43
19X Service Manual
Place the
new tension spring
on the side of the bobbin case with the
tabs
going in the slots
near the hinge for the lever.
2
Insert the
large bobbin case screw
into the second hole and tighten loosely in place.
See “Loading the Bobbin Case” in the user manual for instructions on adjusting the spring
tension.
4
Use the small flat-head screwdriver to attach the spring to the bobbin case with the
small
bobbin case screw
in the screw hole at the end of the spring.
3
Tabs
Small Bobbin
Case Screw
Large Bobbin
Case Screw
Replacing the Bobbin Case Springs (continued)
New Tension
Spring