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Camera body 503CW
Adjustment
October 1996
Revision 0
5:3
Adjustment No. 1 (Overtravel)
With the film winding mechanism tensioned, check the
angle 15-16
o
with the bayonet plate tool 904644 pushed
hard against the stop arm (13355). Measure the angle
with a spring tension of 300 gm/cm. Adjust by altering
the position of the bearing bracket (13171). When the
correct angle is achieved tighten the screws. Check that
meshing between intermediate gear (13167) and the
front drive gear is as close as possible without binding.
Fig. 33.
Adjustment No. 2 (Cocked position)
With the winding mechanism in the "free" position,
(no tension on the winding crank) adjust for an angle
of 8-9
o
by loosening the screws holding the adjustable
pawl (13170), and move it until the correct angle is
obtained. This measurement should also be carried out
at 300 gm/cm. When the adjustment is complete
tighten the screws.
Recheck adjustment No. 1 and secure the spring
(816507) with safety lacquer.
Fig. 34
Possible wear in the front gear (30383) can be checked
by increasing the spring pressure of the inspection tool
to 1400 gm/cm. The angle value should not fall below
3
o
. If it does the front gear (30383) should be replaced.
Inspection of the release sequence (angular value):
Free the mechanism by holding the release button
depressed (B-position). The indicator should read
between 268-273
o
at 300 gm/cm.
Let the mechanism turn to fully released position. The
angle should be 311
o
, tolerance: 306.5-321
o
.
Inspect the pre-released position, this should be 118
o
with a tolerance 113-122
o
. If any of the measurements
are incorrect the possible cause will be in the bevel gear
or the stop gear (13509).
Remove tool 902658( V-2075).
Fig. 33
Fig. 34
904644
13167
13171
13355
816507
V-2206
V-2206
13170