Brother B-500, Service Manual

Page: 133 / 211

3 - 62
Feed and bobbin module Modules
Assembly
13
Attachment of Feed bar
1. Insert the polyester slider
2
, the feed bar
3
and the polyester
4
into the
feed arm A assy.
1
, and then attach the retaining ring CS4.
*Key point
• Check that the vertical adjusting screw
5
engaged with the
groove of the vertical lever 6 .
• Check that there should no gap between the retaining ring
CS4 and the feed bar 3 .
Apply EPNOC AP (N) 0 to the feed shaft hole in
the feed bar. Bead
XC8387***
Apply EPNOC AP (N) 0 to the feed arm A assy.
Bead
XC8387***
Apply EPNOC AP (N) 0 to the groove of the
vertical lever. Small amount
XC8387***
3
1
Retaining ring CS4
2 4
6
5
14
Attachment of Spring
1. Attach the spring to the feed bar
1
and the base plate assy.
2
.
S13
S13
2
1
S13
SPRING
XE1940***
21.1
3.8
15
Attachment of F pulse motor
1. Attach the F pulse motor
1
to the FPM holder sub assy.
2
with the 2
screws
1
.
2. Attach the lead wire assy, FPM-LE
3
to the F pulse motor
1
.
Lubricate the FPM bearing with FBK OIL RO 100.
1-2 drops
XC8388***
1
Torque
0.78 – 1.18 N·m
1
3
2
1
Screw, Bind
M 3X4