Brother BC800, Service Manual

Page: 54 / 134

3 - 3
Main parts Main unit
Assembly
1
Base plate rubber attachment
1. Attach the base plate rubber
1
to the arm bed cover.
•
Attach rubber cushion A
2
and the plain washer (M3.5)
3
to the
arm bed cover with the screw
1
.
1
Torque
0.59 – 0.78 N
·
m
1
3 2
1
Taptite, Pan B
M3X12
Color; Silver
2
Thread guide assembly attachment
1. Attach the thread guide assembly
1
to the arm bed cover.
2. Temporarily tighten the screw
1
.
*Key point
• Tighten the screw after performing "4 - 16 Bobbin winder
(uneven bobbin winding and bobbin winding amounts)
adjustment"
1
Torque
0.88 – 1.18 N
·
m
1
1
Giza Tite
4X12
Color; Gold
3
Bobbin presser attachment
1. Attach the bobbin presser
1
with the screw
1
.
*Key point
• Place the bobbin presser with the smaller end facing the rear.
• Tighten the screw after performing "4 - 16 Bobbin winder
(uneven bobbin winding and bobbin winding amounts)
adjustment"
1
Torque
0.39 – 0.78 N
·
m
1 1
Taptite, Pan B (S/P washer)
M3X12
Color; Silver