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q) Fit the pinion for the delay-wheel 370.03-27, as shown in Fig. 8 (Repair Manual for EXA
II), fit screw and secure [lacquer?]. It is to be noted that when inserting the pinion the delay-
wheel in the basic position may not possibly be changed (if necessary turn the pinion over,
there are an odd number of teeth).
r) Check for correct functioning.
3. Shutter times checking and adjusting.
See Repair Manual for EXA II C. 4.
4. Mirror 370.51-2 replacement.
a) Take off the back, and remove the spool.
b) Lay the camera front side uppermost.
c) Remove the 4 fixing screws M 1.7 x 5 DIN 63 for the lens flange 300.21 U 6, and take off
the flange (be careful with the shims 300.21-52/1, if fitted).
d) Move the mirror base 370.54 U 1 to the height of the gap in the round hole in the outer shell.
e) Bend outwards both the retaining tabs at the front of the mirror base (left and right) for the
mirror. Slide the mirror out.
f) Insert the new mirror and bend the retaining tabs back inwards.
g) Replace the lens mount (paying attention to any shims fitted).
h) Check/adjust the lens mount to film path distance.
See Repair Manual for EXA II B. 3.
i) Check/adjust the mirror position.
As under Assembly of Camera B. 4.
5. Transport fails.
See Repair Manual for EXA I C. 6.
6. Frame-counter adjusting.
See Repair Manual for EXA IIa C. 6.
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