Happy HCS2-1201-30, Maintenance Manual

Page: 40 / 196

41
3-2-12 Adjustment of height of pressure foot guide bar
1. Tighten pressure foot of position for tublar, and then
install needle plate for tublar frame.
2. Loosen the screw which fixes guide bar block.
3. Rotate the upper shaft to be lowest point [ 0 degrees ].
4. Push down block ass’y.
5. Adjust the center between needle hole of needle plate and
hole of pressure foot.
6. Insert thickness gauge [ 1.2mm ] between needle plate and
pressure foot then tighten the screw which fixes guide bar
block.
7. Before terminates the adjustment, reconfirm procedure 5,
Needle hole of needle plate and hole of pressure foot to
be centered.