Brother B-500, Руководство по обслуживанию

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3 - 11
Feed mechanism Main unit
Assembly
1
Attachment of Feed module
1. Hang the timing pulley D
1
on the T belt
2
.
2. Set in the lower shaft bushing
3
to the attaching part
4
of the arm bed.
3. Attach the feed module
5
to the arm bed with the 2 screws
1
and
2
.
*Key point
• Check that there is the gullet
7
of the upper shaft pulley and
the reference point 8 of the outer rotary hook assy. in the
front side, when the needle bar
6
and the feed dog
9
are the
highest point.
1
Torque
1.18 – 1.57 N·m
2
Torque
0.78 – 1.18 N·m
3
2
4 1
5
1
2
7
8
6
9
Stud screw
M4
Screw, Bind
M 3X12