Weight
Reduction
Certain
system
configurations
may
include
a
rack
that
weighs
in
excess
of
1136
kg
(2500
lbs.)
(doors
removed)
as
shipped
from
manufacturing.
Some
elevators
have
a
weight
restriction
that
prevents
lifting
these
systems.
To
reduce
the
weight
of
affected
systems
to
less
than
1136
kg
(2500
lbs.),
service
personnel
must
remove
the
integrated
battery
features
(IBFs)
and
some
processor
subsystems
and
I/O
subsystems
installed
in
the
system
rack.
This
weight
reduction
is
only
required
for
these
systems
when
the
installation
process
requires
the
rack
to
be
reduced
temporarily
to
less
than
1136
kg
(2500
lbs.).
For
instructions
on
removing
and
replacing
the
components,
see
Chapter
4,
“Installation
and
Removal
Procedures,”
on
page
39.
Configurations
affected
by
this
weight
limitation
consist
of
systems
having
the
7040
Model
W42
frame
with:
v
Eight
or
more
processor
subsystems
v
Three
or
more
I/O
subsystems
v
Two
or
three
IBFs
Recommended
Order
for
Removing
Components
for
Weight
Reduction
The
recommended
order
for
removing
components
to
reduce
weight
is
as
follows:
1.
Remove
all
IBFs.
2.
Remove
processor
subsystems
or
I/O
subsystems,
starting
from
the
top
position
and
working
down
the
rack.
Determine
the
Number
of
Components
to
Remove
Use
the
following
tables
to
determine
the
number
of
IBFs
or
processor
subsystems
to
remove
to
reduce
system
weight
to
a
maximum
of
1136
kg
(2500
lbs.).
Chapter
2.
Installing
the
pSeries
655
9
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