Singer 250 Series Service Manual page 17

■ Needle Bar
Removal:
1) Remove
D
and
llllfll.
2) Loosen needle thumb screw A.
3) Remove needle .
4) Remove needle stop screw 8 togelher with thread guide C.
5) Remove needle clamp body D downward.
6) Remove needle bar gib.
7) Loosen screw E.
8) Remove needle bar F upward out ol machine.
Adjustments of needle bar height:
Check:
1) Turn hand wheel until needle bar F is at its lowest point.
2) At this point. upper timing ma rk G should be aligned with lower end of needle bar ball bushing .
Setting:
1) Loosen screw E. raise or lower needle bar F as required .
2) Align needle clamp body D parallel to front ·edge of throat plate.
3) Tighten screw
E.
Not~: Setting of needle bar in relation to throat plate is done in
D .
m
and
m .
FORM 723 (1172)
17