Heathkit SB-401 Assembly Manual page 22

Ssb transmitter
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Detail 3-1 L
CUT
OF F
lUG
) Mount this tube socket at V9 with a small
#6 solder lug at S. Use 3-48 x 1 /4"
hard-
ware. Position the socket and solder lug
as shown.
) Refer to the inset draWing of Detail 3-1L,
and remove pin 9 from a 9-pin 'tube socket.
Cut off the bottom of the pin as close to the
socket as possible. The remainder
of the
pin can be pushed out easily with a pointed
instrument.
Detail 3-1 K
) Refer to Detail 3-1K, and mount
a
9-pin
tube socket
at
VB
with a large 3-lug
terminal strip at
C
and a small #6 solder
lug
at B. Use 3-48 x 1
/4"
hardware. Position
the tube socket and terminal strip as shown.
SMALL
116
11
1~"
SOL 0 E R LUG
II
3 l
OC K
WAS HER ~
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3-48
NUT
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Detail 3-1J
#6
LOCKWASHER
KEYWAY
) Mount an octal socket at V11 with 6-32 x
1/4"
hardware.
Position the keywa
y
as
shown.
(
(
( ) Refer to Detail 3-1H
,
and mount a 4.5 H
filter
choke
(#46-43). Position the choke
as shown and secure
it with 6-32
x 1/4"
hardware.
Twist the two choke leads to-
gether
and
position them as shown.
) Refer to Detail
3-1J,
and mount an octal
tube socket at
ViO
with a 5-lug terminal
strip at R. Use 6-32 x 3 /8" and 6-32 x 1
/4"
hardware.
The 6-32 x 3 /8" hardware is
used to mount the terminal strip. Position
the
'keyway
in the socket as marked by the
arrow
in
Pictorial 3-1.
Detail 3-1 H
6-32xt/4"
SCREW
BOTTOM
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NUT
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II
6 L
0
C K WAS HER
Page 18

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