Service manual

S-311
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Phones: [phone] (Service); [phone] (Spare Parts); Fax: [phone]
Revised 03/2006
1-48
E - STANDARD MACHINE ADJUSTMENT
15.1.The machine needs to be in home position.
15.2 Adjust the clereance 0,5 mm between the nut Ê and the holder Ë .
15.3. Loose the screws Ì to adjust the clereance between of the retainer Í and the holder Î for
the distance 0,5 mm.
15.4 When the clamps of the nipper Ï Ð are in the bottom position, adjust them with the nuts Ñ
for distance 1 mm from the cover of the clamp plate Ò. (When sewing the thicker materials, it
is possible to increase this distance)
15.5 Loose the screws Ó to adjust the clereance between clamps of the nipper Ï Ð and the screw
for the distance 3 mm.
15.6 Adjust the clereance between the clamps of the nipper Ï Ð for distance 0,05 mm. Loose the
screws , insert the gauge between the jaws of the nipper. Move the pneumatic cylinder so
they hold the gauge smoothly and tighten the screws .
15.7 The machine needs to be in home position. Loose the screws and adjust the clamps so the
distance 0,05 mm will be in the center of the needle or at that position, which would be ideal
for sewing the thread from the first part of the buttonhole, so the thread tail is not protruding.
After the adjustment tighten screws .
A
p
p
r
o
x
3
m
m
A
p
p
r
o
x
1
m
m
Approx 0,5 mm
Nipper clamps clearance 0,05 mm








15
15
14
13
12
13
11

Approx 0,5 mm
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.