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Pfaff 438 Series User Manual

Pfaff 438 Series
52 pages
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20
Setting:
Adjustment:
20.1
.2
.3
Adjusting
the
slack
thread
control
When the needle bar is at b.d.c. the bottom
edge
of the slack thread controlwire must
be inline with
the
top
edge
of
the
hole in
the
threadguide(Rg. 20.0.2).
20.0.2
20.0.1
Push
slack
thread
control wire 1 on
bushing
2
and
hold itin position.
Bring
the
needle
bar
to b.d.c.
Adjust
the
position of
slack
thread
control
wire 1
so
that
its
bottom
edge
Is In line
with
the
top
edge
on
the
hole
in
the
thread
guide,
and
make
sure
it
is
set
parallel
to
the
bedplate.
Inthis position tighten
screw
3.
Check this adjustment
(see
"Setting").
32
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

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Pfaff 438 Series Specifications

General IconGeneral
BrandPfaff
Model438 Series
CategorySewing Machine
LanguageEnglish

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