7-3-4. Adjustment of the knife unit
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
❷
A
❹
❶
❸
– 89 –
1) Check to make sure that the power switch is in
the OFF state. Remove the gauge (presser foot,
throat plate and feed dog) from around the nee-
dle.
2) Tilt the sewing machine head.
3) Remove protective cover ❶.
4) Loosen loop spreading knife eccentric pin set-
screws ❸ (two pieces). Turn loop spreading knife
eccentric pin ❷ with a flat-blade screwdriver to
finely adjust the rotational-direction position of
loop spreading knife ❹.
5) After the adjustment, tighten loop spreading knife
eccentric pin setscrews ❸ (two pieces).
6) Attach protective cover ❶ back in place.
Position of marker dot A on loop
spreading knife eccentric pin ❷ should
be adjusted only from the operator's
side.