Lenovo T42/T42P Manual Do Utilizador

Página de 260
v
   
After
 
service,
 
reinstall
 
all
 
safety
 
shields,
 
guards,
 
labels,
 
and
 
ground
 
wires.
 
Replace
 
any
 
safety
 
device
 
that
 
is
 
worn
 
or
 
defective.
 
v
   
Reinstall
 
all
 
covers
 
correctly
 
before
 
returning
 
the
 
machine
 
to
 
the
 
customer.
 
v
   
Fan
 
louvers
 
on
 
the
 
machine
 
help
 
to
 
prevent
 
overheating
 
of
 
internal
 
components.
 
Do
 
not
 
obstruct
 
fan
 
louvers
 
or
 
cover
 
them
 
with
 
labels
 
or
 
stickers.
 
 
WARNING
 
Handling
 
the
 
cord
 
on
 
this
 
product
 
or
 
cords
 
associated
 
with
 
accessories
 
sold
 
with
 
this
 
product
 
will
 
expose
 
you
 
to
 
lead,
 
a
 
chemical
 
known
 
to
 
the
 
State
 
of
 
California
 
to
 
cause
 
cancer,
 
and
 
birth
 
defects
 
or
 
other
 
reproductive
 
harm.
 
Wash
 
hands
 
after
 
handling.
Electrical
 
safety
 
Observe
 
the
 
following
 
rules
 
when
 
working
 
on
 
electrical
 
equipment.
 
 
 
Important
 
Use
 
only
 
approved
 
tools
 
and
 
test
 
equipment.
 
Some
 
hand
 
tools
 
have
 
handles
 
covered
 
with
 
a
 
soft
 
material
 
that
 
does
 
not
 
insulate
 
you
 
when
 
working
 
with
 
live
 
electrical
 
currents.
 
Many
 
customers
 
have,
 
near
 
their
 
equipment,
 
rubber
 
floor
 
mats
 
that
 
contain
 
small
 
conductive
 
fibers
 
to
 
decrease
 
electrostatic
 
discharges.
 
Do
 
not
 
use
 
this
 
type
 
of
 
mat
 
to
 
protect
 
yourself
 
from
 
electrical
 
shock.
 
v
   
Find
 
the
 
room
 
emergency
 
power-off
 
(EPO)
 
switch,
 
disconnecting
 
switch,
 
or
 
electrical
 
outlet.
 
If
 
an
 
electrical
 
accident
 
occurs,
 
you
 
can
 
then
 
operate
 
the
 
switch
 
or
 
unplug
 
the
 
power
 
cord
 
quickly.
 
v
   
Do
 
not
 
work
 
alone
 
under
 
hazardous
 
conditions
 
or
 
near
 
equipment
 
that
 
has
 
hazardous
 
voltages.
 
v
   
Disconnect
 
all
 
power
 
before:
 
   
Performing
 
a
 
mechanical
 
inspection
 
   
Working
 
near
 
power
 
supplies
 
   
Removing
 
or
 
installing
 
main
 
units
v
   
Before
 
you
 
start
 
to
 
work
 
on
 
the
 
machine,
 
unplug
 
the
 
power
 
cord.
 
If
 
you
 
cannot
 
unplug
 
it,
 
ask
 
the
 
customer
 
to
 
power-off
 
the
 
wall
 
box
 
that
 
supplies
 
power
 
to
 
the
 
machine,
 
and
 
to
 
lock
 
the
 
wall
 
box
 
in
 
the
 
off
 
position.
 
v
   
If
 
you
 
need
 
to
 
work
 
on
 
a
 
machine
 
that
 
has
 
exposed
 
electrical
 
circuits,
 
observe
 
the
 
following
 
precautions:
 
Safety
 
information
 
Introduction
 
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