Service manual
S-311
e-mail: service@amfreece.cz; parts@amfreece.cz; website: www.amfreece.com
Phones: +420 582 309 146 (Service); +420 582 309 286 (Spare Parts); Fax: +420 582 360 606
Revised 03/2006
1-54
Blade section
Gimp
Lower thread
b.1. Loosen two screws
.
b.2. Turn the knife Ð in direction A to align the
fixing knife face Ï with knife blade section
edge Ð. Then make as small as possible
clearance C (approximately 1mm) between the
thread catching plate Ê and clamp fixing
plate Ë in direction of arrow B. Check the
clearance D between the fixing knife Ï and
screw
, when the fixing knife face Ï is
aligned with mark on the knife Ð.
b.3. Tighten the screws
.
c) lower thread grasping opener - LTT
Turn the knife Ð in direction A to align the
fixing knife face Ï with mark on the knife Ð.
The lower thread clamp Ì is closed in this
position and retains lower thread.
d) looper thread hauling — LTT
d.1. Loosen two screws
.
d.2. Turn the knife Ð in direction of the arrow A to
align the fixing knife face Ï with the edge of
the knife blade Ð. Align the lower thread
fixing plate Ë with thread hauling plate Ê in
vertical direction - see picture. Then tighten the
screws
.
d.3. Sew a sample buttonhole and check if the lower
thread is inserted in the lower thread clamp Ì
and gimp is inserted in the gimp clamp Í.
e) lower thread grasping opener - LTT
e.1. Loosen two screws
.
e.2. Turn the knife Ð in direction of arrow A to
align the fixing knife face Ï with knife blade
section edge Ð. Turn the lower thread grasping
opener
so that the lower side (slant) releases
the pin
and lower thread clamp Ì returns to
the closed position. Then tighten the screws
.
E - STANDARD MACHINE ADJUSTMENT
24
25
19
D
C
A
C
21
B
19
20
20
8
22
22
23
24
b) lower thread clamp fixing plate adjustment - LTT