Feed Mechanism - Brother KE-430F Service Manual

10. ASSEMBLY

10-7. Feed mechanism

Apply grease to the portions indicated by the arrows.
Grease
Apply grease to the grease hole on the inside.
Make sure that the harness faces correctly.
1. Feed gear
2. X-motor setting plate [Pulse motor X assembly]
3. Set screws [2 pcs: Tighten]
4. Bolt sockets (S/P washers) [3 pcs]
5. X-feed lever
6. X-feed gear
7. Bolt
86
2866B
Engage the feed gear 1 and the X-feed gear 6 so that the
index marks are as close together as possible, and then
tighten the bolt 7 so that the gears move smoothly in the
axial direction with no play.
KE-430F, BE-438F
Set so that the clearance between
the feed gear 1 and the pulse motor
X assembly 2 is 0.5 mm, and then
align the two set screws 3 with the
screw stops as shown in the
illustration and tighten them.
Screw stop
2846B
Adjust the X-motor setting plate 2 so that the
backlash amount (play) of the feed gear 1 is 0 to
0.05 mm, and then tighten the bolts with washer 4.
Index marks
2847B
2848B
2849B
(Continued on next page.)