HP 492A Operating And Service Manual
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Section
I
Paragraphs
1-5
to
1-9
1-5.
The
~
Model 492A and 494A
are
similar
in
that
one
model
may
be
changed
to
the
other,
by
replacing
the
twt,
as
covered
in
paragraph
5-17.
1-6.
INSTRUMENT
IDENTIFICATION.
1-7.
Hewlett-Packard
uses
a
two-section
eight-digit
serial
number
(000-00000).
If
the
first
three
digits
of
the
serial
number
on
your
instrument
do not
agree
WA
••
ANTY
CLAIM
AND
ADJUITMINT
'IOCIDUU
Model 492A/494A
with
those
on
the
title
page
of
this
manual,
change
sheets
supplied
with
the
manual
will
define
differences
between
your
instrument
and
the
Model 492A
or
494A
described
in
this
manual.
1-8.
TRAVELING
WAVE
TUBE
WARRANTY.
1-9.
The
Traveling
Wave
Tube
Warranty
is
illus-
trated
in
figure
1-2.
A
sheet
for
your
use
is
included
in
the
appendix
of
this
manual.
MICROWAVE
TUBE
WARRANTY CLAIM
INFORMATION FORM
IMPORT
ANT:
Please
ans
....
er
all
questions
fully
--
InsuHlclent Information may
delay
processing
of
your
claim.
-
for
microwave
tubes supplied
by
[he
HEWLETT·
PACKARD
COMPANY
for
use
In
*
Instruments
Microwave
tubes
supplied
by
the
Hewlett-Packard
Company.
either
88
original
or
replacement.
for
use
in
8
instruments
are
actually
warranted
by
the
tube
manufaclUrer
and
not
by
9.
However, S
will
process
warranty
claims
for
you, and will
promptly
pass
on
all
allowances
granted
by
the
tube
manufacturer.
In
the
event
that
your
tube Is (ound
to
be
repairable,
the tube
manufacturer
reserves
the
right
to
repair
and
return
the tube in lieu of
Issuing
pro--Tata
credil.
For
your
convenience,
warrantyclalms(orall
microwave
tubes
supplied
by the
Hewlett-Packard
Company
may
be
made on
this
sIngle
form;
merely
fJII
out the
lnfonnallon
on the
reverse
side
and
rerurn
this
fonn.
along
....
lth
thedefectlve
rube.
to
your
8
engineering
representallve.
or
tO~.
Please
be
sure
each
space
on the form
is
filled
In··lack
of
complete
infonnation
may
delay
processing
of
yourcTiim.
Each
tube
manufacturer
has
his
own
warranty
policy.
Copies
of Individual Conditions of
War-
ranty
are
available
from
your
*
engineering
representative
or
from Ihe He
....
len·Packard
Company.
SHIPPING
INSTIUCTIONS
FROM:
(rube
Owner)
Company
Address
Tube
type
Tube
serial
No.
_
Tube
mfr.
Use
in
~
Model _
Instrument
serial
no. _
Date
FOR FURTHER INFORMATION CONTACT:
Name
_
Title
_
Company _
Address
_
Tube
purchased
from
On
P.
O.
number
The
following
instructions
are
included
to
aid you
In
preventing
damage
in
transit.
Package
your
tube
carefully
••
no
allowance
can
be
made on
broken
tubes.
Tube
is
Original ( )
or
Replacement
(
1.
Carefully
wrap
tube in
1/4
inch thick
"klmpack".
Cotton batting.
or
other
sofl
padding
material.
2. Wrap the
above
in heavy
kraft
paper.
3.
Pack
in a
rigid
container
....
hlch Is
at
least
4
inches
larger
than the lube In
each
dimension.
4.
Surround
the
tube
with
at
least
2
inches
of shock
absorbing
material.
Be
cenaln
that the
packing Is tight
all
around
the tube.
Date
tube
received
_
Date
first
tested
Date
placed
in
service
_
Date
of
failure
_
Hours
use
per
day
(average)
_
Number
of
days
In
service
_
Total
hours
filament
operation
5.
Tubes
returned
from
outside
the continental
UnltedSrates
should
be
packed
In
a wooden box.
6.
Mark
container
FRAGILE and
ship
prepaid
via
Air
Freight
or
Railway
Expreu.
Do
not
ship
via
Parcel
POSt
or
AJr
Parcel
POSt
since
experience
has
shown that
fragile
Items
are
more
apt
to
be
damaged
when
shipped
by
these
means.
Tubes
returned
to
the
Hewlen·Packard
Company should be
addressed
to:
SYMPTOMS:
(Please
describe
conditions
prior
to
and
at
time
of
failure.
along with
description
of
lube's
defect,
If known) _
CUSTOMr.
snvlcr
H.~".,.d.rd
COfftpel'ly
]95
,.~
Mil
R_d
1'.
Alto. C.lifomi.,
U.S.A.
01
II.
W
....
,..I.r.,.J
H_lett·,.d.,dS.A.
kvedIiVifillli",dNo.l
G.I'l...... S
...
itter!Mtd
Were
there
other
circuit
component
failures
at
time
of
failure?
Which ones?
Signature
_
Title
9/12/61
1-2
Figure
1-2.
Traveling
Wave
Tube
Warranty
00144-2
)