Brother PS-53, Service Manual

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16. PATTERN DISPLAY SELECTION POSITIONING
STANDARD
When the selection dial is selected, the appropriate pattern display should appear in the center of the pattern
display window.
ADJUSTMENT
1. Turn the selection dial to BH sewing (STAR240E, STAR230E, PS57, PS55), zigzag sewing (PS53).
2. Loosen the two screws securing the indication gear.
3. Align the center of the square groove on the indication gear and the center of the unit base F hole.
4. Tighten the two screws securing the indication gear.
5. Install the front cover and check that when the selection dial is turned, the appropriate pattern display comes
to the center of the display window on the front cover.
Adjustment Point
* This adjustment is not normally required. After installing the front cover, if the displayed pattern and the
sewn pattern match but the front cover pattern display is not at the center of the window (is tilted), adjust.
1. When adjusting the indication gear, be careful that the selection cam does not deviate in the axial
direction. Also, after adjusting the indication gear, check the axial position of the selection cam (Z)
(position relative to the contact pattern cam). If the selection cam is out of place, adjusted with adjustment
procedure 17.
Display window
Indication gear
(STAR240E)
(STAR230E)
(PS57)
(PS55)
(PS53)
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