Singer 1408 Manual De Instrucciones página 24

Raising the Bobbin Thread
EN
Hold the upper thread with the left hand. Turn the handwheel
(1) towards you (counterclockwise) lowering, then raising
needle.
Note:
If it is difficult to raise the bobbin thread, check to make sure
the thread is not trapped by the hinged cover or the
Removable Extension Table.
Gently pull on the upper thread to bring the bobbin thread up
through the needle plate hole. (2)
Lay both threads to the back under the presser foot. (3)
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