RCA 100 - Page 4

3.
Remove the
nuts F,
Figure
10, from
the upper supporting
screws "H".
A
small open
end wrench
will
be
necessary
for
this operation as it is
necessary to remove
these
nuts
by inserting
the
wrench
between
the cone
and
the frame.
4.
Unscrew
the lower
supporting
screw
G, Figure 9, and
remove the
strap "N".
5.
Remove the
unit
by pulling
out.
Do not
strain
the
cone
or the connecting
rod
when
removing
the
unit.
Make certain
that
the
connecting
rod
slides
out freely
as the
unit is removed.
6. Remove
the two
screws "H",
Figure
10,
holding
the
motor
in place. These
screws
thread
into
the spacer
bushings
"E".
7. Place
a piece
of iron on
the
ends of
the
horseshoe magnet
and slide the motor
off.
The piece
of
iron takes
the place
of
the
motor
and acts as a keeper on the magnet.
8.
Remove the
screw
holding
the thrust
lever to the
motor
frame "D", Figure
2.
9.
Unsolder
the
thrust lever
from the
stylus and remove
Point "E",
Figure
1.
10.
Remove
the two
armature
screws "C",
Figures
4
and 5.
11. Dissemble
the motor
by
removing
the
two
countersunk screws.
One of these
screws
"K"
is
shown in Figure
2. The
coils
are then accessible,
but
the
armature
is still
in
position in
the center of
the coils.
Figure
11.
Fig. 3-Spacer
tools
.091.
.010
0.125«
{-
Fig.
3a-Spacer tool
dimensions
Freeing
the
armature
6
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