Adjusting The Looper Base Home Position - Brother RH-9820 Service Manual

7. ADJUSTMENTS

7-33. Adjusting the looper base home position

NOTE:
Before carrying out this adjustment, check that the adjustments in "6-9. Needle bar rocking mechanism: Belt tension adjustment
for driving looper belt" have been carried out correctly.
1. Remove the left and right work clamp plates (Z).
185
0763B
(A)
0972B
0819B
RH-9820
2. While holding down the
POWER switch at the ON side (2).
3. Press the start switch (3).
The motors will carry out home position detection, and then
the sewing machine will switch to home position adjustment
mode.
* At this time, "X" will appear in the display (A).
4. Press the or key (4) to change the display (A) to "θ".
* When "θ" is displayed, the X and Y feed motors will be
turned off, so that the feed base can be moved by hand.
0749B
and keys (1), push the