Brother BC800, Service Manual

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Needle-presser unit Main unit
Assembly
5
Presser foot lifter attachment
1. Apply a bead of EPNOC AP (N) 0 to the presser foot lifter shaft
1
of the
base holder assembly.
2. Attach the presser foot lifter
2
to the shaft
1
.
3. Attach the retaining ring (E4).
4. Apply a bead of EPNOC AP (N) 0 to the cam face
3
of the pressure foot
lifter
2
.
Apply EPNOC AP (N) 0 to the presser foot lifter
attachment shaft of the base holder assembly. Bead
XC8387***
Apply EPNOC AP (N) 0 to the cam face of the pressure
foot lifter. Bead
XC8387***
1
2
Retaining ring E4
3
6
Shaft bushing attachment
1. Attach the shaft bushing
2
to the base holder assembly
1
with the 2
screws
1
.
*Key point
• Tighten the 2 screws 1 in the following order: temporarily
tighten the left screw, tighten the right screw, and then tighten
the left screw.
1
Torque
0.78 – 1.18 N
·
m
1
1
Screw, Bind
M 3X6
Color; Silver