AMF S-311 - 15. UPPER THREAD PICK-UP HEIGHT ADJUSTMENT

S-311
1-56
Released:01/2014
E-mail: service@amfreece.cz; webside: amfreece.com
Phone: +420 582 309 146; Fax: +420 582 360 606
E - STANDARD MACHINE ADJUSTMENT
15. ADJUSTMENT OF THE UPPER THREAD PICK-UP HEIGHT
Is used on the LTT machine as standard. Possible to order for any S-311 machine version.
15.1. The machine needs to be in home position.
15.2 Adjust the clereance 0,5 mm between the nut
1
and the holder
2
.
15.3. Loose the screws
3
to adjust the clereance between of the retainer
4
and the holder
5
for the distance 0,5
mm.
15.4 When the clamps of the nipper
6
7
are in the bottom position, adjust them with the nuts
8
for distance 1 mm
from the cover of the clamp plate
9
.
(When sewing the thicker materials, it is possible to increase this distance).
15.5 Loose the screws
10
to adjust the clereance between clamps of the nipper
6
7
and the screw
11
for the
distance 3 mm.
15.6 Adjust the clereance between the clamps of the nipper
6
7
for distance 0,05 mm. Loose the screws
12
, insert
the gauge between the jaws of the nipper. Move the pneumatic cylinder
13
so they hold the gauge smoothly and
tighten the screws
12
.
15.7 The machine needs to be in home position. Loose the screws
14
and adjust the clamps so the distance 0,05 mm
will be in the center of the needle
15
oratthatposition,whichwouldbeidealforsewingthethreadfromtherstpart
of the buttonhole, so the thread tail is not protruding.
After the adjustment tighten screws
14
.
Approx 3 mm
Approx 1 mm
Approx 0,5 mm
Nipper clamps clearance 0,05 mm








15
15
14
13
12
13
11

Approx 0,5 mm
According the thickness of sewn material