Assembly Position - Brother HE-800A Service Manual

4. ADJUSTMENT
Note: Check the work clamp home position sensor position before adjusting the upper thread trimming.
(Refer to "4-4. Adjusting the work clamp home position sensor position".)
4-14-1. Adjusting the longitudinal feed arm assembly position
4-14-2. Adjusting the trimmer driving arm assembly position
4321Q
1. Turn on the power and set the sewing machine to the home position. Then press the RESET key to lower the
work clamp.
2. Check that the overlap between the stopper (2) fixed to the trimmer driving arm assembly (1) with the bolt and
the stop plate (4) of the upper thread trimmer lever set (3) is 1 mm.
3. If adjustment is necessary, loosen the bolt (5) and move the trimmer driving arm assembly (1) back and forward
to adjust.
90
Aligned
4320Q
HE-800A
1. Turn on the power and set the sewing machine to
the home position. Then press the RESET key to
lower the work clamp.
2. Check that the slot at the bottom of the upper
thread trimmer lever set (1) is aligned with the
edge of the washer (2).
3. If they are not aligned, loosen the bolt (3) and
move the longitudinal feed arm assembly (4)
back and forth to adjust.
4322Q