Pfaff 234 User Manual

R 5090
Fis.20
/.
Hold the
bolonce wheel in this position
ond turn
lhe hook
on its shoft
until
its point
is
opposite the
center
line
of
rhe
needle.
Slightly tighten
whicheveÍ
hook
sel screw
con be reoched
mosl
eosily.
L
Check whether the hook point
is
obout
3ir."
(1.2
mm)
obove ihe rop
of
the
needle eye. If odiusiment is
required,
loosen
set screw
c
(Fig,
l9)
ond set fhe needle
bor ot ihe correct
height.
9. Check whether lhere
is
o cleoronce of .004" (0.1
point
ond lhe needle. Moke
sure thot the
hook
mm) belween lhe hook
point will
never
choíe
ogoinst lhe needle.
10. Tighleo
boih hook sel
scíews
pres5er
Íoot.
sêcurely
ond reploce needle plole
ond
To focilitote
setting
the needle
bor
ot
the
coírect height,
o smoll
depres-
sion
obout
t/e."
wide
hos been
milled into the
bor. When the needle
bor
hos reoched
the
lowest point
of its
siroke,
the top
of this mork
shoulo
oe
Ílush
with the boitom
edge of the lower
needle bor
bushing. The width
of
lhis mork
coincides with
ihe omount
of
needle
rise reouired
lo Íorm
the
loop.
In other
words,
when the needle
bor hos
risen obout
5/r."
Írom
the
lowesl
point
of
its
ltrole,
the
hook
point
should be
opposite lhe centeí
line
of
the needle.
This lost odjustment
pÍocedure,
however, is
not
prêcise
enough.

Pfaff 234 Specifications

General

Brand	Pfaff
Model	234
Category	Sewing Machine
Language	English