Heathkit HP-23A - Final Assembly

_
Sass
Detail 44
FINAL WIRING
Refer to Pictorial 4 for the following steps,
() Install the DPDT toggle switch at N as
shown in Detail 4A, Use the hardware
supplied with the switch, and position the
nut on the bushing as shown,
CAUTION: Before installing the circuit breaker
in the following step, make sure the circuit
breaker
body
clears
the
adjacent
wiring
of
ca~
pacitor H by at least 1/8",
(_) Refer to Detail 4B and install the circuit
breaker at P with the solder lugs oriented
as shown, Bend the mounting tabs as shown,
() Connect the brown lead from the power
transformer to lug 1 of switch N (S-1),
() Connect the yellow-brown lead from the
power transformer to lug 3 of switch N (NS),
(_) Install a 1" length of black sleeving on each
lead of a silicon diode, Connect the cathode
lead of this diode to lug 3 of switch N (S-2)
and the other lead to lug 4 ofterminal strip
L (8-3),
Oy sy" 2’
Bosom EDgt
OF CHASSIS a
Age
BEND TABS
TOWARD
BUTTON
Detail 48
()
Prepare
the
following
lengths
of
wire:
4" blue
5" black
1-1/2" black
1-1/2" black
(_)
Connect
a
4”
blue
wire
from
lug
5
of
capaci-
tor
G
(S-1)
to
lug
2
of
switch
N
(8-1),
()
Connect
a
5”
black
wire
from
lug
5
of
switch
N
(S-1)
to
lug
10
of
socket
B
(S-1),
()
Connect
a
1-1/2"
black
wirefrom
lug4(S-1)
to
lug
6
(NS)
of
switch
N,
() Connect a 1-1/2" black wire from lug 6 of
switch
N
(S-2)
to
lug
2
of
circuit
breaker
P
(8-1).
()
Melt
a
small
amount
of
solder
onto
each
of
the
bared
ends
of
the
line
cord
to
hold
the
wire
strands
together,
Then
insert
the
end
of
the
cord
through
grommet
C
and
tie
a
knot
6"
from
the
end,
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