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S-4001 ISBH+I SM 30°
Released: 09/2017
E-mail: [email protected]; webside: amfreece.com
Phone: +420 582 309 146; Fax: +420 582 360 606
E - STANDARD MACHINE ADJUSTMENT
5.2. Bite width adjustment
To adjust the bite width, first remove the head cover. The S-4001 is fitted
with a regular bite throat plate
11
, that allows a bite range of 1.5 mm (1/16“)
to 2.3 mm (3-32“).
a) loosen the adjusting screw
12
b) to increase the bite width, raise the bite lever
13
c) to decrease the bite width, lower the bite lever
13
d) tighten the adjusting screw
12
5.3. Centering the bite over the throat plate
a) with the machine in the home position - loosen the clamping screw
14
on the bite lever
15
b) for rough adjustment, using the hand wheel, rotate the needle bar to
its full down position and move the needle
10
to the right side of the
throat plate slot
11
. Turn the hand wheel to the second needle down
stroke and compare the needle position on the left side of the throat
plate. Continue adjustment until the needle is roughly of equal
distance from the right and left sides.
c) tighten the clamping screw
14
d)
for finite adjustment loosen the screw
16
and rotate the excentric
nut
17
. Tighten the locking screw
16
.
Correct
Incorrect