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Simpson 1000 - Maintenance

Simpson 1000
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MAINTENANCE
SECTION
V
MAINTENANCE
There
are
very
few
parts
in
the
tube
tester
which
are
likely
to
be
damaged
or
will
wear
out
over
a
long
period
of
use.
However,
there
are
a
few
precautions
which
you
should
observe
in
order
to
assure
continued
satisfactory
operation
of
the
unit.
i
K
TOGGLE
SWITCH
The
K
toggle
switch
is
a
three
section
rotary
type
switch
with
the
actuating
lever
extending
out
the
side
of
the
wheel.
Only
four
positions
are
used
for
the
setting
of
this
switch,
while
each
of
the
other
11
similar
switches
uses
six
positions.
There
is
a
mechanical
stop
in
the
K
switch
which
allows
you
to
use
positions
0,
1,
2,
and
3,
but
pre-
vents
you
from
pushing
the
lever
arm
beyond
the
#3
posi-
tion.
Do
not
attempt
to
force
the
K
toggle
switch
beyond
its
#3
position,
or
the
switch
will
probably
be
damaged
so
that
you
will
have
to
replace
it.
TUBE
SOCKET
TERMINALS
In
a
long
period
of
time,
the
terminals
of
the
tube
sockets
may
accumulate
a
dirty
film
on
the
inside
contact
surfaces
which
will
interfere
with
continuity
to
the
inserted
base
pins
of
the
tubes
being
tested.
If
you
suspect
this
condi-
tion,
spray
or
flow
a
little
contact
cleaner
through
the
socket
terminals
to
eliminate
the
film
and
restore
the
necessary
continuity.
37

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