S-4000 BH Omron
1-33
Released 05/2010
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E - MACHINE ADJUSTMENTS
correct
incorrect
3.1
C e n t e r in g t h e b it e o v e r t h e t h r o a t p l a t e
a)
with the machine in the home position - loosen the
clamping screw
on the bite lever
b)
for rough adjustment, using the handwheel, rotate the
needle bar to its full down position and move the
needle to the right side of the throat plate slot
. Turn
the hand wheel to the second needle
➓
down stroke
and compare the needle position in the left side of the
throat plate. Continue adjusting until the needle is
roughly of equal distance from the right and left sides.
c)
tighten the clamping screw
d)
check with rotating the handwheel, if needle
➓
has the
same clearance on both sides of the throat plate slot.
Note:
This adjustment is just tentative. For fine
adjustment loose the screw
of the eccentric nut
plate the needle the way the clearance is on both sides
of the throat plate nut. Tighten the screw of the
eccentric nut
.
3.2
Bite in the throat plate and in the knife cut adjustment
a)
take out the loopers from the machine
b)
sew the buttonhole sample on the paper. If you find
out, that after sewing and cutting the buttonhole is
cut the first or second row of stitches, do as follows:
see section E15
4. The knife cutting adjustment
c)
if you used the whole range of the parameters
adjustment and the cut is not in the center - continue
according to the point - 3.1
Centering the bite over the
throat plate,
until the cut is in the center of the buttonhole.
d)
put and adjust the loopers in the machine
Содержание S-4000 BH Omron
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