taining
tongue,
turn
screw
R
.backward;
to
decrease
the
pressure,
turn
it
forwards.
For
easy
removal
of
the
ma*
terial,
press
against
the
knee
lever
to
raise
the
vibrating
and
lifting
pressers
and
lock
the
latter
In
position
by
lever
St
(Fig. 27).
Fig.
28
27.
Adjusting
the
puller
feed
The Pfaff
546-748/01
is equipped
with
an additional puller feed
which
is arranged
behind the
presser
foot and, acting in synchronization with the unison feed,
ensures
even feeding of the material. The lower feed roller is positively driven by the feed rock
shaft
via a connection and
has
a buiit-in retaining mechanism.
By lowering
presser
bar lifter
Sj
(Fig. 27),
the
upper
feed roller is lowered
onto
the
lower feed roller and both
advance
the
material together. To increase the
rate
of feed
of the puller feed so that It
exerts
a
stronger
pull on the material at the
back
of
the
needles,
adjust
the
position of
connection
Z (Fig. 27) in relation to
the
feed lever.
Then
tighten
the
hexagon
nut securely.
To Next Page
Loading...
Need help?
General
