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Figure 4-1 Front cover hinge studs
Figure 4-2 Comparison of spread roll brackets
(4) Close the front cover and recheck; bend
further if necessary.
(5) With the front cover open, observe for a
clearance between the latch and the 3
rd
idler
gear.
(6) Observe that the stop pin (Figure 4-3) is not
resting on the outer plate when the front cover
is closed. When resting on the outer plate, the
latch/front cover closing system will loosen
from wear in a short time. Make the following
observation :
● Open the front cover and note the location
of the front cover latch decal (arrow).
● Close the front cover & note the decal
location. The decal arrow should be closer
to the bottom cover (Figure 4-4). If not, it is
an indication of front cover looseness which
should be corrected.
Repairs / Adjsutments
1. Loose Front Covers
Some cameras have been detected with loose
front covers due to improper latching. This
problem occurs when the «knife edge» of the
front cover latch is not rmly, and/or correctly
seated in the latch retainer, thereby causing
excess «play» between the latch and retainer.
To resolve this problem, perform the following
procedures :
a. Conrm that problem is not caused by loose
screws on the spread system assembly by
closing the front cover, and, while rocking it
slightly, observing for excessive play.
b. Two vendors produce the spread system
assembly bracket (Figure 4-2). One vendor,
Ramcel, makes the bracket with a retainer aera
which is not bent. The other vendor makes the
bracket with a bent retainer aera. Most of the
loose front cover problems occur with the bent
retainer aera. Therefore, a simple solution is to
replace the front cover or a spread system sub-
assembly with one containing a Ramcel spread
roller bracket. However, before doing this, try
the repair procedure called out in paragraph c.
below. (Do not scrap the original front cover
since it is still usable on other cameras.)
c. If a Ramcel bracket front cover is not available,
use the following procedure to correct the loose
front cover.
(1) Open the front cover.
(2) Remove the gear train cover.
(3) With the la tch depressed, use needle-nose
pliers to bend the knife edge of the latch inboard
(away from the front cover) slightly less than
90°, as shown in Figure 4-3.