Base Needle Bar Attachment - Brother PR655 Service Manual

Main unit
11

Base needle bar attachment

1. Apply MOLYKOTE EM-30L to the shaft 1 and the hole 2 of the J-
clamp final assembly and the presser foot vertical base assembly.
2. Attach the base needle bar 3, J vertical set assembly 4, and presser foot
vertical base assembly 5.
*Key point
• Insert the shaft 1 of the J vertical set assembly to the crank
rod 6.
• Insert the shaft 1 of the presser foot vertical base assembly to
the presser foot connecting rod 7.
3. Tighten the screw 1.
*Key point
• Align the needle bar with the top face of the arm bed.
Apply MOLYKOTE EM-30L to the shaft and the hole of
the J vertical set assembly and the presser foot vertical
base assembly.
1
Upper shaft unit
Size of a grain of
Set Screw, Socket (CP)
1.18 — 1.57 N-m
M5X8
3 - 44
4
rice
5
Torque
2
1
3
1
6
7