SCHILLER
AT-I 3-CitMnei
ECG
Unit
SERVICE
HANDBOOK
issue
3
Seprember
I999
Chapter
4
Module Removal
and
Replacement
Battery
Pack
The battery pack
is
held
in
position
with
double sided
tape.
Prerequisite
The
Warnings
and Cautions
at
the begmmng
of
the Chapter must
be
observed.
The Top i\ssembiy must be removed and
all
external cable assemblies disconnected.
Parts
The
part
numbers
of
all
replaceable items
are
given
in
Chapter
6.
Battery Pack Removal
I
WARNING
THE
MAINS
SUPPLY
MUST
BE
DISCONNECTED
DURING
THlS
PROCEDURE
To remove the Battery Pack proceed
as
follows:
1.
Ensure that the
unit
is
switched
off
and that the
mains
is
disconnected.
2.
Disconnect the
two
bayonet connectors and remove the Battery Pack by gently
pulling
away
from
the
base.
Battery Pack Replacement
1.
Position
the Battery
Pack
with
the connectors towards the inside
of
the
unit.
2.
Remove the double-sided tape protective sheet and secure
the
Battery Pack to the base.
3.
Connect bayonet connectors.
Checks
and
Tests
After Battery Repiacement
Program
all
static settings which
will
have been
lost
when the battery was disconnected.
Page
4.13
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