Feed Mechanism (1) - Brother KE-430B Service Manual

４-６. Feed mechanism (1)
KE-430B, 431B, 432B, 433B, BE-438B
KE-430C, 431C, 432C, BE-438C
Feed cams X and Y both have index marks. Check these when using.
Assembly steps of the feed mechanism are the same for X and Y directions.
Tighten the set screw in the
illustration at the screw stop
position.
Set screw at screw stop
Check that the feed cam
turns smoothly.
3361Q
Place the coupling hub
onto the pulse motor shaft,
and then tighten the set
screw at the screw stop
position so that the pulse
motor shaft protrudes from
the edge by 2.5 mm.
3359Q
KE-430B, 430C series
Place coupling hub 8 onto
the cam shaft so that there
is no play in the hub, and
then tighten the set screw
at the screw stop position
as shown in the illustration.
1. Feed cam
2. Ball bearings [2 pcs]
3. Cam shaft (with retaining ring)
3362Q
4. Coupling hub, 8
5. Set screws [2 pcs]
6. Set screws [2 pcs]
7. Feed home position dog
8. Screw [Provisionally tighten at
middle of slot]
9. Coupling hub, 6.35
Coupling hub, 8［KE-433B］
10. Set screws [2 pcs]
4. ASSEMBLY
3358Q
Screw stop
3360Q
70