Polaroid MP-4 Assembly And Use page 17

à
Slowly release
the arm (C). Its
movement
should
depress
the plunger and
cause the
shutter to
open
fulÌy.
-\
Insertion of
a
film
holder
will
cause
the
arm
(C)
to
be
pushed out
again.
This
should
cause
the
tension
in
the
cable release
to
be
relaxed
sufflciently for the shutter to
close
fully.
{^
If
the
shutter
blades do
not
open
fully
when
the arm
(C)
is relaxed, or
do
not
close
fully
when
that
arm is
pulled out, then you
should
adjust
the plunger
end
(D)
of
the
release in
one
direction or the other,
until the
shutter
functions
as
required.
-\
3.
Attach
the ground glass:
First,
remove
the
U-shaped
adapter
(shown
on page
26)
from the camera
head.
Hold the frame
in
the
right
hand,
with
the
small
protrusions (E) pointing to the right.
Slide
the ground glass
frame
into
the
cam-
era head
from the right. Slide
it
in all
the
way,
so
that the two retainer pins
on the
ground glass frame engage securely
in
the
two spring
loops
on
the
camera head.
17