Feed Mechanism (2) - Brother KE-430B Service Manual

４-７. Feed mechanism (2)
KE-430B, 431B, 432B, 433B, BE-438B
KE-430C, 431C, 432C, BE-438C
Feed home
position dog
Oil supply
hole
Note:
Make sure the wick does not
3372Q
touch the connecting rod lever.
1) Insert the tack width feed lever shaft with the
thrust washer and retaining ring installed into
the Y-feed lever assembly, press down on
the top of it so that there is no play, and then
tighten the set screw at the screw stop
position.
* Check that the Y-feed lever assembly
moves smoothly.
3375Q
3376Q
Push the home position
sensor Y cable into the
recess.
2) Put the driver into the
end of the Y-feed lever,
and press the X-feed
lever assy downward.
3) Place the set screw
collar on the shaft of
the X-feed lever, press
it in the direction of the
arrow, and tighten the
set screws.
KE-430B, 430C series
Install home posi-
tion sensors X and
Y so that there is a
gap of 0.5–0.9 mm
between the sen-
sors and the feed
home position dog.
3374Q
1. X-feed lever assy [Insert onto bushing]
2. Feed cam roller
[Place into groove of feed cam X]
3. Thrust washer
4. Y-feed lever assy
5. Feed cam roller
[Place into groove of feed cam Y]
6. Thrust washer
7. Tack width feed lever shaft (with retaining
ring)
8. Set screw
9. Set screw collar
10. Set screws [2 pcs]
11. Home sensor setting plate
12. Screw
13. Home sensor setting plate
14. Screw
15. Cord holder
16. Screw
17. Cord holder
18. Screw
19. Wick [Insert into oil supply hole]
20. Wick [Insert into oil supply hole]
4. ASSEMBLY
3373Q
Feed home
position dog
74