Service manual

S-4000 BH Omron
1-45
Released 05/2010
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2. The correct position of the tension mechanism
a) remove the tension assembly ➌ from the shaft ➍
b) check if the distance between the stud slot edge and the pin ➎ is 3.5 mm If incorrect, it is
necessary to adjust the
position on the pin.
c) remove the pulley cover
and the head cover to
obtain a good access for
this adjustment. Switch
off the air supply.
d) disconnect the air tube ➏
from the cylinder.
e) loosen the nut ➐ and
turn the cylinder ➑ as
necessary.
Turning clockwise
the pin is extended.
Tighten the nut ➐ when
the correct measurement is obtained.
f) connect the air tube ➏ to the cylinder, open the air supply and install the covers.
3. Regulation of the tension discs opening
If the last stitch is not tightened, follow the below mentioned steps:
a) loosen the locking nut ➒ on the speed controller ➓
b) To obtain better tightening of the last stitch, tighten screw and lock the nut ➒ securely.
E - MACHINE ADJUSTMENTS