Brother B-500, Service Manual

Page: 127 / 211

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Feed and bobbin module Modules
Assembly
2
Attachment of Feed arm B assy.
1. Attach the polyester slider
2
and the feed arm B assy.
3
to the shaft of the
feed arm A assy.
1
, and then attach the retaining ring CSTW-3.5.
Lubricate the feed arm A assy. shaft with FBK OIL
RO 100. 1-2 drops
XC8388***
Lubricate the feed arm B assy. shaft with FBK OIL
RO 100. 1-2 drops
XC8388***
3
Retaining ring CSTW-3.5 1
2
3
Attachment of Feed arm A assy.
1. Insert the feed arm A assy. 1 from the back side of the base plate assy.,
and then attach the feed regulator slide shaft
3
of the feed arm B assy.
2
to the groove of the feed adjuster
4
.
2. Insert the horizontal feed shaft
5
into the feed arm A assy.
1
, the washer,
thrust
6
and the base plate assy. from the right side, and then align the
positioning hole on the feed arm supporter shaft, and then attach it with the
screw
1
.
3. Insert the washer, thrust
7
and the set collar
8
into the horizontal feed
shaft
5
, and then attach it with the screw
2
.
*Key point
• Attach the feed arm A assy.
1
, the washer, thrust
6
and the
washer, thrust 7 so that it can sandwich with the base plate
assy. and the set collar
8
.
• Check that it is not a wobble, and it moves smoothly.
Apply OILER to the 2 sections where the
horizontal feed shaft is inserted in feed arm A. Each 1-2 drops
XZ0206***
1
Torque
0.78 – 1.18 N·m
2
Torque
0.78 – 1.18 N·m
4
3 1 2
1
5 1 7 6
8
2
5
Screw, Bind
M 3X12
Set Screw, Socket (CP)
M4X4