Heathkit HW-12 - Page 10

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cE
CHASSIS
WIRING
AND
SOLDERING
6.
Then
place
the
solder
and
it
will
immediately
flow over
the
ioint:
use
only
enouch golder
to
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vw
wh
WAU passes
Mw Wasa y
Vases
eS Uw
1,
All
wire
used
is
the
type
with
colored
in-
thoroughly
wet
the
junction,
It
is
is
usually
not
sulation
(hookup
wire).
eb
a
eae
ner
des
necessary
to
fill
the
entire
hole
in
the
of
hookup
wire,
1/4"'
of
insulation
shouldbe
terminal
with
solder,
|
removed
from each end
unless
directed
otherwise
in
the
assembly
step.
7.
Remove
the
solder
and
then
the
iron
from
the completed joint, Use care not to move
the leads until the solder is solidified,
2. Leads on resistors, capacitors, andsimilar
components are generally much longer than A poor or cold solder joint will usually look
need be to make the required connections. crystalline and have a grainy texture, or the
In these cases, the leads should be cut to solder will stand up in a blob and will not have
proper
length
before
the
part
is
installed,
adhered
to
the
joint.
Such
joints
should
be
a
In general, the leads should be just long heated until the solder flows smoothly, In
enough
to
reach
their
terminating
points,
some
cases,
it
may
be
necessary
to
add
aj
little
more
solder
to
achieve
a
smooth,
bright
}
3,
Crimp
or
bend
the
wire
around
theterminal
appearance.
just enough to hold it in place until it is
soldered,
Do
not
knot
or
twist
the
wire
[Rosi
CORE
SOLDER
HAS
BEEN
SUPPLIED]
|
=e
ane
Aa
EEE
RIIPDCInD
around,
teste.
WITH
THIS
KIT.
THIS
TYPE
OF
SOLDER
,
Pe
.
Me
-
MUST
BE
USED
FOR
ALL
SOLDERING
IN
4,
Position
the
work,
if
possible,
so
that
gravity
THIS
KIT.
ALL
GUARANTEES
ARE
VOIDED
will
help
to
keep
the
solder
where
you
want
AND
WE
WILL
NOT
REPAIR
OR
SERVICE
it, EQUIPMENT IN WHICH ACID CORE SOLDER
OR PASTE FLUXES HAVE BEEN USED... IF
5.
Place
a
fiat
side
of
the
soidering
iron
tip
ADDITIONAL
SOLDER
IS
NEEDED,
BE
SURE
against the joint to be soldered until it is TO PURCHASE ROSIN CORE (60:40 or 50:50
heated
sufficiently
to
melt
the
solder,
TIN-LEAD
CONTENT)
RADIO
TYPE
SOLDER.