Pfaff 60 Owner's Manual - Page 40
lengthening. - belt
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Tightness of performance Cause: Drive belt being too long and slips off or too short, causing excessive pressure on the bearings. Shuttle race being dry or obstructed by odd thread. Mechanism is clogged up by inferior oil. The feeder jams the needle plate. The winder is engaged, braking the ape ration. Thread has wound up between balance wheel and bushing. Remedy: Shorten belt and/or insert a piece for lengthening. Cut the belt straight, not on the bias. Clean and oil shuttle race. Use only PFAFF sewing machine oil, never salad oil or glycerin. Unscrew both feeder and needle plate and readjust properly. Disengage winder. Remove and unwind thread with the aid of a thin needle. 38
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Tightness
of
performance
Cause:
Drive
belt
being
too
long
and
slips
off
or
too
short,
causing
excessive
pressure
on
the
bearings.
Shuttle
race
being
dry
or
obstructed
by
odd
thread.
Mechanism
is
clogged
up
by
inferior
oil.
The
feeder
jams
the
needle
plate.
The
winder
is
engaged,
braking
the
ape
ration.
Thread
has
wound
up
between
balance
wheel
and
bushing.
Remedy:
Shorten
belt
and/or
insert
a
piece
for
lengthening.
Cut
the
belt
straight,
not
on
the
bias.
Clean
and
oil
shuttle
race.
Use
only
PFAFF
sewing
machine
oil,
never
salad
oil
or
glycerin.
Unscrew
both
feeder
and
needle
plate
and
readjust
properly.
Disengage
winder.
Remove
and
unwind
thread
with
the
aid
of
a
thin
needle.
38