Needle-Presser Unit; Presser Switch Assembly Attachment; Z Pulse Motor Attachment - Brother BC800 Service Manual

Main unit
1

Presser switch assembly attachment

1. Attach the presser switch assembly 1 to the base holder assembly with the
screw 1.
NOTE
• Engage the ridge of the presser switch 1 with the trench of
the base holder assembly 2.
1
2

Z pulse motor attachment

1. Attach the Z pulse motor 1 to the base holder assembly with the 2 screws
1.
2. Apply 1 or 2 drops of FBK OIL RO 100 to the shaft bushing 2 of the Z
pulse motor 1.
Apply FBK OIL RO 100 to the shaft bushing of the Z
pulse motor.
1

Needle-presser unit

Screw, Bind
M3X6
0.78 – 1.18 N
Color; Silver
Screw, Bind
M3X6
0.78 – 1.18 N
Color; Silver
Torque
·
m
1
1 - 2 drops
XC8388***
Torque
·
m
1
2
1
1
2
3 - 35