41
Looper
height
(subcl.
-911/..)
Correct When
the
looper holder Is In Its vertical position,
there
must
be a
clearance
setting: of 3,2 mm between the highest point of the looper and the underside of the
needle
plate.
41.1
41.2
41.3
41.4
41.5
41.6
41.7
41.7.1
41.7.2
41.7.3
41.7.4
41.7.5
41.7.6
41.8
41.9
m
Remove bed slide, cover plate, needle plate and feed dog.
Place the needle plate In position again and operate the presser bar lifter to
lower the presser foot onto the needle plate.
Turn the balance wheel until
the
looper holder Is vertical.
Loosen clamp screw 1 and screw 2 of eccentric bearing stud 3.
Turn
eccentric
bearing
stud
3 until
there
is a
clearance
of 3.2 mm
between
the
highest point of
the
looper
and
the
underside of
the
needle plate.
In this position, tighten clamp
screw
1
and
screw
2.
Ifa clearance of 3.2 mm cannot be obtained, proceed as
follows:
Raise
the
presser foot and remove the needle plate.
Loosen clamp screw 4
In
looper holder 5 and take off the looper (do not lose
spacer).
Fit
an appropriate spacer (see
inside
front
cover)
on the looperneckand push
the looper Into looper holder 5 again as far as It
will
go.
Set the looper blade
roughly
parallel
to the
front
edge of the bedplate (pre
liminary adjustment)
and
tighten clamp
screw
4.
Replacethe needle plateand operate the presser bar
lifter
to
lower
the presser
foot
onto
the
needle
plate.
Check that there Is a clearance of 3.2 mm between the highest point of the
looper and the underside of the needle plate when the looper holder Is In Its
vertical
position.
If necessary,
repeat
steps
41.3 to 41.6
Check this adjustment (see "Correct setting").
48
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