38
8.7) Clearance adjustment of hook and
opener
Place the opener
①
close to the hook
②
to a maximum,
and then unfasten the fixing screw for the opener shaft
crank
③
. Manually adjust the opener to set the distance
between the hook stopper
④
and the needle plate
⑤
groove at 0.5~0.7mm. When adjustment is complete,
tightly fasten the fixing screw for the opener shaft crank
③
.
8.8) Adjustment of Needle Plate Height
The standard distance between the needle plate
⑤
and
the hook stopper
④
is 0.8mm at minimum. Adjustment
can be made in the following order:
1) Unfasten the needle plate fixing screw
①
, the needle
plate base adjusting screw
②
, and the needle plate
base fixing screw
③
.
2) Unfasten the fixing screw
⑥
for the needle plate base
adjusting cam on the inner side of the needle plate
base and use the needle plate base adjusting cam
⑦
to adjust the needle plate height.
3) When adjustment is completed, tightly fasten the
fixing screw for the needle plate base adjusting cam
⑥
, the needle plate base adjusting screw
②
, and the
needle plate base fixing screw
③
.
⑤
③
②
①
①
⑦
0.8mm
[Fig. 8-12]
[Fig. 8-13]
④
0.5~0.7mm
②
③
⑥
⑤
④
8.9) Adjustment of Presser Foot Height
1) To ensure presser foot
’
s smooth vertical movement,
release the presser foot presser adjusting dial
⑧
.
2) Fix the presser foot as lifted by pulling the presser
foot lift lever
①
and loosen the fixing screw
③
on the
presser foot lift block
②
.
3) Lift the auxiliary presser foot
④
10mm above the
needle plate.
4) Place the pin
⑥
inserted into the presser bar lift shaft
⑤
closely to the presser bar lift bracket
⑦
and
tighten the fixing screw
③
while the presser foot lift
lever pulled back
①
and the presser foot lift block are
closely contacted.
[Fig. 8-14]
Please be noted that the presser bar lifting spring could be separated when the presser foot pressure
adjusting dial
⑧
is fully released.
Caution
⑧
④
⑥
⑤
⑦
②
①
③
10mm
Содержание KM-1080 Series
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