3
e) Remove the fixing screw M1.7 x 4 DIN 63 for the inner mechanism (in the milled area for
the lens flange).
f) Place the camera back side uppermost.
g) Remove the inner-mechanism fixing screws M1.7 x 4 DIN 85 in both cassette chambers.
h) Place the camera upright.
i) Remove drive-pinion 350.01-9 from sprocket spindle 350.01-4.
j) Set shutter speed lever 350.04 U 3 to B, and extract the inner mechanism from the outer
housing. Do not touch the mirror.
AA. Disassembly of EXA 1/63 camera.
1. Remove the back 370.20.
a) Withdraw the take-up spool 370.09.
2. Removal of top-plate 350.21 U1.
a) Remove screw 350.21-24, bush 350.17-25 for frame-counter disc, frame-counter disc
350.17 U5, and spring-washer 350.17-27. Withdraw wind knob 350.17-24, pushing against
the end of the wind bush 350.17 U4 with two flats [Zweikant].
b) Withdraw the spool-retaining spring 300.15 U 12 from the rewind bush. Unscrew the
rewind bush [remove the screw] (pay attention to compression-spring 350.21-29, shim
beneath 300.15-34, and distance piece 370.21-21), and pull out the rewind spindle 350.21-
20 with rewind-knob 350.21-19.
c) Release circlip 6 DIN 6799, remove spring-washer 370.04-45, and take off time-setting disc
350.21 U 3.
d) Remove the four top-plate fixing screws M1.4 x 3 DIN 91, and take off the top-plate.
e) Refit the time-setting disc with spring-washer and circlip (pay attention to the contact disc
350.22-13 and setting slide on time plate 350.22-U1)[i.e. make sure the pin on time setting
disc engages with the paxolin disc and the sliding plate for speed setting below].
f) Refit the wind-knob, spring-washer and frame-counter disc with sleeve and screw (pay
attention to rewind latch 350.17-19).
3. Mechanism removal.
a) Cock the shutter.
b) Place the camera front side upwards.
c) Remove the four fixing screws M1.7 x 6 DIN 63 for the lens-flange 350.09, and take off the
lens-flange (noting any shims 300.21-52/1).
d) Remove the mechanism fixing screw M1.7 x 4 DIN 63 (in the milled area for the lens
flange).
e) Place the camera with the back side upwards.
f) Remove the inner mechanism fixing screws M1.7 x 4 DIN 84 in both cassette chambers.
g) Extract the inner mechanism from the outer housing. Do not touch the mirror.
B. EXA assembly.
1. Mechanism insertion.
As under disassembly of camera A.4, but in reverse order. Check for correct functioning.
2. Close left side.
As under disassembly of camera A.3, but in reverse order. Check for correct functioning.
