Service manual

S-4000 BH Omron
1-50
Released 05/2010
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E - MACHINE ADJUSTMENTS
17. MACHINE HEAD CLAMP FEET ADJUSTMENT
1. Adjustment for clamp height
Be sure that air supply is switch on and the clamp feet are open. If clamp feet are not open, push
the clamp Up / Down button.
a) loosen the nut ➊
b) turning the screw ➋ clockwise lowers the clamp feet mechanism ➌ to clamp mat ➍.
c) tighten the nut ➊
NOTE: Correct height is when the underside of the clamp feet are slightly lower than the point of the
needle i
n the home position.
2. Adjustment of the distance between the clamp feet
Be sure that the clamp feet are closed. If clamp feet are not closed, push the clamp Up / Down
button.
a) turn the handwheel to be sure that needle does not hit the clamp feet ➌. If it hits:
b) push the clamp up/down button to open the clamp feet
c) loosen the screw ➎ and get the clamp feet arm further from the needle and tighten the
screw ➎
d) to check this adjustmet, turn the handwheel when the clamp feet are closed. The needle
must not hit the clamp feet.
NOTE: Keep minimal distance between the needle bar and the clamp feet during this adjustment. Too
big distance of the clamp feet can cause the missing stitches when sewing on thin and elastic
fabrics.