with time-setting ring 370.01-67.
All screws and nuts have right-hand threads. Never use force! All screws secured with lacquer are to
be so secured on assembly.
A. Disassembly of camera.
1. Take off the back cover 370.10.
a) Remove the take-up spool 370.09.
2. Remove the top-plate 750-001.00.
a) Set the time-setting ring 370.01-67 to ½ sec.
b) Remove screw 370.01-81, frame-counter disc 370.01 U4, and frame-counter knob 370.01-
70 (press against the end of the frame-counter shaft with two flats [Zweikant]).
c) Remove circlip 4 DIN 6799, shim 370.01-79 (as many as present), and the three fixing
screws M1.4 x 4 DIN 63 for the wind-lever 370.01 U11. Withdraw the wind-lever (Note the
position of the wind-lever relative to the pawl carrier 370.01 U8).
d) Remove the spool-retaining spring 300.15 U 12 from the rewind bush 370.01-21, and
unscrew the sleeve[centre screw] (pay attention to compression spring 370.01-90, shim
370.01-87/2 and spacer 370.01-69). Pull out the rewind spindle 370.01 U14. [NB. It’s not
necessary to take out the screw on top holding the film reminder]
e) Remove the circlip 370.04-48 for the time-setting disc 370.01-67, remove shim 370.01-87/1,
loosen [it is a snug fit] and remove the time-setting disc from the two flats of bush 370.04
U8 (press against the end [Zweikant] in order that the gear mesh is not changed).
f) Remove the 2 fixing screws M1.4x3 U91 from the top cover.
g) Lift off the top cover and remove rewind button 370.01 U10 with spring 370.01-89.
h) Refit the wind-lever with 3 screws, shim, and circlip.
i) Mark the mesh of the time-setting wheel (gear-wheel on sleeve 370.04 U8) to the gear on the
mechanism and refit the time-setting disc.
3. Removal of mechanism 370.03.
a) Remove the 2 screws M1.7x8 DIN 84 in each film chamber.
b) Lift out the mechanism from the body-shell 370.08.
B. Assembly of camera.
1. Insertion of mechanism 370.03.
As under Disassembly of Camera A3 but in reverse order, engaging with the pinion on the
sprocket-spindle 370.01-35. Check for correct functioning (including flash contact).