Circuit Board And Panel Mounting - Heathkit SW-717 Assembly

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OVER
TO
TOUCH
SHAFT
END
FLUSH !VITH
FACE
OF
PULLEY
HU8
PICTORIAL
10
CIRCUIT BOARD AND PANEL MOUNTING
Refer
to
Pictorial
10
for the following
steps.
( )
Start an 8-32 x
3/1
6"
setscrew
into
the tapped
hole
in
the hub
of
the
large metal
pulley.
( )
Push
the
large
metal
pulley onto the
variable capacitor
shaft until the
end
of the shaft
is
flush with the face
of
the pulley hub.
Be
sure
the
open face
of
the pulley
is
toward the capacitor.
Then
tighten the
setscrew.
{ )
Remove
and discard the
screw
from the
caoacitor at
BT.
( )
Bend the metal tab
out
away
from
the rear section
of
the capacitor
as
shown. Cut the tab
off
and discard
it.
Also discard the mica insulator
which
was
under
the
tab.
Refer
to
Pictorial 11 (fold-out from
Page
25)
for
the
following
steps.
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I
LO
|(Q
CO\,TRC
!,iITH
S\'i
IICh
CONTROL
SOLDER
LUG
-a
o
SOLDER AND
CUT
OFF TXCESS
TENGTH
OF CONIROL
SOTDER
LUG.
THEN
RtM0Vt
NUT..--
.;-+.-.
rft i,'
'vt
Detail
11A
Refer
to
Detail 11A and mount
the
control
solder lug
on
the
10
kQ control with
switch
(#1 9-95). Align
the
control
solder
lug
with
lug
1
of the control,
and retain
it
in position
with
a
control
nut.
Form
the control
solder lug so
it
touches lug
i
of
the
control
(S-1)
as shown
in
Detail 11A. Cut
off
the
excess length
of
the control
solder lug. Then
remove
and set
the control nut
aside.
This
assemblv
will
be
used
later,
Mount the
subpanel
on
the
front
of the
chassis. Secure
it with
the
phone
jack,
a
control
lockwasher,
a
control
flat
washer, and
a
control nut
at
E
and
with the
1
megohm control,
a
control
lockwasher, a
control flat
washer, and a
control nut at A.
Tighten the
nuts
only
finger
tight.
Similarly, install
a
3-position rotary switch at
D.
Install
the 10 kQ
control
with
switch
at
B.
Use
a
control
flat
washer
and
a
control nut. Tighten the
nuts
f
inger
tight only.