Singer 20U109 Instruction Manual And Parts List page 18

3.11
Bobbin Case
Threading and
Replacement
Caution
Switch off the
machine.
Do not run
machine with-
out closing bed
side. Danger of
injury!
Hold bobbin case by latch '1' and
place it on spindle of bobbin case
holder '2' so that position finger '3'
enters notch '4' at right of bobbin
case holder (see Figure 18).
Release latch and press bobbin case
firmly in place to assure proper
position. Close bed slide.
3
1
Figure 18
Zigzag Sewing Machine
4
2
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