3 - 46
Upper shaft, Needle bar and Presser foot unit
Application of Assembly
Application
Application
1-8 Attachment of Needle shaft holder assy
1. Set the needle shaft holder assy 1 to the bottom side of the base holder
assy, and then tighten the screw 1 temporarily.
*Key point
• Fully tighten the screw 1 after performing "4-13 Adjustment:
Three point needle drop".
1
11
Bolt, Socket
M3X6
1-9 Attachment of Stopper plate R
1. Insert the hole 1 of the stopper plate R 2 to the screw 1, and then tighten
the screw 2 temporarily.
*Key point
• Fully tighten the screw 2 after performing "4-9 Adjustment:
Needle bar supporter stopper R position".
1
2
2 1
21
1
Bolt, Socket
M3X6
1-10 Attachment of Needle bar supporter arm
1. Set the needle bar supporter arm 1 to the shaft of the needle shaft holder
assy 2 and the shaft of the needle bar supporter assy 3, and then attach
the retaining ring E2 4.
*Key point
• Flat surface of the needle bar supporter arm 1 is the bottom
side.
1
2 34