Base Plate Rubber Attachment; Thread Guide Assembly Attachment; Bobbin Presser Attachment - Brother BC800 Service Manual

Main unit
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
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
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
Main parts
Taptite, Pan B
M3X12
0.59 – 0.78 N
Color; Silver
Giza Tite
4X12
0.88 – 1.18 N
Color; Gold
Taptite, Pan B (S/P washer)
M3X12
0.39 – 0.78 N
Color; Silver
1
Torque
·
m
Torque
·
m
1
Torque
·
m
1
3 2
1
1
1
3 - 3