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Control:
|
Proceed
as
described
under
the
rule.
Correction:
:
Loosen
the screws
n/18 and shift the needle
guide accordingly.
Note:
If the adjustment
is not correct,
the needle may brake
or skipped
stitches
may
occur.
2.4
Stroke
of the
cloth
presser
foot
(266-76-12)
Explanation:
The maximum
stroke
of the cloth presser
foot is determined
by the
excentricity
of the lifting
lever.
Rule:
Control:
With
the feed dog and with
the lifting
lever
being
lowered,
check
the play between
the traction
rod S/9 and the block R/9.
Correction:
- Loosen
r/9 screw.
- Shift R/9 block vertically.
2.5
"Thread tension release
Rule:
Correction:
- Remove
the protective
sheet.
- Loosen
x/12
screw.
Swing
Y/12
block.
Loosen
z/12 block.
Note:
If no correct
adjustment
can be obtained
in this way,
proceed
as
follows:
- Remove
the head cover
and the plate.
- Swing
out
the needle
rocker.
- Loosen
g/9 screw
and
- Shift the block W/9 vertically.
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