Tektronix 465M User Manual

AIR FORCE
T033A1
-13-496-1
NAVELEX
0969-LP-170-0010
Maintenance
Instructions
(14)
Pull off the
AC-GND-DC
lever
(may
need to
be
very
carefully
pried away
from the
cam
assembly
with a
small,
thin
blade
screwdriver).
(15)
Remove
the
three
screws
holding
the cam
bearing
sections to
the
circuit
board.
Then
lift the
cam
out
of
the
assembly.
(16)
Remove
the three
screws
holding
the
contact re-
tainer
to
the
circuit
board.
Being
careful
that the
two
switch
contact
assemblies
(wipers) do
not
fall out,
or other-
wise
get
damaged,
lift the
retainer out
of
the assembly.
If
the
contact
assemblies
stay
in the
switch,
lift them out.
If
they
stick
to
the retainer,
carefully
pull
them off.
If the
contact
assemblies
are not to
be
immediately
reinstalled, put
them
in a
protective
container to
prevent
damage or
contamination.
WAWWING~|
Handle
silicone
grease
with
care as
it
can
cause skin
or eye
irritation.
Wash
hands
throughly
after
use.
(c)
Assemble
the
cam
and
three
bearing
sections so
the
attaching
nuts
are
facing
downward.
Hold
these
parts
together
and set
them
into
the
attenuator
assembly
with
the
attaching
nuts
toward
the
circuit board.
Install
the
three
cam
bearing
section
screws.
(d)
Return
to
step
(14)
above
and
continue the
reassembly
in
reverse
order
of
disassembly.
(17)
The switch
contact
pads on
the circuit
board
can
be
cleaned
with
an
eraser
(pencil
type)
and
isopropyl
alcohol.
(18)
The
cam
can
be
removed from
the
end
bearing
sections by
pulling
them out
of
the
section
with
a
twist.
(19)
Reassemble
the
switch as
follows:
(a)
Install
the
contact
assemblies
on
the
contact
retainer as
shown
in Figure
5-1
3B.
Install
these
parts
in the
attenuator
assembly.
Be sure
the plastic
alignment
posts on
the
contact
retainer
are
properly
inserted
in the
circuit
board.
Install the
three
contact
retainer
screws,
but
don't
fully
tighten
them.
Very
carefully
push
the end
contact
assembly
down
to
its
pad
and check
the
alignment.
Move
the contact
retainer to
align
the contact
assembly
and pad,
then
tighten the
three contact
retainer screws.
(b)
Install each
of the
two cams
in an
end
bearing
section. Set
the
notched
detent end
of the
cam on the
sec-
tion,
then push
it into the
bearing
until it seats
(the
cam
may
need
to
be rotated to
get the
detent
notches past
the
detent rollers).
NOTE
If new
cam
parts are
being
installed or
the
cam has been washed,
very lightly
lubricate
the
detent notches and
cam ends
with
sili-
cone grease.
s.
Probe
Disassembly
and
Repair.
(1
)
BNC
Connector.
The BNC
connector on the
P6101
probe
is
removed and
replaced as
shown in
Figure
5-14.
(2)
Compensation
Box. To
remove the compen-
sation
box and
BNC connector
section of the
P6104 probe,
grasp the
retainer
cover next to
the
compensation box
with
one
hand.
Then grasp the
probe
connector
adjacent
to
the
retainer cover
with the
other
hand and
pull the pieces apart.
To reinstall
the two
parts, just
push
them together.
(3)
Probe
Head. The probe head
on either
the
P6101
or
P6104 probes can
be removed
by
holding the probe head
and the cable
connector and
pulling
them apart.
(4)
Probe
Cable. By
performing
step
(3)
and
either
(1)
or
(2)
above,
the
probe
cable
can be
separated
into
one
piece.
5-43

Tektronix 465M Specifications

General

Brand	Tektronix
Model	465M
Category	Test Equipment
Language	English