C.
To change from B (BACK) to C (CENTER)
Perform reverse procedures of No.1 (see below).
1).
With outside eccentric
④
secured, turn only middle eccentric
⑥
90
°
counterclockwise.
2).
Align the V-shaped groove on outside eccentric
④
with mark X by turning
outside eccentric
④
and middle eccentric
⑥
clockwise.
D.
To change from F (FRONT) to C (CENTER)
Perform reverse procedures of No.B (see below).
1).
With outside eccentric
④
secured, turn only middle eccentric
⑥
90
°
clockwise.
2).
Align the V-shaped groove on outside eccentric
④
with mark X by turning
outside eccentric
④
and middle eccentric
⑥
clockwise.
E.
To change from B (BACK) to F (FRONT)
Change B (BACK) to C (CENTER) first (follow procedure No.C).
Then change C (CENTER) to F (FRONT) (follow procedure No.B).
F.
To change from F (FRONT) to B (BACK)
Change F (FRONT) to C (CENTER) first (follow procedure No.D).
Then change C (CENTER) to B (BACK) (follow procedure No.A).
6
< Note >
When turning the middle or outside eccentric during
Nos.1 to 6 procedures, be sure to keep the top feed dog
from contact with the slots on the presser
foot.
【
5
】
ADJUSTING THE TOP FEED DOG TIMING
■
To adjust the up-and-down timing
Align hole
②
on the top feed up-and-down eccentric
with V-shaped groove
①
on the upper shaft
(standard).
< Note >
The top feed dog path, height and front-to-back
position are changed by changing the position of these
holes and V-shaped grooves. Be careful.
■
To adjust the front-to-back timing
Align hole
④
on the top feed front-to-back eccentric
with V-shaped groove
③
on the upper shaft
(standard).
