machine
far
enough
so
that
they
do
not
protrude
into the
boreholes
which
receive the hinge studs.
Seize the machine by the front
end
and
the
arm
standard
oncf tilt it bock
slightly. Then push it
onto
the studs, making
sure
that
both studs
enter
the
bore-
holes simultaneously,
and
slide it down
as
for
as
it will go. Failure
to
observe
this rule may
cause
the
studs to
be
bent.
Now
swing the machine down to the
normal position for sewing. Check whether
there
is on even
and
sufficiently
wide interspace between the front
edge
of
the
bedplote
and
the
top
flap
of
the
cabinet.
If
this
space
should
be
too
wide, slip
as
many spacers
{28419)
onto
the
hinge studs
as
may
be
required to reduce it to normal. Tilt the machine bock
and
tighten
the
set screws securely so that they will
not
loosen when
the
ma-
chine,
dropped
into its
cabinet,
is
shipped to the customer.
Great
caution must
also
be
used
in
lifting the machine off
the
hinge studs.
Make
particularly sure
that
the set screws
ore
turned
out
for enough.
Removing
the
Rust-Preventative
Fluid
Before they leave the factory, all Pfaff
sew
ing machines
are
sprayed
with o
rust-preventative fluid in
order
to prevent rust occurring on
the
metal surfaces
in
transit
and
subsequent storage.
It
cannot
be
avoided
in
apply
ing this fluid
that
tiny drops occasionally
enter
the
bearings
where they may
cause
hard
running
of
the
machine. To prevent this, rinse all bearings with
cleaning
fluid,
or
kerosene,
and
apply
Pfaff sewing machine o
il
to all oiling points before
the machine
is
delivered
to
the customer.
Cleaning
and
Oiling
No
Pfaff
dealer
should foil to impress upon his customers
the
importance
of
regular machine core,
for
the
longevity, smooth running,
and
satisfactory per-
formance
of
the machine
depend
on it. (See also the illustrati
ons
on
pages
40
and
41).
Removing
the
Top
Cover
Af.ter removing
the
top
cover, it
is
possible to reach all oiling
po
ints
and
to
adjust
the
various mechanisms located
in
the machine arm.
Two studs hold
the
top
cover
in
position
on
the
arm
costing. To remove
the
top
cover from the machine, lift it up perpendicularl
y.
38
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