Fluke 893A Instruction Manual page 35

4-1.
INTRODUCTION
4-2. This section
of
the
raanxial
contains the informa-
tion
necessary
for
you
to
maintain your Model
893
AC-
DC
Different^ Voltmeter.
The
information
is
arranged
under headings
of
"SERVICE INFORMATION,
DISAS-
SEMBLY
INSTRUCTIONS,
GENERAL
MAINTENANCE,
PRECALIBRATION AND TROUBLESHOOTING,
and
CALIBRATION PROCEDURES.
"
A
list of
the test
equip-
ment
required
for
maintenance
of this
instrument
is
contained
in Figure
4-1.
E
the
recommended
test equip-
ment
is
not available,
other instruments having
the
equivalent specifications
may
be
substituted.
4-3.
Your
instrument
was
completely
tested and
aligned before leaving the factory and
calibration
should
not be
necessary durii^
the first
90 days
of
operation.
However, should you
wish
to
check
the
instrument
ac-
curacy against
most
of
the specifications
contained
in
Section
I,
the information contained
in the
Calibration
Procedures
may
be used.
The
Calibration
Procedures
are arranged
in
such
a
manner
that by disregarding the
adjustment information that
may
be
used as Instrument
Performance Checks.
4-4.
We
recommend
that
you thoroughly read and
understand
this section
of
the
manual before attempting
any maintenance on your
instrument.
4-5. SERVICE
INFORMATION
4-6,
Each
instrument manufactured by the John Fluke
Mfg. Co.
,
Inc. is
warranted
for
a
period
of
one year
upon delivery
to the original
purchaser.
Complete war-
ranty
information
is
contained
in
the
Warranty
page
located
at the
rear
of
this
manual.
4-7.
Factory
authorized calibration
and repair service
for all
Fluke instruments are
available at
various world
wide locations.
A
complete
list of
factory authorized
service centers
is
located
at the
rear
of
this
manual.
If
requested, an estimate
will
be
provided
to the cus-
tomer
before any repair
work
is
begun on instruments
beyond
the
warranty
period.
4-1
SCi'3 A