Singer 250 Series Service Manual page 34

11
_e_o_bb_1_n_w_1n_d_e_r _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Removal:
34
1) Remove
D .
on which the bobbin winder
is preassembled.
2) Remove screw
A
and spring washer
8 .
3) Remove assembly C.
Caution on reassembly:
When reassembling , make certain that spring washer B is located with the concave lace downward .
Adjustment of wlhdlng limit stop:
Check:
1) Assemble
D .
2) Fill a bobbin unti l it is disconnected automatically.
3) The bobbin should be relatively lull, without overfilling.
Setting:
1) Loosen screw D.
2) Move bobb in w ind ing stop latch
E
as required.
3) Tighten screw D.
Adjustment of even wind:
Check:
1)
Assemble D .
2) Fill a bobbin and watch the distribution ol thread for evenness.
Setting :
1) II there is more thread on top hall ol bobbin then lower the bobbin wind ing thread tension F
by turning screw G clockwise.
2) II there Is more thread on the lower hall ol the bobb in, then ra ise bobbin winding tension F
by turn ing screw G counterclockwise .
FORM 723 (1172)