Safety Notices
I DANGER,
I
DANGER:
I DANGER:
I DANGER:
I DANGER,
All power unit removal and
replacement procedures must be
performed with power turned off and
with
the
power cord disconnected.
All
persons handling a CRT
or
who
are near an exposed
CRT under
vacuum must wear safety glasses and
long-sleeved garments.
High
voltage can be present when
Indicator 2
is
off.
Safety glasses must be worn when you
are working on
the
machine with
power on
or
off.
Voltages are present
in
the
heat sinks
on
the
analog card when
the
power
is
on. Also, be careful when removing
this card because
the
heat sinks will
be
hot
(at high temperatures).
I
DANGER: Ferrocapacitor
01D/Cl
is
grounded
only when
the
capacitor
is
retained by
its mounting spring.
The machine frame
is
grounded only
when
the
prime power assembly
010/
A 1
is
mounted and fastened
in
place.
The ferrotransformer assembly
01D/T1
is
grounded only when it
is
mounted
and fastened
in
place.
Caution: The
CRT weighs
about
7.25
kg
(16 pounds).
Protect and support
the
CRT when removing and
replacing it
to
prevent damage
to
the
CRT and
other
units.
Caution: The 3278 must be off before cards and
cables are reseated
or
swapped.
Be
careful
not
to
loosen cards or cables when working on
the
3278.
This could cause intermittent failures then
or
at
a
later time.
Caution: The indicator above
the
ON/OFF switch
is
not
a primary Power On indicator. Machine voltage
may
be
present when this indicator
is
off.
Caution: Do not connect or disconnect
the
device
cables during an electrical storm.
viii
SY27·2510-6
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