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Wang 5536 - Removal and Replacement

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•
•
I
3402
5.2.2
REMOVAL
AND
REPLACEMENT
This
section
contains
removal and
replacement
procedures
for
several
major
workstation
assemblies.
Before
removing a
particular
assembly,
ensure
that
the
power
switch
is
OFF
and
the
AC
power
cord
is
unplugged.
Remove
the
workstation
cover
as
described
in
section
5.2.2.1.
Refer
to
Chapter
7
(Illustrated
Parts
Breakdown)
for
identification
information.
WARNING
CRT
DISCHARGE
PROCEDURE
Before
performing
any
of
the
procedures
in
this
section,
discharge
the
CRT
anode.
Even
with
power
removed,
the
workstation
cathode
ray
tube
can
hold
a
charge
of
several
thousand
vol
ts.
To
ei
iminate
the
risk
of
accidental
CRT
discharge,
which can
result
in
serious
injury,
discharge
the
CRT
anode
as
follows:
o
Attach
one end
of
a
length
of
insulated
wire
to
the
metal
shaft
of
a
plastic-handled,
he.":•y-
duty
screwdriver.
0
At
ta
ch
the
other
end
of
the
wire
to
CHASS
IS
GROUND.
o Using a
non-conductive
tool
such
as
a
plastic
alignment
tool,
carefully
raise
the
edge
of
the
rubber
anode
cap
high
enough
to
insert
the
screwdriver.
0
Taking
care
not
to
touch
the
metal
shaft
of
the
screwdriver
or
any
metal
part
of
the
workstation,
discharge
the
CRT
anode by
touching
the
anode
clip
with
the
grounded
screwdriver.
o
After
discharging
the
CRT,
remove
the
grounding
wire
and
reseat
the
rubber
anode
cap.
5-5

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