26
Setting:
Adjustment:
26.1
.2
.3
.4
.5
.6
.7
.8
.9
.10
Hook
lubrication
Afterthe machine
has
run at full
speed
for
about
ten
seconds,
a fine traceof oilshould
appear
on a pieceof
paper
placed
overthe
needleplate cutout abovethe hook raceway.
i
[m
0
26.0.1
Checkthe
oil
level
and,ifnecessary,topupthe
reservoir
with
oil
with
a mean
viscosity
of
22.0
mm®/s
at
40°C
anda
density
of0.865
g/cm^
at
15°C
until
the
oil
level
isin
line
with
the
upper
mark. We recommend Pfaff sewing machine oil No. 280-1-120144.
Tuminregulatingscrew 1 ofthe oilcheck valveas faras it
will
go, and then backabout half
a
turn.
Switch
on
the
machine
and
run
it
for
about
one
minute.
Remove needle plate and feed dog and take the needleout ofthe needle bar.
Placea piece ofwhite paperover the needle plate cutout and hold itthere.
Letthe machine runabout ten seconds. Thencheck to
see
ifa finetrace ofoilhas appear
ed on the paperoppositethe hook raceway.
If
too
much
oil is emitted,
turn
regulating
screw
line
littie;
or
if
too
little oil Is
emitted
turn
it
out
somewhat.
Check this adjustment (see "Setting").
Replace and screw on feed dog and needle plate.
Replace
the
needle
in
the
needle
bar.
40
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
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