Application of
Assembly
3 - 166
Needle-presser module
Application o
f
Assembly
Application of
Assembly
15
Attachment of Lock nut, Presser dial gear and Presser dial
1. Tighten the lock nut until it comes to the middle of the screw (set screw, socket (CP) M4x12). Tighten
the screw (set screw, socket (CP) M4x12) to the upper unit holder assy until the lock nut comes in
contact with the upper unit holder assy.
2. Align and set the match mark (blue) of presser dial gear to the match mark (blue) of presser foot rack.
Align the D cut surface of presser dial shaft assy with the D shape hole of presser dial gear, set the
presser dial shaft assy to the upper unit holder assy and the presser dial shaft assy, and lock it with the
two hooks.
3. Align the groove on the back of presser dial with the pin of presser dial shaft assy, set the presser dial
to the presser dial shaft assy, and attach the retaining ring E4.
Set Screw, Socket (CP) M4X12
Presser foot rack
Set screw, socket (CP) M4x12
Lock nut
Retaining ring E4
Presser dial
Presser dial shaft assy
Match
marks (blue)
Presser dial gear
Hooks
Upper unit
holder assy
Presser dial gear
Pin
Summary of Contents for BLDY
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