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Pfaff 467 User Manual

Pfaff 467
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To
interrupt
the
oil
flow
to
the
sewing
hook
when
the
machine
is idle,
shut-off
valve
V
has
been
arranged
between
the
oil reservoir
and
oil
flow
regulator
valve R.
This
valve is
opened
by
centrifugal
switch
Z
on
the
hook
shaft
only
after
the
machine
has
attained
a
medium
rate
of
speed.
Shut-off
valve
V is
set
laterally
so
that
there
is a
clearance
of
about
,04",
or
1.0
mm,
between
the
valve
stem
and
the
plunger
of
centrifugal
switch
Z
(Fig.
42).
The
power
of
the
pressure
spring
in
shut-off
valve is
such
that
the
plunger
of
centrifugal
switch
Z will
not
push
the
stem
of
valve
V to
the
right
to
open
the
flow
of
oil
until
the
machine
has
attained
a
medium
rate
of
speed.
44.
Lubricating
the
Feed
Rock
Shaft
The
oscillating
feed
rock
shaft
conveys
the
feed
motion
from
feed
regulating
shaft
L to
crank
assemblies
SK
and
AK in
the
gear
case
(Fig.
42),
crank
TS
(Fig.
37)
and
the
feed
bar.
This
shaft
is
hollow
and
is
lubricated
with
grease
by
means
of
nipple
N
(Fig.
45)
at
its
left
end.
The
grease
enters
the
long
bearing
bushing
through
a
number
of
concentric
boreholes
and
ensures
reliable
lubrication
of
the
shaft
until
it is
given
the
next
check-up
scheduled.
53
From the library of: Superior Sewing Machine & Supply LLC

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Pfaff 467 Specifications

General IconGeneral
BrandPfaff
Model467
CategorySewing Machine
LanguageEnglish

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