JUKI AMB-289, Engineer'S Manual

Page: 73 / 177

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(1) Replacing the cylinder
1. Remove the air tube of cylinder
.
2. Remove screw and hinge screw , and remove cylinder .
3. Remove the cylinder shaft from joint .
4. Connect the rod of cylinder to be replaced with joint . At this
time, dimension A is 8 mm in the state that the rod is moved back.
5. Install cylinder with screw and hinge screw .
6. Make sure that pin does not come in contact with the groove of
presser lever when cylinder is moved up and down with the
air.
(2) Adjusting the position of the cloth presser for sewing and wrap-
ping flat button with blindstitch
* Positioning and fixing both in the height direction and the lateral
direction are simultaneously performed with screw .
(3) Adjusting the height of the cloth presser for sewing and wrap-
ping flat button with blindstitch
1. Adjust so that cloth presser for sewing and wrapping flat button with
blindstitch enters the underside of tongue when tongue is
released, cloth presser for sewing and wrapping flat button with
blindstitch
is lowered, and tongue is moved to the set position
again.
2. Adjust so that dimension B between the top surface of tongue
and cloth presser for sewing and wrapping flat button with blindstitch
is 10 to 13 mm when in the state of step 1., tongue is re-
leased, cloth presser for sewing and wrapping flat button with
blindstitch
is moved to the upside of tongue , and tongue is
moved to the set position.
(4) Adjusting the lateral direction of the cloth presser for sewing
and wrapping flat button with blindstitch
Adjust so that the center of the groove of tongue aligns with the
center of cloth presser for sewing and wrapping flat button with
blindstitch
when cloth presser for sewing and wrapping flat but-
ton with blindstitch is lowered on tongue in the state of step 2.
of (3).
Procedures of disassembling / assembling Caution in disassembling / assembling