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Heathkit AR-14 - INSTALLING TRANSISTORS

Heathkit AR-14
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2
Page
28
6-32x5
/
16"'
SETSCREW
Ill:::)
E
WASHER
0
NOT
ERE.
Detail
20A
Refer
to
Detail
20A
for
the
following
steps.
( )
Locate
the
long
shaft,
flywheel,
and
two E
washers.
( )
Install
the
end
of
the
long
shaft
(the
end
with
the
flat
side)
through
hole
AZ
and
bushing
H.
Apply a
small
amount
of
silicone
grease
around
the
part
of
the
shaft
that
rotates
inside
of
bushing
H
and
hole
AZ.
( )
Position
the
long
shaft
so
one of
the
closely
spaced
grooves
is
on
each
side
of
the
bracket.
Then
install
an
E
washer
in
each
groove.
APPLY
~fff=MiffH@J
( )
Start
two
6-32
x
5/16"
setscrews
in
the
small
holes
in
the
flywheel.
( )
Install
the
flywheel
onto
the
shaft
with
the
side
that
has
the
setscrews
as
shown.
Po-
sition
the
flywheel
flush
with
the
end
of
the
shaft
and
tighten
both
setscrews.
( ) If
the
shaft
does
not
turn
easily
inside
bush-
ing
H,
loosen
the
bushing
nut
slightly.
Then
move
the
bushing
slightly
while
turning
the
shaft,
until
a
spot
is
found
where
the
shaft
turns
easily.
Then
tighten
the
nut
again.
DIAL
STRINGING
Refer
to
Pictorial
20
for
the
following
steps.
( )
Use
a
screwdriver
to
apply
a
small
amount
of
silicone
grease
to
the
shafts
of
both
pul-
leys
on
the
control
panel.
Be
careful
not to
get
silicone
grease
in
the
pulley
groove.
Ro-
tate
the
pulleys
to
work
the
grease
around
the
shafts.
( )
Locate
the
dial
cord
assembly
and
dial
cord
spring
•
. ( )
Refer
to
the
inset
drawing
on
Pictorial
20.
Bend
out
each
end
of
the
spring
to
form
a
small
hook,
then
set
the
spring
aside
tem-
porarily.
APPLY
SILICONE
GREASE
MAKE
SURE
THE
CORD
AT
ARROW
11
CROSSES
THE
CORD
AT
ARROW
8 AS
SHOWN.
PICTORIAL
20
I

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