Brother KE-430F Series, Service Manual, Page: 98 / 184

10. ASSEMBLY
KE-430F, BE-438F 88
(Continued on next page.)
19. Feed gear
20. Pulse motor Y assembly (Y-motor setting plate)
21. Set screws [2 pcs]
22. Bolt sockets (S/P washers)
[3 pcs: Temporarily tighten]
Align the set screw 21 with the screw
stop and tighten it so that the
clearance between the feed gear 1
and the pulse motor Y assembly 20 is
0.5 mm as shown in the illustration.
2847B 2846B
2853B
2854B
Screw stop
Approx. 95 mm
Make sure that the harness faces correctly.
Harness
connector
* For the BE-438F, be particularly careful that the
mechanism is in the correct position shown in
the illustration.
1) Provisionally tighten the three bolts with
washer 22 so that the distance shown in the
illustration is 95 mm with the screw stop of the
pulse motor Y assembly 20 is facing the same
way as the harness connector.
2) Move the pulse motor Y assembly 20 up or
down so that the Y-feed rack shaft 8 moves
with a force of 16 to 22 N, and then tighten the
three bolts with washer 22. Screw stop
After installing, carry out the steps in "Feed mechanism home position adjustment"
on the following page.