Pfaff coverlock 4772 Owner's Manual - Page 24

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Important note on threading Tstfiihnnoohesledtltohelrnowaaaeowdteeptdidhoen,lvergetehtsnh2rre.mreteehSaudaedhdsloetlbouaatrolshledwpraseekteaharayeditgnsshserbsideneoeaoqrdtduhmrnaeroaeiwnstsacsirddeneueedgnpndois1ucl,ttntaiebbsdtdtueetr ches will occur. tIafhdtehtehneeleoldoolpoeeptrehrtrhetrhaerdaesdasdosubtraeonafdkt,hthyeeonnueremedtulhesr,terapedutlhlthree needle threads. Changing a spool on a threaded machine Cmt,nnfipnlthpnrehueeueloorcdtaeaeleenuhltcddtadctnhetelldalohseetedoersnesfen,(tt.tte1htheotisayhRhn5wrrtneeieteuralchdsealaoism.nesaddpuipeeTnd)ssoslueeshtltolpduhyofhletltanlfehsetefsptluh.riostpcalnmoel.oltsridtuohCetpeatheghsesceteurehthrshrtnoleeekiattetgatnrohhsnhadeletfreoeottotsehththwohoskareopeertitdna.tuhreesshosrtraepPtpethdcstoeuoepheaaclfyoolregnbtelttfeiuohohfvnsabanieureasdeneneetnwteddahrpd6deiunsl foot. 20

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The
needles
must
always
be
threaded
last
so
that
the
needle
threads
do
not
run
under
the
looper
thread
as
seen
in
drawing
1,
but
instead
over
the
looper
thread
as
depicted
in
drawing
2.
Should
this
sequence
not
be
followed,
thread
breakage
or
missed
stit
ches
will
occur.
Important
note
on
threading
If
the
looper
threads
break,
you
must
pull
the
needle
threads
out
of
the
needle,
rethre
ad
the
looper
threads
and
then
rethread
the
needle
threads.
Changing
a
spool
on
a
threaded
machine
Cut
the
threads
off
close
to
the
spool
and
mount
new
spools.
lie
together
the
threads
,that
are
still
in
the
machine
with
the
new
threads,
and
pull
the
threads
out
of
the
needles.
Raise
the
presser
foot.
Pull
on
the
needle
threads
until
the
knots
are
about
6
inches
(15
cm)
past
the
last
thread
guide
in
front
of
the
needles.
Cut
the
knots
off
and
pull
the
threads
through
the
respective
needle
eyes.
The
looper
threads
can
be
pul
led
continuously
past
the
looper
eye
and
placed
to
the
left
underneath
the
presser
foot.
20