HP 8508A - Page 115

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Service
Bottom Cover Removal
To
remove
the
bottom
cover
of
the
Vector
Voltmeter,
follow
the
procedure
listed
below.
a.
Place
the
Vector
Voltmeter
with
the
bottom
cover
facing
up.
b.
Remove
the
2
rear
feet,
each
of
which
are
held
in
place
with
a
Pozidriv
screw.
c.
Undoing
the
Pozidriv
screw
at
the
centre
of
the
rear
edge
of
the
bottom
cover
will
cause
the
cover
to
slide
back.
When
it
is
clear
of
the
front
frame
it
can
then
be
lifted
off.
Refitting the Bottom Cover
Refitting
of
the
bottom
cover
is
the
reverse
of
this
procedure.
Disassembly
and
Reassembly
Procedure
For
Option
001
Instruments
Top
Cover
Removal
To
remove
the
top
cover
from
the
Vector
Voltmeter,
follow
the
procedure
listed
below:
a.
Remove
the
2
rear
feet
which
are
each
held
in
place
by
5
Pozidriv
screws.
b.
Separate
the
Carrying
Handle
from
the
top
cover
by
first
removing
the
snap-on
plastic
caps
covering
the
handle
hub
assembly.
Access
can
then
be
made
to
remove
the
single
Pozidriv
screw
holding
each
bub
to
the
side
frame.
By
pulling
the
handle
hubs
outwards,
the
handle
will
then
come
away
from
the
instrument.
c.
Undoing
the
Pozidriv
screw
at
the
centre
of
the
rear
edge
of
the
Top
Cover
will
cause
the
cover
to
slide
back.
When
it
is
clear
of
the
front
frame
it
can
then
be
lifted
off.
Refitting the Top Cover
Refitting
of
the
top
cover
is
the
reverse
of
this
procedure.
E1089
.
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