Service manual

S-4000 ISBH+I Omron
Revised 12/2008
e-mail: [e-mail]; [e-mail]; website: www.amfreece.com
Phone: [phone] (Service), [phone] (Spare Parts); Fax: [phone]
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10. SPACE BETWEEN THE FIRST AND SECOND ROW OF STITCHES
1. Tilt the sewing head on the rest pin.
2. Loosen the nut ➊ and move the stud ➋ to the required position (to the right - space ➌
decreases, to the left - space increases). The space can be adjusted in range 0 - 0.9 mm.
3. Sew buttonhole on scrap fabric to check setting.
E - MACHINE ADJUSTMENTS
3. The clearance adjustment on the cam during the first bar sewing
a) Turn the handwheel until the control engages
into the detent of the left shifter arm
b) Continue turning the handwheel. The main cam
assembly starts turning and moving the
rod .
c) Check the minimal clearance by hand on the
rod when the control spring is not engaged
with shifter arm.
d) Check the rod tension when the control spring
leaves the detento of the right shifter. The
clearance must approximately be the same.
If incorrect:
e) Slightly loosen M4 screw and turn the
eccentric (clockwise - clearance decreases,
anti-clockwise - clearance increases).
f) Tighten M4 screw after adjustment and check the clearance in both positions.
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