Heathkit HD-1250 - Page 23

3. Mount
the socket
from the
outside
at
hole G
in the rear apron
of
the
chassis.
4. Place
the
other
shoulder
washer onto
the socket as
shown. Then
place the
flat
washer and
the solder
lug
(previously removed)
on
the
socket.
5.
Place
the nut back
onto the coil
socket. Make sure
the shoulders of
the
plastic
washers are
centered in the
chassis hole; then
tighten the
nut
finger tight.
6.
Position the solder
lug
as
shown in the
Pictorial; then tightly
secure
the nut
onto the
socket. NOTE: If
you have
a
nutdriver, use it to
perrorm xms step.
7.
Refer
to
the
inset drawing
on Detail 3-1
B
and bend the solder lug
outward at
a
45-degree
angle
to
the rear apron.
NOTE:
When you
are instructed to
prepare
wires,
as
in the
following step, cut
each
wire to the
indicated
length and
remove
1/4"
of insulation from each
wire
end.
Tightly twist each
wire end
and apply a small
amount of
solder
to
hold the
small
strands
together.
(
)
Prepare the
following wires:
2-1/2"
green
2-1/2"
yellow
2-1/2"
orange
In
the
following
steps,
(NS)
means not
to
solder because
other
wires
will be
added
later.
"S-"
with
a
number, such as (S-3),
means
to
solder the
connection.
The
number following "S"
tells how many
wires should be
at
the connection.
Refer to
Detail 3-1C
for the
following steps.
( )
Connect a
2-1/2"
green wire
to
phone jack
lug
3 (S-1).
Page 21
(
>
Connect a
2-1/2"
yellow
wire
to
phone jack lug 2 (S-1).
(
)
Connect a
2-1/2"
orange wire to
phone
jack lug
1
(S-1
).
NOTE:
Use
care when you
install the
phone jack in the
following step.
It is
important that you do
not
bend any of the
lugs or
contacts; this might
cause the
Dip Meter to be
inoperative.
(
)
Mount the
phone jack at
chassis hole H.
Position the lugs as
shown in the
Pictorial. Be sure that
none of the
lugs are
shorted
to
the chassis.
Secure
the jack with a
control nut.
(
)
Check
the phone jack
for screw
clearance. Turn a
6-32
x
3/8"
screw
all the
way
through
spring nut C and make
sure the screw
does not touch
the
jack. If
necessary, loosen the
control nut and rotate the jack
slightly.
Then
retighten
the
nut.
(
)
Remove the screw
from spring nut
C.
6-32 x
3/8" SCREW
PICTORIAL
3-1