To
prevent thread jamming,
hold
both
thtead
ends
until
the
machine
has
made a few
stnctu~s.
Oo not
pull
lhe
material
during
sow
ing:
the
machine will feed the fabric automatically.
Use needles of tho correct system on
ly
(see Chapl
or
6).
Nover
use
cus
ty needles.
Usa high-qualily lhroads only.
Always
bring
the
take-up lever
10
itc
highest point before you remove
the
material.
3.
Cleaning and oiling
Caroful cleaning and reg
ular
oilirlg
will
increase t
he
sorvlce life or
your
machine.
AHer you have removed the
dusi
which has accumulaled
on
the machine In trnnsit, take
a clean rag and
r~move
lhe grease from
all
nickel·plaled and polished parts. Apply a
fow
drops
of
kerose
ne
to
all
oiling
points
marked
with
dash
lines
in
Figs
. 1, 2
and
3,
ralso
the
presser foot. unthread the needle, remove the bobbin case and
let
tho machine
run brieny. Apply a few drops
of
Pfaff sewing machine oil No. 280·1·120 122
to
nil
points
of frlcllon.
White 1hese point$ ol friction should be oiled twice a woek, the sewing hook must be
oiled
each day
tho
machine
is
in
operation. Make particularly sure that oil Is applied
to
oilhole R (Fig. 4).
Although
the
bevel gears are enclosed
in
cases and reQuire
no
special mainteneoce,
It
is
recommended
to
replace the
old
grease
by
Pfaff grease No. 2S0.1-120 243
once
a
yeor.
Owing
to
tho spacial
lu
bricating properties
of
this grease. the flanks
nt
tho bevel
geor tooth should bo greased only llghlly.
Fog 1
Fig. 2
4
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