Application of
Assembly
3 - 152
Needle-presser module
Application o
f
Assembly
Application of
Assembly
2
Attachment of Presser bar clamp assy, Presser bar and Thread take-up lever link
1. Set the presser foot rack to the upper unit holder assy.
2. Set the presser bar clamp assy to the back of upper unit holder, and fit the shaft of presser bar clamp
assy into the groove on upper unit holder. Attach the retaining ring E5 to the presser bar, and insert the
presser bar into the presser foot rack, spring (XC7810), presser bar clamp assy and upper unit holder
assy. Tighten the screw (set screw, socket (CP) M5x10) temporarily to the presser bar clamp assy.
*Key point
• Fully tighten the screw after performing
"Adjustment of Presser bar height"
.
3. Insert the shaft into the upper unit holder assy, spring (XC2441), thread take-up lever link and upper
unit holder assy, then attach the retaining ring E4 to the shaft. Tighten the screw (set screw, socket
(CP) M3x5) to the shaft while pushing the shaft to the direction of the arrow.
Set Screw, Socket (CP) M3X5
Set Screw, Socket (CP) M5X10
SPRING (XC2441)
SPRING (XC7810)
Upper unit holder assy
Retaining ring E5
Shaft
Spring (XC2441)
Thread take-up lever link
Presser bar
Spring (XC7810)
Presser foot rack
Presser bar clamp assy
Set screw, socket
(CP) M5x10
Set screw, socket
(CP) M3x5
Shaft
Retaining ring E4
Presser bar clamp assy
Groove
Thread take-up lever link
Spring (XC2441)
Upper unit
holder assy
Summary of Contents for BLDY
Page 2: ......
