23
R
2) Presser Foot Pressure Adjustment
Adjust pressing pressure as weak as possible in order not to
be slid the cloth.
A. Unfasten the pressure adjusting screw nut
①
.
B. Adjust pressing pressure by turning pressure adjusting
screw
②
.
C. Fasten the pressure adjusting screw nut
①
.
[ Fig. 25 ]
C. Adjustment of Thread Take-Up Spring
Standard location of thread take-up spring is 6-8mm of
distance to face of thread guide
③
on condition that put
down the presser foot
②
.
1. Put down presser foot
②
.
2. Unfasten the fixing screw
④
.
3. Adjust location by turning main thread tension
adjusting device
⑤
.
4 Unfasten the fixing screw
④
firmly.
[ Fig. 24 ]
3) Presser Foot Height Adjustment
When put up the presser foot
①
by presser bar raiser
②
,
standard rising amount of presser bar is 6mm.
A. Unscrew the joint screw
③
(2 pieces) and remove
faceplate guard
④
.
B. Unfasten nut
⑤
, and pressure adjustment screw
⑥
inorder not to be given pressing pressure.
C. Put up the presser foot
①
by presser bar lifter
⑨
.
D. Unscrew joint screw
⑦
, move up and down the presser
bar
⑧
to adjust height of presser foot
①
to 6mm.
E. Fasten the adjustment screw
⑦
.
F. Adjust pressing pressure by pressure adjustment screw
⑥
and tighten nut
⑤
.
G. Attach the face plate guard
④
with joint screw
③
(2 pieces).
[ Fig. 26 ]
①
⑥
④
③
⑦
⑨
①
⑧
6mm
⑤
②
②
⑤
③
①
④
↓
↑