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1. Removal of Bobbin Case
a. Raise feed roller.
b. Rotate handwheel toward you until needle reaches its highest point.
c. Tilt machine to rest on handwheel end. If you have binding wheels installed, use a small block
box to support machine on handwheel.
d. Remove lower feed roller plate.
e. Lift and grasp bobbin case latch (as illustrated).
f. Remove case by pulling towards you.
2. Threading of Bobbin Case
a. With bobbin and bobbin case being held as illustrated, and with approximately 5 to 6 inches of
thread for feeding, insert bobbin into case (See Figure 2).
b. Pull thread through slot in the bobbin case. (See Figure 3).
c. Continue by pulling thread under tension spring and up through slot in spring. (See Figure 4).
Refer to Step 7c to check for proper thread feed tension. (See Page 11, paragraph 3).
3. Installation of Bobbin Case
a. Lift and grasp bobbin case latch and with the case horn aligned with the notch in the shuttle race
cover, slide the bobbin case fully onto the center post (See Figure 1). During this operation, it is helpful
to also hold the thread with the bobbin case to prevent the bobbin from dropping out of the case.
b. Trim the bobbin thread to approximately 2 inches.
Page 9
THREADING INSTRUCTIONS
Figure 1
Figure 2
Figure 3
Figure 4
CAUTION
:
Assure the bobbin case latch is fully closed after installation.