Pfaff hobbylock 774 Owner's Manual - Page 19
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e. Replacing the lower knife DURING THIS OPERATION DISCONNECT THE PLUG FROM ThE MAINS OUTLET 1. To remove the lower knife. First push into the right the upper knile release knob turning it anti-clockwise to release the upper knife (as described on page 1 7) Loosen the lower knife screw and remove the lower knife, taking care not to touch the blade. 2. Fitting a new lower knife Insert the knife into the groove of the lower knife holder and, with the cutting edge facing right, set the knife so that the cutting edge of the blade aligns with the surface of the needle plate and then re-tighten the fixing screw securely. using a screwdriver. Replace the upper knife in its working position by means of the release knob (see also page 1 7). 18
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e.
Replacing
the
lower
knife
DURING
THIS
OPERATION
DISCONNECT
THE
PLUG
FROM
ThE
MAINS
OUTLET
1.
To
remove the
lower
knife.
First
push
into
the
right
the
upper
knile
release
knob
turning
it
anti-clockwise
to
release
the
upper
knife
(as
described
on
page
1
7)
Loosen
the
lower
knife
screw
and
remove
the
lower
knife,
taking
care
not
to
touch
the
blade.
2.
Fitting
a
new
lower
knife
Insert
the
knife
into
the
groove
of
the
lower
knife
holder
and,
with
the
cutting
edge
facing
right,
set
the
knife
so
that
the
cutting
edge
of
the
blade
aligns
with
the
surface
of
the
needle
plate
and
then
re-tighten
the
fixing
screw
securely.
using
a
screwdriver.
Replace
the
upper
knife
in
its
working
position
by
means
of
the
release
knob
(see
also
page
1
7).
18