Brother BC800, Руководство по обслуживанию

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Main parts Main unit
Disassembly
21
Upper shaft assembly removal
1. Remove the screw
1
.
2. Remove the 4 screws
2
, and then remove the 2 upper shaft bearing
pressers
1
.
3. Remove the upper shaft assembly
3
from the needle bar crank
2
, and
then remove timing belt 420-5GT-6
4
and timing belt 372-2GT-6
5
.
2 3 4 5
1 1 2 1
22
Needle-presser unit removal
1. Peel the label, and then remove the screw
1
.
2. Remove the 2 screws
2
, and then remove the needle-presser unit
1
.
1
2
1
23
Plate spring removal
1. Remove the adjusting screw
1
.
2. Remove the 2 screws
1
, and then remove the adjusting plate
2
and the
plate spring
3
.
1
2 1 3
1
2
3