CHECKING
I. Raise the presser bar and remove the presser foot.
2. Set the stitch selector st zigzag stitching and
the stitch width control at maximum.
3. Turning the hardwheel slowly toward you, check
to see whether the side motion of the needle
on the standard plane(l.Om,, above the upper surface
of the needle plate) at the rlght needle poslt*on
co_es within the englneerlng l,mit of 0.3mn..
0.3 _"
ALJL'ETy.L!;T
" _er=ve the b=ttc- cov_r.
2. Ltcsen th_ tw_ screws(1) on the _etal gear and
adjust _' turning the gear.
'1..I
i
STBIIC}| S_I_CII I_ALAt,=_- Ol
FO_WABD At;D PFVL_SE f,_ITChLS
.......... __o;,O,_,,a_';_-'--
- ...... i-;_,--V ......
Be sure to get down to work after
adjusting the buttonhole pitches.
C_S¢ZlNG
i. Set the stitch selectee at zigzag stretch stitching
and the stitch length control at .aximum.
.
Place a sheet o£ paper under the presser foot
an_ operate the n,achine without thread.
Check to see whether the pitches of forward stitches
and reverse stitches ere equal.
_ X 0 Y"
i. Re_cve the side cov_r.
2 Loosen the nut(1) on the super can,,follower and
adjust b_' sliding the notch wzth a screwdriver.
I
m L I
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