Heathkit HD-1250 Manual 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