Toyota Super SP200 Series Instruction Manual page 17

Pass the thread through
the rear, as shown below.
Pull out about 15 cm (6 inch)
of thread to the rear of the
machine.
Fit the projections on the bobbin case cover into the race
retainer grooves, and then push the bobbin case cover closed.
Bobbin case
cover
, then , and then pull the thread to
15 cm
(6 inch)
Bobbin case
cover
Groove
Projection
EN
3
17