– 23 –
6-13 Adjusting the auxiliary hook height
○
Remove the face cover.
Adjustmentprocedure
1.Loosenthelocknut.Adjusttheadjustingnutsothatthedistanceshownintheenlargedpartialviewisob-
tained.
2.Tightenthelocknuttoxtheadjustingnut.
(Caution) If the thread does not enter the guide slit of the needle threading hook when threading the nee-
dle, check the distance and adjust it correctly.
Adjusting nut
Locknut
Enlarged partial view
Guide slit
6.7 ± 0.1 mm