4 - 7
Adjustment
Adjustment
Needle drop position adjustment for needle bar unit and rotary hook unit
1. Attach the front cover temporarily.
2. Hold down the backstitching button and the selecting button (right), and turn the power on (the buzzer must sound
four times).
3. Select pattern number [02].
4. Press the [REV] key four times to select the left base line.
5. Turn the pulley manually so that the top of the needle passes through the needle hole.
6. Loosen GIZA TITE 5X16 (2 locations).
7. Move the rotary hook unit right and left to adjust the position so that the needle top is aligned with the V-groove
in the needle hole.
8. Tighten GIZA TITE 5X16 (2 locations).
GIZA TITE 5x16
GIZA TITE 5x16
Summary of Contents for BC800
Page 2: ......
Page 9: ...vi ...
Page 17: ...1 8 ...
Page 19: ...2 2 Main parts location diagram Main unit ...
Page 36: ...2 19 Disassembly Feed unit location diagram Main unit ...
Page 44: ...2 27 Disassembly Needle presser unit location diagram Main unit ...
Page 53: ...3 2 Main parts location diagram Main unit ...
Page 73: ...3 22 Feed unit location diagram Main unit ...
Page 85: ...3 34 Needle presser unit location diagram Main unit ...
Page 97: ...3 46 ...
Page 119: ...4 22 ...
Page 123: ...5 4 Adjustment Operation PCB supply assy S36 and S37 models S33 and S34 models ...
Page 125: ...5 6 Adjustment Lead wire assy Power LE Lead wires should pass inside the rib ...
Page 126: ...5 7 Adjustment Special Instructions of Wiring BH switch assy ...
Page 131: ...5 12 ...
Page 134: ...LOW END COMPUTER SERIES 22M04HF885S33 34 36 37 LOW ENDCOMPUTERSERIES ...