Additional
Instructions
for
Pfaff
machines
142,144,146
and
542-748/01
23.
Threading
the
needles
To thread the left needle, pass tne thread
from
tne spool on the tnread stand through
the two upper holes in stud 1 on the machine arm (not shown In Fig.
24),
through thread
guide
2.
around
thread
retainer
3,
around
and
between
tension
discs
4,
down
and
iround thread controller disc 5. through thread check spring 6, up and through thread
juide
7, from right to left through the hole in take-up lever 8. down and through thread
guides
9, 10
and
11,
and
from
right
to left
through
the
eye
of
the
left
needle
12.
To
thread
the
right needle,
pass
the
thread
from
the
second
spool
on
the
thread
stand
through the two lower holes in
stud
1 (not
shown
in Fig. 24).
thence
to 2, 14, 15, 5, 6,
7. 8, 9, 10
and
16.
and
from left to right
through
the
eye
of
the
right
needle
17.
Fig. 24
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