Brother BC800 - Lock Nut Attachment; Thread Release Lever Attachment

3 - 36
Needle-presser unit
Main unit
3 Lock nut attachment
1. Attach the screw 1 to the lock nut 1.
*Key point
• Screw 1 the screw in half way.
2. Attach the screw 1 to the base holder assembly.
*Key point
• Tighten the screw until the lock nut 1 contacts the base
holder assembly.
1
1
1
1
Set Screw, Socket (CP)
M4X12
Color; Black
4 Thread release lever attachment
1. Apply a bead of EPNOC AP (N) 0 to the caulking shaft 2 of the base
holder assembly 1.
2. Attach the thread release lever 3 and the spring 4 to the caulking shaft 2
of the base holder assembly 1, and then attach the retaining ring (CS4).
*Key point
• Position the tip of the spring at the top, and align the spring
with the hole on the thread release lever 3.
• Secure 0.2 mm between the thread release lever 3 and the
base holder 5.
Apply EPNOC AP (N) 0 to the caulking shaft of the
base holder assembly.
Bead
XC8387***
1
24
3
1
4
3
Retaining ring CS4