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3402
5.2.2.8
Keycap
and
Switch
Removal:
o
Using
the
keycap
removal
tool
(P/N
726-9545),
remove
the
keycap
from
the
switch
being
replaced
and
as
many
adjacent
keycaps
as
requir1!d
to
provide
adaquate
work
space.
o
Unsolder
the
four
terminals
of
the
keyswitch
from
the
underside
of
the
keyboard.
o
Insert
the
switch
extractor
tool
(P/N
726-9608).
Grip
the
switch
extractor
and
pull
straight
up,
removing
the
switch
from
the
keyboard.
Replacement:
o
Insert
the
new
keyswitch.
Take
care
to
orient
the
switch
properly
and
observe
the
solder
terminals
are
through
the
printed
circuit
board
prior
to
snapping
in
place.
o
Solder
the
new
switch
in
place.
o
Replace
the
keycap(s).
When
the
work
has
been
completed,
per
form
a
visual
check
to
ensure
that
the
keycaps
have
been
installed
on
the
correct
switches.
Test
the
new
switch
to
be
certain
that
it
functions
properly.
5-16
•
•
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