SINGER W9951 - Manual (Page 7)

THREADING THE BOBBIN CASE
bobbin^casi betwe^eif th/^b
finger of left hanrl ^ fnnmb and fore-
tbe edge of the bohK°
Take the bobbin K«/“ ^P-
forefinger of riSht^ and
thread on top ;ii the
Step
2
. Insert bobbin into bnhK°
pull the thread in+r, +u ^ i oobbin case,
bin case aa™ „ ‘ha b„b;
it Under the tension • and draw
fork-shaped opening^^oTSir"^
shown in Fig. 8. ^ ^ “ spring as
Fig- 5
Fig. 6
tension spring -
Fig. 7
Fig. 8