Pfaff coverlock 4850 Owner's Manual - Page 28

important, thread,ng, spool

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_ ttUt7t7t7UU -- II L/ / - H uA important note on thread,ng The needlels) must always be threaded last o that the needle threads do not run under lie looper thread as seen in (Ira Wi 119 1, hut nstead over the looper thread as depicted fl drawing 2. Should this sequence not be nllowed, thr@ad breakage or missed stitches an occur. N lithe looper threads break, you must pull the needle threads out of the needle eye, rethread the looper thread and then rethread the needle threads. Changing a spool on a threaded machine Cut the threads off close ro the spool and replace with new spools. Tie together rhe threads which are still in the machine 'vith the new threads, and pull the threads out of die needle eyes. Raise the presser root. Pull p I on the needle threads until the knuts are alivut 6 rnuhea (15 urn> pest the ist thread guide in front of the needles. Cut the frnots off and pull the threads through the respect ye needle eyes. The looper thre/ds can he pulled continuously past the looper eye and ulaned to the left underneath the presser iOOt 24

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ttUt7t7t7UU
--
H
uA
_
important
note
on
thread,ng
The
needlels)
must
always
be
threaded
last
o
that
the
needle
threads
do
not
run
under
lie
looper
thread
as
seen
in
(Ira
Wi
119
1,
hut
nstead
over
the
looper
thread
as
depicted
fl
drawing
2.
Should
this
sequence
not
be
nllowed,
thr@ad
breakage
or
missed
stitches
an
occur.
II
L/
/
-
N
lithe
looper
threads
break,
you
must
pull
the
needle
threads
out
of
the
needle
eye,
rethread
the
looper
thread
and
then
rethread
the
needle
threads.
Changing
a
spool
on
a
threaded
machine
Cut
the
threads
off
close
ro
the
spool
and
replace
with
new
spools.
Tie
together
rhe
threads
which
are
still
in
the
machine
‘vith
the
new
threads,
and
pull
the
threads
out
of
die
needle
eyes.
Raise
the
presser
root.
Pull
on
the
needle
threads
until
the
knuts
are
alivut
6
rnuhea
(15
urn>
pest
the
ist
thread
guide
in
front
of
the
needles.
Cut
the
frnots
off
and
pull
the
threads
through
the
respect
ye
needle
eyes.
The
looper
thre/ds
can
he
pulled
continuously
past
the
looper
eye
and
ulaned
to
the
left
underneath
the
presser
iOOt
p
I
24