Pfaff dorina 75 Owner's Manual - Page 47

Drive, tension

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Drive belt tension If the motor Todothis: no longer drives properly or the drive belt has just been renewed, the drive belt tension has to be adjusted. Unscrew and take off the belt cover c Loosen the fixing screw of the motor bracket (see ill, below). Push the motor bracket downwards then tighten the screw again. to a position in which you can push the belt inwards by about 5mm (3/16") (see ill.), Caution: never adjust the belt too tight or you may damage the motor or the machine! 46

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Drive
belt
tension
If
the
motor
no
longer
drives
properly
or
the
drive
belt
has
just
been
renewed,
the
drive
belt
tension
has
to
be
adjusted.
Todothis:
c
Unscrew
and
take
off
the
belt
cover
Loosen
the
fixing
screw
of
the
motor
bracket
(see
ill,
below).
Push
the
motor
bracket
downwards
to
a
position
in
which
you
can
push
the
belt
inwards
by
about
5mm
(3/16”)
(see
ill.),
then
tighten
the
screw
again.
Caution:
never
adjust
the
belt
too
tight
or
you
may
damage
the
motor
or
the
machine!
46