Heathkit HW-12 - Mobile Installation; Cabinet Mounting

Page
44
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MOBILE INSTALLATION
Determine
whether
the
Transceiver
is
to
be
mounted
under
the
dash
or
on the
floor
of
the
automobile,
See
Figures
4A
and
4B.
If
under-
the-dash
mounting
is
pr
referred,
there
are
two
holes
near
the.
center
on
each
side
of
the
cabi-
net
which
can
be
used
for
mounting,
For
floor
mounting,
the
holes
at
the
rear
on
each
side
of
the
cabinet
can
be
used.
Choose
the
holes
that
Wit
Uadwante
vad
vou
ue
WanVJOSS
Mit
1S
will
provide
best
balance
for
your
installa-
tion,
ch Mount the gimbal bracket hardware in the
Y
cabinet
holes
decided
upon,
Use
10-32
x
5/8" screws, #10 lockwashers, 10- 32
shoulder
spacers,
and
10-32
thumbnuts.
See Pictorial 20.
Figure 4A
BS
mA
Figure 4B
(,)j
Referring
to
Detail
20A,
install
four
small
J
rubber
feet
into
the
gimbal
bracket,
This
is
easily
done
by
looping
a
length
of
bare
wire
around
the
groove
of
the
rubber
foot
and
passing
the
wire
through
the
hole
in
the
gimbal
bracket,
Pull
on
the
wire
until
the
rubber
foot
is
properly
seated
in
the
hole,
CRYSTAL CALIBRATOR MOUNTING
Refer
to
Pictorial
21
for
the
following
steps.
If
the
Heath
HRA-10-1
Crystal
Calibrator
is
to
be used with the Transceiver, perform the
pou
wane
segs
see
mounting
the
Trans-
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,
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a
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r
2
( )
Referring
to
Detail
21A
remove
screws
A
and
B
from
the
Calibrator,
) Mount the angle brackets to the Calibrator
at A and B, using #6 fiber flat washers,
#6 fiber shoulder washers, #6 lockwashers,
and 6-32 x 1/2" screws, Be sure the fiber
shoulder washers are centered properly in
the larger holes of the angle brackets.
(_) Plug the Calibrator into the Calibrator socket
of the Transceiver.
CABINET MOUNTING
Refer to Pictorial 21 for the following steps, |
( ) Slide the Transceiver chassis into the
cabinet.
If
the
crystal
calibrator
is
used,
be
careful
not
to
damage
it
when
sliding
the Transceiver into the cabinet.
( )
Secure
the
chassis
in
the
cabinet,
using
six
#6
x
1/4”
sheet
metal
screws,
four
in
the
back and two in the bottom,
(
)
If
the
Heath
Crystal
Calibrator
is
used,
fasten it to the rear of the cabinet with two
#6 x 1/4" sheet metal screws.