Heathkit HW-9 - Page 52

Page
52
Heathkif
2-56
NUT
LOCK
WASHER
U _ .
-
x
^ •
#
*
^-OUTSIDE OF
2-56
NUT
•
CHASSIS
2-56
x
1/4
SCREW
Detail
3-2A
(
)
Refer
to
Detail
3-2A
and
turn a
2-56 nut
all
the
way
onto a
2-56 x
1/4"
screw.
Then
use
a
#3
lockwasher
and
another
2-56
nut
to
mount
the
screw
onto
the
front
of
the
main
chassis
at
FA.
NOTE:
This
screw
will
be
used
as a
dial stop
when
the
dial
is
installed.
starter
to
hold
and
6-32 nuts
on
screws.
(
)
and
flat
head
screw
onto
the
front of
the
main
chas-
sis
at
FB.
Use
a
#4
lockwasher
and a
4-40 nut.
Only
tighten
the
nut
finger
tight
at
this
time.
Refer to
Pictorial
3-2
(Illustration
Booklet, Page
20)
for the
following
steps.
(
)
Position the
main
chassis
as
shown in the Pic-
torial.
(
)
Refer to the
inset drawing
on the
Pictorial and
press
chassis nuts
into both of the
square holes
in
either side
of the main
chassis.
( )
Similarly,
press
chassis nuts
into both
of the
square holes
in the
other side
of the main
chas-
(
)
(
)
Similarly,
mount
4-40
x
3/8"
flat
head
screws
on
the
front
of
the
main
chassis at
FC,
FD,
and
FE.
Refer
to
Detail
3-2B
and
position
the
VFO
as-
sembly
(assembled
earlier)
onto
the
four
screws
at
FB, FC,
FD,
and
FE.
Hold
the
assem-
bly
in
place
while
you
tighten
the
four
screws.
Then
use
four
#4
lockwashers
and
four
4-40
nuts to secure
the
VFO
assembly
in
place.
sis.
LOCKWASHER
p^^^
\
4-40
NUT
4-40
x
3/8*
FLAT
HEAD
SCREW
Detail
3-2B