Service manual

S-4000 TKF, LS Omron
1-31
Released 12/2009
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Phone: [phone] (Service), [phone] (Spare Parts); Fax: [phone]
E - MACHINE ADJUSTMENTS
2. Bite width adjustment
To adjust the bite width, first remove the head cover for access to
adjustments.
The S-4000 is fitted with a regular bite throat plate , that allows a bite
range of 1.5 mm (1/16“) to 2.3 mm (3/31“).
a) loosen the adjusting screw
b) to increase the bite width, raise the bite lever
c) to decrease the bite width, lower the bite lever
d) tighten the adjusting screw
3. Centering the bite over the throat plate
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) For finite adjustment loosen the screw and rotate the eccentric nut . Tighten the
locking screw .
correct
incorrect