Heathkit HW-9 - Page 55

Page 55
Heathkit
Refer
to
Pictorial
3-3
for the
following
steps.
{
)
Position
the
subchassis
as
shown
in
the
Picto-
rial
(note
that
the
edge
on
the
subchassis
faces
upward).
NOTE:
Only
the
screw
size is
called
out
in
the
fol-
lowing
steps.
When
a
step
calls
for
"6-32
x
1/2"
hardware,"
for
example,
it
means
you
should
use
a
6-32
x
1/2"
screw,
one
or
more #6
lockwashers,
and a
6-32 nut.
The
Pictorial
or
Detail
referred
to
in
the
step
shows
the
proper
number
and
use
of
the
lockwashers.
(
)
Use
6-32 x
1/2"
hardware
to
mount a
1/8"
spacer
to
the
subchassis
at
CA
as
shown.
Only
tighten
the
hardware
finger
tight
at this
time.
(
)
Similarly,
mount
1/8"
spacers
to
the
subchassis
(
)
at
CB, CC,
CD,
and
CE.
Tighten
the
hardware
finger
tight.
Refer to
Detail
3-3A
and
temporarily
position
the
T/R
circuit
board
onto
the
subchassis
hard-
ware.
Hold
the
circuit
board
in
place
while
you
tighten
the
hardware
at
CA,
CB,
CC,
CD,
and
CE.
Then
remove
the
circuit
board
and
set it
aside.
NOTE:
If
you
could
not
tighten
the
hardware
at
one
or
more
of
the
locations,
tighten
the
corresponding
nut
after
you
re-
move
the
circuit
board.
Detail
3-3A