Singer 20U - Assembling the Thread Unwinder

ASSEMBLING THE THREAD UNWINDER
Hold the thread unwinder mounting bracket against the
arm side cover and check that the collapsible thread guide
holder is in its collapsed position. Then fasten the mounting
bracket securely to the arm side cover with the two screws
furnished with the thread unwinder as shown in the illustra-
tion at right.
Before you begin to sew, or wind a bobbin, set the collap-
sible thread guide holder in its upright position as shown at
right.