Caution:
1.To prevent the unexpected startup
of sewing machine, trim off the pow
er
supply before the operation is
conducted.
①
②
③
Fig.20
Fig.21
a b c d
④
⑤
-14-
2.Adjustment of the strength of pedal
The sewing machine run at a low speed wh
-en step forth on the panel slightly.If the stren
-gth is insufficient, hang the stepping adjust
-ment spring
④
on the panel spiral arm drivin
-g lever
⑤
in order to adjust strength.(a is the
minimum stepping strength ,b,c,d increase g
-radually)
Caution:
1.To prevent the unexpected startup
of
sewing machine, trim off the pow
-er
supply before the operation is
conducted.
3.
Adjustment of stepping return strength
1)
Loosing nut
⑥
and turn bolt
⑦
to adjust s
-tepping return strength : tighten bolt
⑦
,the st
-rength increases;loosen bolt
⑦
,the strength
decreases.
2)
Tighten nut
⑥
after adjusting stepping ret
-urn strength.
Caution:
1.To prevent the unexpected startup
of
sewing machine, trim off the pow
-er
supply before the operation is
conducted.
ZOJE Europe 2022
